All Stories

  1. Unveiling the reversible sodium-ion storage mechanism in rutile TiO2 nanorods

    Article • Electrochimica Acta, June 2025, Elsevier

    Michael Knapp

  2. LISA: A Lithium-Ion Solid-State Assistant using large language models for knowledge defragmentation in battery science and beyond

    Article • Materials Today Communications, April 2025, Elsevier

    Michael Knapp

  3. Tuning Li occupancy and local structures for advanced Co-free Ni-rich positive electrodes

    Article • Nature Communications, March 2025, Springer Science + Business Media

    Michael Knapp, Alexander Missyul

  4. Insights into the Redox Chemistry and Structural Evolution of a P2-Type Cathode Material in Sodium-Ion Batteries

    Article • Chemistry of Materials, February 2025, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  5. Tailoring superstructure units for improved oxygen redox activity in Li-rich layered oxide battery’s positive electrodes

    Article • Nature Communications, November 2024, Springer Science + Business Media

    Michael Knapp

  6. Na+ Preintercalated Bilayered V2O5 Cathode Materials for Na-Ion Batteries

    Article • Chemistry of Materials, October 2024, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  7. Cobalt-free spinel–layered structurally integrated Li0.8Mn0.64Ni0.183Fe0.091O2 cathodes for lithium-ion batteries

    Article • Journal of Energy Storage, October 2024, Elsevier

    Michael Knapp

  8. Towards Sustainable Direct Recycling: Unraveling Structural Degradation Induced by Thermal Pretreatment of Lithium‐Ion Battery Electrodes

    Article • ChemSusChem, September 2024, Wiley

    Michael Knapp

  9. Engineering of [(2D MoS2/CNTs)1(Ti3C2Tx/CNTs)2]x3 Heterostructures via Layer-by-Layer Spray Deposition: towards tailored high-performing energy storage devices

    Article • August 2024, American Chemical Society (ACS)

    Michael Knapp

  10. On the atomic structure of monolayer V4C3T and the study of charge storage processes in an acidic electrolyte using SPEIS and in-situ X-ray absorption spectroscopy

    Article • Energy Storage Materials, August 2024, Elsevier

    Michael Knapp

  11. Probing Particle‐Carbon/Binder Degradation Behavior in Fatigued Layered Cathode Materials through Machine Learning Aided Diffraction Tomography

    Article • Angewandte Chemie, June 2024, Wiley

    Michael Knapp

  12. Probing Particle‐Carbon/Binder Degradation Behavior in Fatigued Layered Cathode Materials through Machine Learning Aided Diffraction Tomography

    Article • Angewandte Chemie, June 2024, Wiley

    Michael Knapp

  13. Understanding the Correlation between Electrochemical Performance and Operating Mechanism of a Co-free Layered-Spinel Composite Cathode for Na-Ion Batteries

    Article • ACS Applied Materials & Interfaces, May 2024, American Chemical Society (ACS)

    Michael Knapp

  14. Understanding the Electrochemical Reaction Mechanism of the Co/Ni Free Layered Cathode Material P2–Na2/3Mn7/12Fe1/3Ti1/12O2 for Sodium-Ion Batteries

    Article • Chemistry of Materials, April 2024, American Chemical Society (ACS)

    Michael Knapp

  15. Mechanochemically induced hydrometallurgical method for recycling d-elements from Li-ion battery cathodes

    Article • Journal of Alloys and Compounds, March 2024, Elsevier

    Michael Knapp

  16. Ca2+ pre-intercalated bilayered vanadium oxide for high-performance aqueous Mg-ion batteries

    Article • Energy Storage Materials, February 2024, Elsevier

    Michael Knapp

  17. Size and orientation of polar nanoregions characterized by PDF analysis and using a statistical model in a Bi(Mg1/2Ti1/2)O3–PbTiO3 ferroelectric re-entrant relaxor

    Article • Journal of Materials Chemistry A, January 2024, Royal Society of Chemistry

    Michael Knapp, Dr. Mads Ry Vogel Jørgensen

  18. Revealing the mechanism of reductive, mechanochemical Li recycling from LiFePO4

    Article • RSC Mechanochemistry, January 2024, Royal Society of Chemistry

    Michael Knapp

  19. Influence of oxygen distribution on the Li-ion conductivity in oxy-sulfide glasses – taking a closer look

    Article • Dalton Transactions, January 2024, Royal Society of Chemistry

    Michael Knapp

  20. Revealing the disrupted Li/vacancy structure in Co, Mg, and Al co-doped ultra-high Ni-rich cathodes

    Article • Journal of Materials Chemistry A, January 2024, Royal Society of Chemistry

    Michael Knapp, Alexander Missyul

  21. Characterization and Comparative Study of Energy Efficient Mechanochemically Induced NASICON Sodium Solid Electrolyte Synthesis

    Article • ChemSusChem, November 2023, Wiley

    Michael Knapp

  22. In situ neutron diffraction for analysing complex coarse-grained functional materials

    Article • Journal of Applied Crystallography, August 2023, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  23. Dynamic inconsistency between electrochemical reaction and phase transition in Na-deficient layered cathode materials

    Article • Energy Storage Materials, August 2023, Elsevier

    Michael Knapp

  24. Electrochemical Investigation of Calcium Substituted Monoclinic Li3V2(PO4)3 Negative Electrode Materials for Sodium‐ and Potassium‐Ion Batteries

    Article • Small, July 2023, Wiley

    Michael Knapp, Alexander Missyul

  25. A method to prolong lithium-ion battery life during the full life cycle

    Article • Cell Reports Physical Science, July 2023, Elsevier

    Michael Knapp

  26. Systematic Study of the Multiple Variables Involved in V2AlC Acid-Based Etching Processes, a Key Step in MXene Synthesis

