All Stories

  1. Numerical and experimental analysis of the residual stress and microstructure in stainless steel thin-walled components manufactured by wire arc additive manufacturing

    Article • Journal of Materials Research and Technology, May 2026, Elsevier

    Manuel Hinterstein

  2. Multiphase-field modeling of domain structure evolution in ferroelectric thin film

    Article • Journal of the European Ceramic Society, January 2025, Elsevier

    Manuel Hinterstein

  3. A review on additive manufacturing of piezoelectric ceramics: From feedstock development to properties of sintered parts

    Article • Materials Science and Engineering R Reports, January 2025, Elsevier

    Manuel Hinterstein

  4. In situ synchrotron X-ray diffraction for actuation in sodium bismuth titanate relaxor ferroelectrics

    Article • Materials Horizons, January 2025, Royal Society of Chemistry

    Manuel Hinterstein

  5. Enhanced Coupling Between Soft Ferromagnetism and Displacive Ferroelectricity in the Pb‐Site Modified PbFe1/2Nb1/2O3

    Article • Advanced Electronic Materials, October 2024, Wiley

    Manuel Hinterstein

  6. Ultrahigh Energy‐Storage in Dual‐Phase Relaxor Ferroelectric Ceramics

    Article • Advanced Materials, October 2024, Wiley

    Manuel Hinterstein

  7. The role of Ca/Zr ratio on the local structure and phase transitions in lead-free (Ba,Ca)(Zr,Ti)O3

    Article • Journal of the European Ceramic Society, August 2024, Elsevier

    Dr Neamul Khansur, Manuel Hinterstein

  8. Material-extrusion based additive manufacturing of BaTiO3 ceramics: from filament production to sintered properties

    Article • Additive Manufacturing, May 2024, Elsevier

    Manuel Hinterstein

  9. Chemical Framework to Design Linear-like Relaxors toward Capacitive Energy Storage

    Article • Journal of the American Chemical Society, January 2024, American Chemical Society (ACS)

    Manuel Hinterstein

  10. 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, Manuel Hinterstein

  11. Residual stress analysis in industrial parts: a comprehensive comparison of XRD methods

    Article • Journal of Materials Science, November 2023, Springer Science + Business Media

    Manuel Hinterstein

  12. Surface Conditions after LASER Shock Peening of Steel and Aluminum Alloys Using Ultrafast Laser Pulses

    Article • Materials, October 2023, MDPI AG

    Manuel Hinterstein

  13. A phase-field model for ferroelectric materials—Based on the multiphase-field method

    Article • Computational Materials Science, October 2023, Elsevier

    Manuel Hinterstein

  14. 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

  15. Perovskite/metal (Bi0.5Na0.5TiO3-BaTiO3/Ag) lead-free composite ceramics featuring enhanced depolarization temperature

    Article • Acta Materialia, August 2023, Elsevier

    Manuel Hinterstein

  16. Electric field-induced two-step phase transformation and its contribution to the electromechanical strain in lead-free relaxor-based ceramics

    Article • Journal of the European Ceramic Society, July 2023, Elsevier

    Manuel Hinterstein

  17. Texture-based ferroelectric hardening in Na1/2Bi

    Article • Physical Review Materials, June 2023, American Physical Society (APS)

    Manuel Hinterstein

  18. Structural insights into electric field induced polarization and strain responses in K0.5

    Article • April 2023, American Physical Society (APS)

    Manuel Hinterstein

  19. Stroboscopic in situ neutron diffraction approach to elucidate the kinetics of strain mechanisms in ferroelectric materials

    Article • Physical Review Materials, March 2023, American Physical Society (APS)

    Manuel Hinterstein

  20. Perovskite/Metal (Bi <sub>0.5</sub>Na <sub>0.5</sub>TiO <sub>3</sub>-BaTiO <sub>3</sub>/Ag) Lead-Free Composite Ceramics Featuring Enhanced Depolarization Temperature

    Article • January 2023, Elsevier

    Manuel Hinterstein

  21. 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

  22. Ferroelectricity and Crystal Phases in Mixed‐Cation Lead Iodide Perovskite Solar Cells

    Article • Solar RRL, October 2022, Wiley

    Manuel Hinterstein

  23. Deciphering the phase transition-induced ultrahigh piezoresponse in (K,Na)NbO3-based piezoceramics

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

    Manuel Hinterstein

  24. Structure and relaxor ferroelectric behavior of the novel tungsten bronze type ceramic Sr5BiTi3Nb7O30

    Article • Journal of Applied Physics, April 2022, American Institute of Physics

    Manuel Hinterstein, Chunchun Li

  25. Multigrain phase-field simulation in ferroelectrics with phase coexistences: An improved phase-field model

    Article • Computational Materials Science, February 2022, Elsevier

    Manuel Hinterstein

  26. Giant Functional Properties in Porous Electroceramics through Additive Manufacturing of Capillary Suspensions

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

    Manuel Hinterstein

  27. Uncovering the symmetry of the induced ferroelectric phase transformation in polycrystalline barium titanate

    Article • Journal of Applied Physics, December 2021, American Institute of Physics