    Article • ACS Applied Materials & Interfaces, May 2023, American Chemical Society (ACS)

    Michael Knapp

  27. Architecting “Li-rich Ni-rich” core-shell layered cathodes for high-energy Li-ion batteries

    Article • Energy Storage Materials, May 2023, Elsevier

    Michael Knapp

  28. Universal and efficient extraction of lithium for lithium-ion battery recycling using mechanochemistry

    Article • Communications Chemistry, March 2023, Springer Science + Business Media

    Michael Knapp

  29. Activation of 2D MoS2 electrodes induced by high-rate lithiation processes

    Article • Journal of Energy Chemistry, March 2023, Elsevier

    Michael Knapp

  30. Guest Ion‐Dependent Reaction Mechanisms of New Pseudocapacitive Mg3V4(PO4)6/Carbon Composite as Negative Electrode for Monovalent‐Ion Batteries

    Article • Advanced Science, February 2023, Wiley

    Michael Knapp, Alexander Missyul

  31. Long‐Range Cationic Disordering Induces two Distinct Degradation Pathways in Co‐Free Ni‐Rich Layered Cathodes

    Article • Angewandte Chemie, January 2023, Wiley

    Michael Knapp

  32. Size and Orientation of Pnrs Characterized by Pdf Analysis and a Statistical Model in Bi(Mg <sub>1/2</sub>Ti <sub>1/2</sub>)O <sub>3</sub>-PbTiO <sub>3</sub> Re-Entrant Relaxor

    Article • January 2023, Elsevier

    Manuel Hinterstein, Michael Knapp

  33. Architecting “Li-Rich Ni-Rich” Core-Shell Layered Cathodes for High-Energy Li-Ion Batteries

    Article • January 2023, Elsevier

    Michael Knapp

  34. Dynamic Inconsistency between Electrochemical Reaction and Phase Transition in Na-Deficient Layered Cathode Materials

    Article • January 2023, Elsevier

    Michael Knapp

  35. Constructing a Thin Disordered Self‐Protective Layer on the LiNiO2 Primary Particles Against Oxygen Release

    Article • Advanced Functional Materials, November 2022, Wiley

    Michael Knapp

  36. Universal and high efficient extraction of lithium for LIB recycling using mechanochemistry.

    Article • November 2022, Research Square

    Michael Knapp

  37. Preferred Site Occupation of Doping Cation and Its Impact on the Local Structure of V2O5

    Article • Chemistry of Materials, November 2022, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  38. Surface Structure Evolution and its Impact on the Electrochemical Performances of Aqueous‐Processed High‐Voltage Spinel LiNi0.5Mn1.5O4 Cathodes in Lithium‐Ion Batteries

    Article • Advanced Functional Materials, September 2022, Wiley

    Michael Knapp

  39. Unraveling a cathode/anode compatible electrolyte for high-performance aqueous rechargeable zinc batteries

    Article • Energy Storage Materials, September 2022, Elsevier

    Michael Knapp

  40. Multiscale investigation of discharge rate dependence of capacity fade for lithium-ion battery

    Article • Journal of Power Sources, July 2022, Elsevier

    Michael Knapp

  41. Alternating Current Impedance Probing Capacity of Lithium‐Ion Battery by Gaussian Process Regression

    Article • Energy Technology, June 2022, Wiley

    Michael Knapp

  42. Data-driven capacity estimation of commercial lithium-ion batteries from voltage relaxation

    Article • Nature Communications, April 2022, Springer Science + Business Media

    Michael Knapp

  43. Methods—Spatially Resolved Diffraction Study of the Uniformity of a Li-Ion Pouch Cell

    Article • Journal of The Electrochemical Society, March 2022, The Electrochemical Society

    Dr. Mads Ry Vogel Jørgensen, Michael Knapp

  44. Probing thermally-induced structural evolution during the synthesis of layered Li-, Na-, or K-containing 3d transition-metal oxides

    Article • eScience, March 2022, Elsevier

    Michael Knapp

  45. Unveiling the Electrochemical Mechanism of High-Capacity Negative Electrode Model-System BiFeO3 in Sodium-Ion Batteries: An In Operando XAS Investigation

    Article • ACS Applied Materials & Interfaces, February 2022, American Chemical Society (ACS)

    Michael Knapp

  46. High‐Voltage Aqueous Mg‐Ion Batteries Enabled by Solvation Structure Reorganization

    Article • Advanced Functional Materials, January 2022, Wiley

    Michael Knapp

  47. New Insights into Lithium Hopping and Ordering in LiNiO2 Cathodes during Li (De)intercalation

    Article • Chemistry of Materials, December 2021, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  48. Self-Standing, Collector-Free Maricite NaFePO4/Carbon Nanofiber Cathode Endowed with Increasing Electrochemical Activity

    Article • Energy & Fuels, November 2021, American Chemical Society (ACS)

    Michael Knapp

  49. In operando study of orthorhombic V2O5 as positive electrode materials for K-ion batteries

    Article • Journal of Energy Chemistry, November 2021, Elsevier

    Michael Knapp, Alexander Missyul

  50. Extended Condensed Ultraphosphate Frameworks with Monovalent Ions Combine Lithium Mobility with High Computed Electrochemical Stability

    Article • Journal of the American Chemical Society, October 2021, American Chemical Society (ACS)

    Dr. Ruiyong Chen, Michael Knapp

  51. Managing Life Span of High-Energy LiNi0.88Co0.11Al0.01O2|C–Si Li-Ion Batteries

    Article • ACS Applied Energy Materials, September 2021, American Chemical Society (ACS)

    Michael Knapp

  52. Data-driven lithium-ion battery capacity estimation from voltage relaxation

    Article • August 2021, Research Square

    Michael Knapp

  53. Li+/Na+ Ion Exchange in Layered Na2/3(Ni0.25Mn0.75)O2: A Simple and Fast Way to Synthesize O3/O2-Type Layered Oxides

    Article • Chemistry of Materials, June 2021, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  54. Low-Temperature Separating Lithium-Ion Battery Interfacial Polarization Based on Distribution of Relaxation Times (DRT) of Impedance

    Article • IEEE Transactions on Transportation Electrification, June 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Michael Knapp

  55. Direct Observation of Reductive Coupling Mechanism between Oxygen and Iron/Nickel in Cobalt‐Free Li‐Rich Cathode Material: An in Operando X‐Ray Absorption Spectroscopy Study

    Article • Advanced Energy Materials, May 2021, Wiley

    Michael Knapp

  56. Dielectric Relaxation and Magnetic Structure of A-Site-Ordered Perovskite Oxide Semiconductor CaCu3Fe2Ta2O12

    Article • Inorganic Chemistry, May 2021, American Chemical Society (ACS)

    Manuel Hinterstein, Michael Knapp

  57. Correction to: Upscaling of LATP synthesis: Stoichiometric screening of phase purity and microstructure to ionic conductivity maps

    Article • Ionics, April 2021, Springer Science + Business Media

    Michael Knapp

  58. Upscaling of LATP synthesis: Stoichiometric screening of phase purity and microstructure to ionic conductivity maps

    Article • Ionics, March 2021, Springer Science + Business Media

    Michael Knapp

  59. Investigation of capacity fade for 18650-type lithium-ion batteries cycled in different state of charge (SoC) ranges

    Article • Journal of Power Sources, March 2021, Elsevier

    Michael Knapp

  60. Kinetic Control of Long‐Range Cationic Ordering in the Synthesis of Layered Ni‐Rich Oxides

    Article • Advanced Functional Materials, February 2021, Wiley

    Michael Knapp

  61. A “Solvent‐Free” Crystal Structure of [Fe{N(SiMe3)2}3] – Synthesis, Structure and Properties

    Article • European Journal of Inorganic Chemistry, February 2021, Wiley

    Michael Knapp

  62. Multi-analyser detector (MAD) for high-resolution and high-energy powder X-ray diffraction

    Article • Journal of Synchrotron Radiation, January 2021, International Union of Crystallography

    Michael Knapp, Manuel Hinterstein

  63. The crystal growth and properties of novel magnetic double molybdate RbFe5(MoO4)7with mixed Fe3+/Fe2+states and 1D negative thermal expansion

    Article • CrystEngComm, January 2021, Royal Society of Chemistry

    Michael Knapp

  64. Electrochemical performance and reaction mechanism investigation of V2O5 positive electrode material for aqueous rechargeable zinc batteries

    Article • Journal of Materials Chemistry A, January 2021, Royal Society of Chemistry

    Michael Knapp, Alexander Missyul

  65. Garnet to hydrogarnet: effect of post synthesis treatment on cation substituted LLZO solid electrolyte and its effect on Li ion conductivity

    Article • RSC Advances, January 2021, Royal Society of Chemistry

    Michael Knapp

  66. Phosphoric acid and thermal treatments reveal the peculiar role of surface oxygen anions in lithium and manganese-rich layered oxides

    Article • Journal of Materials Chemistry A, January 2021, Royal Society of Chemistry

    Michael Knapp, Alexander Missyul

  67. Lithium-ion (de)intercalation mechanism in core-shell layered Li(Ni,Co,Mn)O2 cathode materials

    Article • Nano Energy, December 2020, Elsevier

    Michael Knapp

  68. Synthesis, Characterization, Electrochemistry, and In Situ X‐ray Diffraction Investigation of Ni3(PO4)2 as a Negative Electrode Material for Lithium‐Ion Batteries

    Article • ChemElectroChem, September 2020, Wiley

    Michael Knapp

  69. Structure and Diffusion Pathways in Li6PS5Cl Argyrodite from Neutron Diffraction, Pair-Distribution Function Analysis, and NMR

    Article • Chemistry of Materials, September 2020, American Chemical Society (ACS)

    Michael Knapp

  70. New Li0.8M0.1Ti2(PO4)3 (M=Co, Mg) Electrode Materials for Lithium‐Ion Batteries: In Operando X‐Ray Diffraction and Ex Situ X‐ray Photoelectron Spectroscopy Investigations

    Article • ChemElectroChem, September 2020, Wiley

    Michael Knapp

  71. Synthesis and Characterization of a Multication Doped Mn Spinel, LiNi0.3Cu0.1Fe0.2Mn1.4O4, as 5 V Positive Electrode Material

    Article • ACS Omega, August 2020, American Chemical Society (ACS)

    Michael Knapp

  72. Lithium lanthanum titanate perovskite as an anode for lithium ion batteries

    Article • Nature Communications, July 2020, Springer Science + Business Media

    Michael Knapp

  73. Fatigue in High-Energy Commercial Li Batteries while Cycling at Standard Conditions: An In Situ Neutron Powder Diffraction Study

    Article • ACS Applied Energy Materials, June 2020, American Chemical Society (ACS)

    Michael Knapp

  74. Chemical and Structural Evolution during the Synthesis of Layered Li(Ni,Co,Mn)O2 Oxides

    Article • Chemistry of Materials, May 2020, American Chemical Society (ACS)

    Michael Knapp, Alexander Missyul

  75. In Situ X-ray Diffraction and X-ray Absorption Spectroscopic Studies of a Lithium-Rich Layered Positive Electrode Material: Comparison of Composite and Core–Shell Structures