    Manuel Hinterstein

  28. Effect of varying Bi content on the temperature-dependent mechanical, dielectric, and structural properties of nominal Na1/2Bi1/2TiO3

    Article • Journal of Applied Physics, November 2021, American Institute of Physics

    Manuel Hinterstein, Dr Neamul Khansur

  29. Size Effect on Ferroelectricity in Nanoscaled BaTiO3

    Article • October 2021, Springer Science + Business Media

    Manuel Hinterstein

  30. Revealing intrinsic and extrinsic piezoelectric contributions in phase coexistence system of PbTiO3-BiScO3

    Article • Science China Materials, August 2021, Springer Science + Business Media

    Manuel Hinterstein

  31. 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

  32. Processing and properties of translucent bismuth sodium titanate ceramics

    Article • Journal of the European Ceramic Society, February 2021, Elsevier

    Manuel Hinterstein

  33. 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

  34. Grain size effects in donor doped lead zirconate titanate ceramics

    Article • Journal of Applied Physics, December 2020, American Institute of Physics

    Manuel Hinterstein, Dr Neamul Khansur

  35. Spontaneous ferroelectric order in lead-free relaxor Na1/

    Article • May 2020, American Physical Society (APS)

    Manuel Hinterstein

  36. The complex structural mechanisms behind strain curves in bismuth sodium titanate–barium titanate

    Article • Applied Physics Letters, May 2020, American Institute of Physics

    Manuel Hinterstein

  37. Electric-Field-Induced Phase Transformation and Frequency-Dependent Behavior of Bismuth Sodium Titanate–Barium Titanate

    Article • Materials, February 2020, MDPI AG

    Manuel Hinterstein

  38. Coordination Polymer to Atomically Thin, Holey, Metal‐Oxide Nanosheets for Tuning Band Alignment

    Article • Advanced Materials, November 2019, Wiley

    Manuel Hinterstein, Dr Hussein Assadi

  39. Practical high-performance lead-free piezoelectrics: structural flexibility beyond utilizing multiphase coexistence

    Article • National Science Review, November 2019, Oxford University Press (OUP)

    Manuel Hinterstein

  40. Antiferroelectric Pnma phase: the missing element to understand morphotropic phase boundary lead-free Na1/2Bi1/2TiO3-based piezoceramics

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

    Manuel Hinterstein

  41. Powder diffraction in external electric and magnetic fields

    Article • July 2019, International Union of Crystallography

    Manuel Hinterstein

  42. Influence of the annealing conditions on temperature-dependent ferroelastic behavior of LSCF

    Article • Materialia, June 2019, Elsevier

    Manuel Hinterstein, Dr Neamul Khansur

  43. Determining fundamental properties from diffraction: Electric field induced strain and piezoelectric coefficient

    Article • May 2019, American Physical Society (APS)

    Manuel Hinterstein

  44. Revealing the role of local stress on the depolarization of BNT-BT-based relaxors

    Article • Physical Review Materials, May 2019, American Physical Society (APS)

    Manuel Hinterstein

  45. In Situ Neutron Diffraction Studies on Poling of the Hard PZT Ceramic PIC181

    Article • Advanced Engineering Materials, April 2019, Wiley

    Manuel Hinterstein

  46. Microstructural, optical, and electrical characteristics of Ni/C doped BST thin films

    Article • Ceramics International, April 2019, Elsevier

    Manuel Hinterstein

  47. Influence of PbO stoichiometry on the properties of PZT ceramics and multilayer actuators

    Article • Journal of the American Ceramic Society, March 2019, Wiley

    Manuel Hinterstein

  48. Enhanced antiferroelectric phase stability in La-doped AgNbO3: perspectives from the microstructure to energy storage properties

    Article • Journal of Materials Chemistry A, January 2019, Royal Society of Chemistry

    Manuel Hinterstein

  49. In situ study of electric‐field‐induced ferroelectric and antiferromagnetic domain switching in polycrystalline BiFeO 3

    Article • Journal of the American Ceramic Society, September 2018, Wiley

    Manuel Hinterstein

  50. Influence of microstructure on symmetry determination of piezoceramics

    Article • Acta Crystallographica Section A Foundations and Advances, August 2018, International Union of Crystallography