    Article • ACS Applied Materials & Interfaces, March 2020, American Chemical Society (ACS)

    Michael Knapp

  76. Investigation of lithium-ion battery degradation mechanisms by combining differential voltage analysis and alternating current impedance

    Article • Journal of Power Sources, February 2020, Elsevier

    Michael Knapp

  77. Mechanochemical synthesis of amorphous and crystalline Na2P2S6 – elucidation of local structural changes by X-ray total scattering and NMR

    Article • Dalton Transactions, January 2020, Royal Society of Chemistry

    Michael Knapp

  78. Structural insights into the formation and voltage degradation of lithium- and manganese-rich layered oxides

    Article • Nature Communications, November 2019, Springer Science + Business Media

    Michael Knapp

  79. Local structure of glass-ceramic sodium sulfidic solid-state electrolytes

    Article • Acta Crystallographica Section A Foundations and Advances, August 2019, International Union of Crystallography

    Michael Knapp

  80. An improved electro-thermal battery model complemented by current dependent parameters for vehicular low temperature application

    Article • Applied Energy, August 2019, Elsevier

    Michael Knapp

  81. Electrochemical and Structural Investigation of Calcium Substituted Monoclinic Li3V2(PO4)3 Anode Materials for Li‐Ion Batteries

    Article • Advanced Energy Materials, July 2019, Wiley

    Michael Knapp

  82. Dielectric relaxation behavior induced by lithium migration in Li4Ti5O12 spinel

    Article • Journal of Alloys and Compounds, July 2019, Elsevier

    Michael Knapp

  83. Amorphous versus Crystalline Li3PS4: Local Structural Changes during Synthesis and Li Ion Mobility

    Article • The Journal of Physical Chemistry C, April 2019, American Chemical Society (ACS)

    Michael Knapp

  84. Lithium/Oxygen Incorporation and Microstructural Evolution during Synthesis of Li‐Rich Layered Li[Li0.2Ni0.2Mn0.6]O2 Oxides

    Article • Advanced Energy Materials, February 2019, Wiley

    Michael Knapp

  85. In Operando Synchrotron Diffraction and in Operando X-ray Absorption Spectroscopy Investigations of Orthorhombic V2O5 Nanowires as Cathode Materials for Mg-Ion Batteries

    Article • Journal of the American Chemical Society, January 2019, American Chemical Society (ACS)

    Michael Knapp

  86. Observation of electrochemically active Fe3+/Fe4+ in LiCo0.8Fe0.2MnO4 by in situ Mössbauer spectroscopy and X-ray absorption spectroscopy

    Article • Physical Chemistry Chemical Physics, January 2019, Royal Society of Chemistry

    Michael Knapp

  87. Neutron imaging with fission and thermal neutrons at NECTAR at MLZ

    Article • Physica B Condensed Matter, December 2018, Elsevier

    Michael Knapp

  88. (De)Lithiation Mechanism of Hierarchically Layered LiNi1/3Co1/3Mn1/3O2 Cathodes during High-Voltage Cycling

    Article • Journal of The Electrochemical Society, November 2018, The Electrochemical Society

    Michael Knapp

  89. Electrochemical and structural investigations of different polymorphs of TiO2 in magnesium and hybrid lithium/magnesium batteries

    Article • Electrochimica Acta, July 2018, Elsevier

    Alexander Missyul, Michael Knapp

  90. Electrochemical performance of nanosized MnO2 synthesized by redox route using biological reducing agents

    Article • Journal of Alloys and Compounds, May 2018, Elsevier

    Michael Knapp

  91. Energy research with neutrons (ErwiN) and installation of a fast neutron powder diffraction option at the MLZ, Germany

    Article • Journal of Applied Crystallography, April 2018, International Union of Crystallography

    Michael Heere, Michael Knapp

  92. Delithiation/relithiation process of LiCoMnO4 spinel as 5 V electrode material

    Article • Journal of Power Sources, December 2017, Elsevier

    Michael Knapp

  93. Local Structures and Li Ion Dynamics in a Li10SnP2S12-Based Composite Observed by Multinuclear Solid-State NMR Spectroscopy

    Article • The Journal of Physical Chemistry C, October 2017, American Chemical Society (ACS)

    Michael Knapp

  94. Thermal evolution of polar nanoregions identified by the relaxation time of electric modulus in the Bi 1/2 Na 1/2 TiO 3...

    Article • EPL (Europhysics Letters), May 2017, Institute of Physics Publishing

    Manuel Hinterstein, Michael Knapp

  95. Average vs. local structure and composition-property phase diagram of K0.5Na0.5NbO3-Bi½Na½TiO3 system

    Article • Journal of the European Ceramic Society, April 2017, Elsevier

    Manuel Hinterstein, Michael Knapp

  96. Fast Na+ Ion Conduction in NASICON-Type Na3.4Sc2(SiO4)0.4(PO4)2.6 Observed by 23Na NMR Relaxometry

    Article • The Journal of Physical Chemistry C, January 2017, American Chemical Society (ACS)

    Michael Knapp

  97. Shape-controlled synthesis of hierarchically layered lithium transition-metal oxide cathode materials by shear exfoliation in continuous stirred-tank reactors

    Article • Journal of Materials Chemistry A, January 2017, Royal Society of Chemistry

    Michael Knapp

  98. The Thermal Neutron Beam Option for NECTAR at MLZ

    Article • Physics Procedia, January 2017, Elsevier

    Michael Knapp

  99. CoMg olivine: cation partitioning, thermal expansion and structural variation studied by in situ neutron and synchrotron powder diffraction

    Article • European Journal of Mineralogy, November 2016, Schweizerbart

    Michael Knapp

  100. Comparison of electrospun and conventional LiFePO4/C composite cathodes for Li-ion batteries

    Article • Materials Science and Engineering B, November 2016, Elsevier

    Michael Knapp

  101. Microwave synthesis of high-quality and uniform 4 nm ZnFe2O4 nanocrystals for application in energy storage and nanomagnetics

    Article • Beilstein Journal of Nanotechnology, September 2016, Beilstein Institut

    Michael Knapp

  102. Toward On‐and‐Off Magnetism: Reversible Electrochemistry to Control Magnetic Phase Transitions in Spinel Ferrites

    Article • Advanced Functional Materials, September 2016, Wiley

    Michael Knapp

  103. Enhancement of electrochemical performance by simultaneous substitution of Ni and Mn with Fe in Ni-Mn spinel cathodes for Li-ion batteries

    Article • Journal of Power Sources, September 2016, Elsevier

    Michael Knapp

  104. Revealing secrets of lithium-ion battery operation by neutron scattering

    Article • Acta Crystallographica Section A Foundations and Advances, August 2016, International Union of Crystallography

    Michael Knapp

  105. Layered-to-Tunnel Structure Transformation and Oxygen Redox Chemistry in LiRhO2 upon Li Extraction and Insertion

    Article • Inorganic Chemistry, July 2016, American Chemical Society (ACS)

    Prof. Dr. Joke Hadermann, Olesia Karakulina, Michael Knapp

  106. Structure and dielectric dispersion in cubic-like 0.5K 0.5 Na 0.5 NbO 3 -0.5Na ...

    Article • EPL (Europhysics Letters), May 2016, Institute of Physics Publishing

    Manuel Hinterstein, Michael Knapp

  107. The phase diagram of K0.5Na0.5NbO3–Bi1/2Na1/2TiO3

    Article • Journal of Applied Crystallography, March 2016, International Union of Crystallography

    Laijun Liu, Manuel Hinterstein, Michael Knapp

  108. A novel high-throughput setup forin situpowder diffraction on coin cell batteries

    Article • Journal of Applied Crystallography, February 2016, International Union of Crystallography

    Michael Knapp

  109. Lithiation-driven structural transition of VO2F into disordered rock-salt LixVO2F

    Article • RSC Advances, January 2016, Royal Society of Chemistry

    Dr. Ruiyong Chen, Michael Knapp

  110. X-ray total scattering investigation of Al0.57Sn0.43O1.71nanoparticles

    Article • Journal of Applied Crystallography, October 2015, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  111. Effect of Internal Current Flow During the Sintering of Zirconium Diboride by Field Assisted Sintering Technology

    Article • Journal of the American Ceramic Society, September 2015, Wiley

    Dr Jesus Gonzalez-Julian, Michael Knapp

  112. Kinetics of strain mechanisms in functional materials: stroboscopic powder diffraction on piezoceramics

    Article • Acta Crystallographica Section A Foundations and Advances, August 2015, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  113. Thermal expansion of polycrystalline gallium nitride: an X‐ray diffraction study

    Article • X-Ray Spectrometry, July 2015, Wiley

    Michael Knapp

  114. Combining high time and angular resolutions: time-resolved X-ray powder diffraction using a multi-channel analyser detector

    Article • Journal of Applied Crystallography, April 2015, International Union of Crystallography

    Dr Semen Gorfman, Manuel Hinterstein, Michael Knapp

  115. Mechanism of the Delithiation/Lithiation Process in LiFe0.4Mn0.6PO4: in Situ and ex Situ Investigations on Long-Range and Local Structures

    Article • The Journal of Physical Chemistry C, April 2015, American Chemical Society (ACS)

    Michael Knapp

  116. Disordered Lithium-Rich Oxyfluoride as a Stable Host for Enhanced Li+Intercalation Storage

    Article • Advanced Energy Materials, February 2015, Wiley

    Dr. Ruiyong Chen, Michael Knapp

  117. Nanoscale spinel LiFeTiO4for intercalation pseudocapacitive Li+storage

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Dr Ruiyong Chen, Dr. Ruiyong Chen, Michael Knapp

  118. Large strain response based on relaxor-antiferroelectric coherence in Bi0.5Na0.5TiO3–SrTiO3–(K0.5Na0.5)NbO3 solid solutions

    Article • Journal of Applied Physics, November 2014, American Institute of Physics

    Michael Knapp

  119. Influence of Iron on the Structural Evolution of LiNi0.4Fe0.2Mn1.4O4 during Electrochemical Cycling Investigated by in situ Powder Diffraction and Spectroscopic Methods

    Article • Zeitschrift für anorganische und allgemeine Chemie, November 2014, Wiley

    Michael Knapp

  120. (De)lithiation-Induced Phase Transitions of LiMTiO4 Spinels

    Article • ECS Transactions, October 2014, The Electrochemical Society

    Dr. Ruiyong Chen, Michael Knapp

  121. Structural contribution to the ferroelectric fatigue in lead zirconate titanate ceramics

    Article • Physical Review B, September 2014, American Physical Society (APS)

    Manuel Hinterstein, Michael Knapp

  122. Production of nanocrystalline lithium fluoride by planetary ball-milling

    Article • Powder Technology, September 2014, Elsevier

    Michael Knapp

  123. Probing the Giant Piezoelectric response of ferroelectric perovskites

    Article • Acta Crystallographica Section A Foundations and Advances, August 2014, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  124. Reversible Li + Storage in a LiMnTiO 4 Spinel and Its Structural Transition Mechanisms

    Article • The Journal of Physical Chemistry C, June 2014, American Chemical Society (ACS)