    Manuel Hinterstein

  51. Relaxor-ferroelectric transitions: Sodium bismuth titanate derivatives

    Article • MRS Bulletin, August 2018, Springer Science + Business Media

    Manuel Hinterstein

  52. Influence of microstructure on symmetry determination of piezoceramics

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

    Manuel Hinterstein

  53. Stress-dependent crystal structure of lanthanum strontium cobalt ferrite by in situ synchrotron X-ray diffraction

    Article • Journal of Applied Physics, February 2018, American Institute of Physics

    Dr Neamul Khansur, Manuel Hinterstein

  54. 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

  55. 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

  56. Nonlinear mechanical behaviour of Ba0.5Sr0.5Co0.8Fe0.2O3−δ and in situ stress dependent synchrotron X-ray diffraction study

    Article • Solid State Ionics, February 2017, Elsevier

    Dr Neamul Khansur, Manuel Hinterstein

  57. Organic-inorganic hybrid perovskite CH3NH3PbI3: structural consequences of water absorption

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

    Manuel Hinterstein

  58. Piezoelectricity and rotostriction through polar and non-polar coupled instabilities in bismuth-based piezoceramics

    Article • Scientific Reports, July 2016, Springer Science + Business Media

    Manuel Hinterstein

  59. Neutron diffraction study of KNN ceramics

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

    Henry Mgbemere, Manuel Hinterstein

  60. 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

  61. A sample cell forin situelectric-field-dependent structural characterization and macroscopic strain measurements

    Article • Journal of Synchrotron Radiation, April 2016, International Union of Crystallography

    Dr Neamul Khansur, Manuel Hinterstein

  62. Stress-modulated relaxor-to-ferroelectric transition in lead-free(Na

    Article • April 2016, American Physical Society (APS)

    Manuel Hinterstein

  63. 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

  64. Electric-field-induced strain contributions in morphotropic phase boundary composition of (Bi1/2Na1/2)TiO3-BaTiO3 during poling

    Article • Applied Physics Letters, December 2015, American Institute of Physics

    Dr Neamul Khansur, Manuel Hinterstein

  65. 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

  66. 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

  67. Interplay of strain mechanisms in morphotropic piezoceramics

    Article • Acta Materialia, August 2015, Elsevier

    Manuel Hinterstein

  68. Cyclic electric field response of morphotropic Bi1/2Na1/2TiO3-BaTiO3 piezoceramics

    Article • Applied Physics Letters, June 2015, American Institute of Physics

    Manuel Hinterstein

  69. 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

  70. Observation of the second-order magnetic and reentrant spin-glass transitions in LiNi0.5Mn0.5O2

    Article • Journal of Alloys and Compounds, March 2015, Elsevier

    Manuel Hinterstein

  71. Asymmetric first-order transition and interlocked particle state in magnetocaloric La(Fe,Si)13

    Article • physica status solidi (RRL) - Rapid Research Letters, January 2015, Wiley

    Manuel Hinterstein

  72. Lix(Al0.8Zn0.2) alloys as anode materials for rechargeable Li-ion batteries

    Article • Progress in Solid State Chemistry, December 2014, Elsevier

    Manuel Hinterstein

  73. Electric-field-induced paraelectric to ferroelectric phase transformation in prototypical polycrystalline BaTiO3

    Article • Applied Physics Letters, October 2014, American Institute of Physics

    Manuel Hinterstein

  74. The Impact of Heat Treatment on the Domain Configuration and Strain Behavior in Pb[Zr,Ti]O3 Ferroelectrics

    Article • Journal of the American Ceramic Society, October 2014, Wiley

    Manuel Hinterstein

  75. 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

  76. Correlation of macroscopic and structural properties in Piezoceramics

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

    Manuel Hinterstein

  77. Neutron diffraction on functional materials under electric field or mech. load

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

    Manuel Hinterstein

  78. 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

  79. Phase Transitions at high-pressure and structural description of the macroscopic ferroelectric properties of the Pb(Zr<inf>1−x</inf>Ti<inf>x</inf>)O<inf>3</inf> solid solution

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Manuel Hinterstein

  80. In situneutron diffraction on ferroelectrics under electric field

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2013, International Union of Crystallography

    Manuel Hinterstein

  81. Structural description of the macroscopic properties of lead zirconate titanate

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2013, International Union of Crystallography

    Manuel Hinterstein

  82. Structural investigations of initial and fatigued Bi1/2Na1/2TiO3−xBaTiO3piezoceramics

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2013, International Union of Crystallography