    Dr. Ruiyong Chen, Michael Knapp

  125. Intercalation‐Driven Reversible Control of Magnetism in Bulk Ferromagnets

    Article • Advanced Materials, March 2014, Wiley

    Michael Knapp

  126. Possible Piezoelectric Materials CsMZr0.5(MoO4)3 (M = Al, Sc, V, Cr, Fe, Ga, In) and CsCrTi0.5(MoO4)3: Structure and Physical Properties

    Article • The Journal of Physical Chemistry C, January 2014, American Chemical Society (ACS)

    Michael Knapp

  127. Thermal expansion of CuInSe2 in the 11–1,073 K range: an X-ray diffraction study

    Article • Applied Physics A, December 2013, Springer Science + Business Media

    Michael Knapp

  128. The new Material Science Powder Diffraction beamline at ALBA Synchrotron

    Article • Powder Diffraction, September 2013, Cambridge University Press

    Francois Fauth, Michael Knapp

  129. Advances inin situpowder diffraction of battery materials: a case study of the new beamline P02.1 at DESY, Hamburg

    Article • Journal of Applied Crystallography, July 2013, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  130. Design and construction of multicrystal analyser detectors using Rowland circles: application to MAD26 at ALBA

    Article • Journal of Synchrotron Radiation, September 2011, International Union of Crystallography

    Michael Knapp

  131. Atomic scale description of the macroscopic piezo-ferroelectric properties of high-performance lead zirconate titanate (PZT)

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2011, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  132. Fatigue mechanisms on the atomic scale in high-performance lead zirconate titanate (PZT)

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2011, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  133. Structural Description of the Macroscopic Piezo- and Ferroelectric Properties of Lead Zirconate Titanate

    Article • Physical Review Letters, August 2011, American Physical Society (APS)

    Manuel Hinterstein, Michael Knapp

  134. Field-induced phase transition in Bi1/2Na1/2TiO3-based lead-free piezoelectric ceramics

    Article • Journal of Applied Crystallography, October 2010, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  135. Texture determination of ferroelectrics fromin situX-ray diffraction

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2010, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  136. Influence of lanthanum doping on the morphotropic phase boundary of lead zirconate titanate

    Article • Journal of Applied Physics, July 2010, American Institute of Physics

    Manuel Hinterstein, Michael Knapp

  137. Combined refinement of high-resolution neutron and synchrotron data of PLZT

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2009, International Union of Crystallography

    Manuel Hinterstein, Michael Knapp

  138. Effects of the ferroelectric domain structure of PZT ceramics on powder diffraction

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2009, International Union of Crystallography

    Michael Knapp

  139. In situ investigation of the stability field and relaxation behavior of nanodomain structures in morphotropic Pb[Zr1−xTix]O3 under variations in electric field and temperature

    Article • Applied Physics Letters, March 2009, American Institute of Physics

    Michael Knapp

  140. A curved image-plate detector system for high-resolution synchrotron X-ray diffraction

    Article • Journal of Synchrotron Radiation, February 2009, International Union of Crystallography

    Michael Knapp

  141. Lattice parameter of microcrystalline gold in a broad temperature range

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2008, International Union of Crystallography

    Michael Knapp

  142. Crystal chemistry, structure and magnetic properties of the Cu(MoxW1−x)O4solid solution series

    Article • The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics, March 2008, Taylor & Francis

    Michael Knapp

  143. X-ray diffraction analysis of an ε/γ′ iron-nitride compound double layer

    Article • Zeitschrift für Kristallographie Supplements, November 2007, De Gruyter

    Prof. Dr. Andreas Leineweber, Michael Knapp

  144. In situsynchrotron diffraction investigation of morphotropicPb[

    Article • Physical Review B, October 2007, American Physical Society (APS)

    Michael Knapp

  145. Erratum: "Nanodomains in morphotropic lead zirconate titanate ceramics: On the origin of the strong piezoelectric effect” [J. Appl. Phys. 102, 024111 (2007)]

    Article • Journal of Applied Physics, October 2007, American Institute of Physics

    Michael Knapp

  146. Ion exchange properties for lamellar oxides

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2007, International Union of Crystallography

    Michael Knapp

  147. Structural reaction of PZT underin situconditions using synchrotron powder diffraction – influence and stability of nanostructures

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2007, International Union of Crystallography

    Michael Knapp

  148. Nanodomains in morphotropic lead zirconate titanate ceramics: On the origin of the strong piezoelectric effect

    Article • Journal of Applied Physics, July 2007, American Institute of Physics

    Michael Knapp

  149. Nanodomain structure ofPb[Zr1

    Article • Physical Review B, May 2007, American Physical Society (APS)

    Michael Knapp

  150. CeAlO3 and Ce1−RAlO3 (R=La, Nd) solid solutions: Crystal structure, thermal expansion and phase transitions

    Article • Journal of Solid State Chemistry, April 2007, Elsevier

    Michael Knapp

  151. Estimation of strain from piezoelectric effect and domain switching in morphotropic PZT by combined analysis of macroscopic strain measurements and synchrotron X-ray data

    Article • Acta Materialia, April 2007, Elsevier

    Michael Knapp

  152. Structures of CsEuBr3 and its degradation product Cs2EuBr5·10H2O

    Article • Acta Crystallographica Section B Structural Science, March 2007, International Union of Crystallography

    Michael Knapp

  153. Kinetics of ordering in Ni1.50Sn (‘Ni3Sn2’) as revealed by the variation of the lattice parameters upon annealing

    Article • The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics, March 2007, Taylor & Francis

    Prof. Dr. Andreas Leineweber, Michael Knapp

  154. High-temperature thermal expansion and structural behaviour of stromeyerite, AgCuS

    Article • Journal of Physics Condensed Matter, March 2007, Institute of Physics Publishing

    Michael Knapp

  155. Phase formation of rapidly quenched Cu–Si alloys

    Article • Journal of Alloys and Compounds, February 2007, Elsevier

    Michael Knapp

  156. Thermal expansion study of spinel-sialon

    Article • Journal of the European Ceramic Society, January 2007, Elsevier

    Michael Knapp, Edwin Kroke

  157. A time-resolved X-ray powder diffraction method to trace the decomposition of PdBy solid solutions

    Article • December 2006, De Gruyter

    Michael Knapp

  158. Structural behaviour of β-Cu2−δSe (δ=0, 0.15, 0.25) in dependence on temperature studied by synchrotron powder diffraction

    Article • Journal of Alloys and Compounds, September 2006, Elsevier

    Michael Knapp

  159. Investigation of the domain structure, size and orientation in lead zirconate titanate PZT ceramics by transmission electron microscopy

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2006, International Union of Crystallography

    Michael Knapp

  160. Response of the ferroelectric domain structure of morphotropic PZT to the application of an electric field –in-situsynchrotron X-ray diffraction

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2006, International Union of Crystallography

    Michael Knapp

  161. A time-resolved X-ray powder diffraction method to trace the decomposition of PdBysolid solutions

    Article • Zeitschrift für Kristallographie Supplements, June 2006, De Gruyter

    Prof. Dr. Andreas Leineweber, Michael Knapp

  162. γ′-Fe4N formation in decomposing ε-Fe3N: A powder diffraction study using synchrotron radiation

    Article • Zeitschrift für Kristallographie Supplements, June 2006, De Gruyter

    Prof. Dr. Andreas Leineweber, Michael Knapp

  163. High-temperature behaviour of average structure and vibrational density of states in the ternary superionic compound AgCuSe

    Article • Zeitschrift für Physik B Condensed Matter and Quanta, June 2006, Springer Science + Business Media

    Michael Knapp

  164. Iron-oxygen vacancy defect association in polycrystalline iron-modifiedPbZr

    Article • Physical Review B, May 2006, American Physical Society (APS)

    Michael Knapp

  165. Investigation of crystal structure and associated electronic structure of Sr6BP5O20

    Article • Journal of Solid State Chemistry, April 2006, Elsevier

    Michael Knapp

  166. The transformation mechanism of the sodalite- to the melilite-topology: Thermal expansion and decomposition of bicchulite-type to melilite-type compounds

    Article • Zeitschrift für Kristallographie - Crystalline Materials, March 2006, De Gruyter

    Michael Knapp

  167. Defect studies of hydrogen-loaded thin Nb films

    Article • Applied Surface Science, February 2006, Elsevier

    Dr Jakub Cizek, Michael Knapp

  168. Thermal properties ofCaMoO4...

    Article • Physical Review B, January 2006, American Physical Society (APS)

    Michael Knapp

  169. Structural and magnetic properties of the iron substituted lithium–manganese spinel oxides

    Article • Solid State Sciences, January 2006, Elsevier

    Michael Knapp

  170. Thermal expansion of gehlenite, Ca2Al[AlSiO7], and the related aluminates LnCaAl[Al2O7] with Ln = Tb, Sm

    Article • Physics and Chemistry of Minerals, November 2005, Springer Science + Business Media

    Michael Knapp

  171. Thermal expansion of gehlenite, Ca2Al[AlSiO7], and the related aluminates LnCaAl[Al2O7] with Ln=Tb, Sm

    Article • Physics and Chemistry of Minerals, October 2005, Springer Science + Business Media

    Michael Knapp

  172. In-situ electric field synchrotron diffraction of PbZr(x)Ti(1-x)O3microdomains

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2005, International Union of Crystallography

    Michael Knapp

  173. Xanthone derivatives: conformational study and development of force field

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2005, International Union of Crystallography

    Michael Knapp

  174. Iron-oxygen vacancy defect centers inPbTiO

    Article • Physical Review B, April 2005, American Physical Society (APS)

    Michael Knapp

  175. Crystal structure and thermal expansion of PrGaO3 in the temperature range 12–1253 K

    Article • Journal of Solid State Chemistry, January 2005, Elsevier

    Michael Knapp

  176. Synthesis, crystal structure and magnetic properties of the spin ladder compounds La2(Cu1−xZnx)2O5 and La8(Cu1−xZnx)7O19

    Article • Journal of Solid State Chemistry, January 2005, Elsevier

    Michael Knapp

  177. Synchrotron X-ray wavelength calibration using a diamond internal standard: application to low-temperature thermal-expansion studies

    Article • Journal of Alloys and Compounds, November 2004, Elsevier

    Michael Knapp

  178. Thermal expansion of the perovskite-type NdGaO3

    Article • Journal of Alloys and Compounds, November 2004, Elsevier

    Michael Knapp

  179. Time-resolved SAXS investigations of morphological changes in a blend of linear and branched polyethylenes during crystallization and subsequent melting

    Article • Journal of Alloys and Compounds, November 2004, Elsevier

    Michael Knapp

  180. Interference phenomena observed by X-ray diffraction in nanocrystalline thin films

    Article • Journal of Applied Crystallography, July 2004, International Union of Crystallography

    Professor David Rafaja, Michael Knapp

  181. Changes in the real structure and magnetoresistance of Co90Fe10/Cu and Co90Fe10/Cu85Ag10Au5 multilayers after annealing

    Article • Thin Solid Films, July 2004, Elsevier

    Professor David Rafaja, Michael Knapp

  182. The synchrotron powder diffractometer at beamline B2 at HASYLAB/DESY: status and capabilities

    Article • Journal of Synchrotron Radiation, June 2004, International Union of Crystallography