    Manuel Hinterstein

  83. 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

  84. Heat treatment effects on domain configuration and strain under electric field in undoped Pb[Zr<inf>x</inf>Ti<inf>1−x</inf>]O<inf>3</inf> ferroelectrics

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Manuel Hinterstein

  85. Relationships between Structural Changes and Electrochemical Kinetics of Li-Excess Li1.13Ni0.3Mn0.57O2 during the First Charge

    Article • The Journal of Physical Chemistry C, February 2013, American Chemical Society (ACS)

    Manuel Hinterstein

  86. Local structure, pseudosymmetry, and phase transitions in Na1/2

    Article • Physical Review B, January 2013, American Physical Society (APS)

    Manuel Hinterstein

  87. Structural phase transitions and electrical properties of (K Na1−)NbO3-based ceramics modified with Mn

    Article • Journal of the European Ceramic Society, December 2012, Elsevier

    Manuel Hinterstein

  88. Design of zeolite by inverse sigma transformation

    Article • Nature Materials, October 2012, Springer Science + Business Media

    Dr Eric Breynaert, Manuel Hinterstein

  89. Investigation of the Structure and Electrical Properties of (K x Na0.96−x Li0.04 )(Nb0.96−y ...

    Article • Journal of the American Ceramic Society, October 2012, Wiley

    Manuel Hinterstein

  90. Dielectric anomaly and magnetic properties of multiferroic GaFe0.75Mn0.25O3

    Article • Materials Letters, October 2012, Elsevier

    Manuel Hinterstein

  91. Poling behaviour of technical ferroelectrics studied by in-situ neutron diffraction

    Article • September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Manuel Hinterstein

  92. Structural origin of the ferroelectric fatigue in lead zirconate titanate (PZT)

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2012, International Union of Crystallography

    Manuel Hinterstein

  93. Structure and temperature-dependent phase transitions of lead-free Bi1/2Na1/2TiO3–Bi1/2K1/2TiO3–K0.5Na0.5NbO3 piezoceramics

    Article • Journal of Materials Research, July 2012, Springer Science + Business Media

    Manuel Hinterstein

  94. 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

  95. 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

  96. Neutron diffraction on functional materials using special sample environments

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

    Manuel Hinterstein

  97. Electrical and structural characterization of (KxNa1−x)NbO3ceramics modified with Li and Ta

    Article • Journal of Applied Crystallography, August 2011, International Union of Crystallography

    Manuel Hinterstein

  98. 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

  99. Structural investigations on lead-free Bi1/2Na1/2TiO3-based piezoceramics

    Article • Journal of Materials Science, March 2011, Springer Science + Business Media

    Manuel Hinterstein

  100. In situneutron diffraction study of electric field induced structural transitions in lanthanum doped lead zirconate titanate

    Article • Zeitschrift für Kristallographie - Crystalline Materials, February 2011, De Gruyter

    Manuel Hinterstein

  101. Temperature-dependent synchrotron powder diffraction phase studies of (K0.37Na0.52Li0.03)(Nb0.87Ta0.1Sb0.03)O3ferroelectric ceramics

    Article • Zeitschrift für Kristallographie - Crystalline Materials, February 2011, De Gruyter

    Manuel Hinterstein

  102. 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

  103. Comparative diffraction studies of lead-free piezoceramics

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

    Manuel Hinterstein

  104. Neutron diffraction on functional materials at extreme conditions

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

    Manuel Hinterstein

  105. 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

  106. 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

  107. Comparative study of two lead-free piezoceramics using diffraction techniques

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

    Manuel Hinterstein

  108. 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

  109. In situtransmission electron microscopy experiments on ferroelectric materials under electrical field

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

    Manuel Hinterstein

  110. Transmission electron microscopy of BNT-BTKNN

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

    Manuel Hinterstein

  111. Effect of doping on the poling behaviour of PbZrxTi1−xO3under electric field

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

    Manuel Hinterstein

  112. Nature of the morphotropic phase boundary (MPB) in lead zirconate titanate (PZT)

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

    Manuel Hinterstein

  113. High-temperature poling of ferroelectrics

    Article • Journal of Applied Physics, July 2008, American Institute of Physics

    Manuel Hinterstein

  114. Looking underneath fullerenes on Au(110): Formation of dimples in the substrate

    Article • Physical Review B, April 2008, American Physical Society (APS)

    Manuel Hinterstein

  115. Synchrotron Diffraction Study of Lithium Extraction from LiMn[sub 0.6]Fe[sub 0.4]PO[sub 4]

    Article • Electrochemical and Solid-State Letters, January 2005, The Electrochemical Society

    Manuel Hinterstein