    Michael Knapp

  183. Position-sensitive detector system OBI for High Resolution X-Ray Powder Diffraction using on-site readable image plates

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, April 2004, Elsevier

    Michael Knapp

  184. Thermal expansion of spinel-typeSi3

    Article • Physical Review B, February 2004, American Physical Society (APS)

    Michael Knapp

  185. Phase transition in K2C2as studied by synchrotron X-ray powder diffraction and solid-state13C NMR spectroscopy

    Article • Physical Chemistry Chemical Physics, January 2004, Royal Society of Chemistry

    Professor Uwe Ruschewitz, Michael Knapp

  186. In Situ and Ex Situ Observation of the Ordering Kinetics in Ni<sub>1.50</sub>Sn

    Article • Materials Science Forum, January 2004, Trans Tech Publications

    Michael Knapp

  187. Structure of laser-modified YBa2Cu3O7−x thin films

    Article • Journal of Alloys and Compounds, January 2004, Elsevier

    Michael Knapp

  188. Tetragonal low-temperature structure of LiAl

    Article • Journal of Solid State Chemistry, January 2004, Elsevier

    Michael Knapp

  189. Zur Kinetik der Bildung von Na2PdC2

    Article • Zeitschrift für anorganische und allgemeine Chemie, August 2003, Wiley

    Professor Uwe Ruschewitz, Michael Knapp

  190. Crystal structure, thermal expansion and conductivity of anisotropic La1−xSrxGa1−2xMg2xO3−y (x=0.05, 0.1) single crystals

    Article • Journal of Solid State Chemistry, May 2003, Elsevier

    Michael Knapp

  191. Lanthanum doped calcium titanates: synthesis, crystal structure, thermal expansion and transport properties

    Article • Journal of Alloys and Compounds, May 2003, Elsevier

    Michael Knapp

  192. In situ high-pressure and high-temperature diffraction experiments on pure and Ag-doped TiO2 nanopowders

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, January 2003, Elsevier

    Michael Knapp

  193. Lattice parameters and anisotropic thermal expansion of hexagonal boron nitride in the 10?297.5�K temperature range

    Article • Applied Physics A, September 2002, Springer Science + Business Media

    Michael Knapp

  194. Tetragonal low-temperature phase of MgCr2O4

    Article • Powder Diffraction, September 2002, Cambridge University Press

    Michael Knapp

  195. The crystal and magnetic structure relationship in Cu(W1-xMox)O4compounds with wolframite-type structure

    Article • Journal of Physics Condensed Matter, August 2002, Institute of Physics Publishing

    Michael Knapp

  196. Image-plate system with on-site reading process for highly efficient data collection in synchrotron powder diffraction

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2002, International Union of Crystallography

    Michael Knapp

  197. Lattice Parameters of Aluminium Nitride in the Range 10-291 K

    Article • Acta Physica Polonica A, May 2002, Institute of Physics, Polish Academy of Sciences

    Michael Knapp

  198. X-ray Characterization of Films Formed by Pulsed Laser Deposition on Cold Substrates from YBaCuO Targets

    Article • Acta Physica Polonica A, May 2002, Institute of Physics, Polish Academy of Sciences

    Michael Knapp

  199. Characterisation of thin films containing Au and Pd nanoparticles by grazing-incidence X-ray diffraction and related methods

    Article • Journal of Alloys and Compounds, October 2001, Elsevier

    Michael Knapp

  200. Crystal Structure and Magnetic Properties of Gd<sub>1+n</sub>Fe<sub>12-x-y</sub>Mo<sub>x</sub>⃞<sub>y</sub> Solid Solution

    Article • Materials Science Forum, October 2001, Trans Tech Publications

    Michael Knapp

  201. Low-temperature thermal expansion of Mg3N2

    Article • Journal of Alloys and Compounds, October 2001, Elsevier

    Michael Knapp

  202. Room and high temperature structure of La1−xNdxGaO3 (x=0.27 and 0.37) perovskites determined by synchrotron powder X-ray diffraction

    Article • Journal of Alloys and Compounds, October 2001, Elsevier

    Michael Knapp

  203. Pneumatically bent mirrors: an additional degree of freedom for beam conditioning in high-resolution powder diffraction

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, July 2001, Elsevier

    Michael Knapp

  204. R-3c–Pbnm phase transition of La1−xSmxGaO3 (0<x<0.3) perovskites and crystal structures of the orthorhombic and trigonal phases

    Article • Solid State Ionics, June 2001, Elsevier

    Michael Knapp

  205. Site-specific electronic structure of Pr inPr1+...

    Article • March 2001, American Physical Society (APS)

    Michael Knapp

  206. Structural Phase Transitions in CaC2

    Article • Chemistry - A European Journal, February 2001, Wiley

    Professor Uwe Ruschewitz, Michael Knapp

  207. Resonant X-ray diffraction using high-resolution image-plate data

    Article • Journal of Applied Crystallography, June 2000, International Union of Crystallography

    Michael Knapp

  208. Synthesis and Crystal Structure of SrC2

    Article • Journal of Solid State Chemistry, April 2000, Elsevier

    Professor Uwe Ruschewitz, Michael Knapp

  209. Valence determination as a function of doping inPrBa2

    Article • January 2000, American Physical Society (APS)

    Michael Knapp

  210. Short-Range Order of Amorphous (Zr65Al7.5Cu17.5Ni10)100—xFex Alloys

    Article • phys stat sol (a), October 1999, Wiley

    Michael Knapp

  211. Rapid, In-Situ, Ultra-High Temperature Investigations of Ceramics using Synchrotron X-Ray Diffraction

    Article • Wiley

    Michael Knapp