All Stories

  1. Experimental and Theoretical Study of the Formation of Noble Gas Monoxide Cations in the Gas Phase

    Article • Inorganic Chemistry, October 2025, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  2. A comprehensive review on Y and Eu recovery from cathode-ray tube phosphors

    Article • Resources Conservation and Recycling, September 2025, Elsevier

    Dr Joaquim Marçalo

  3. Synthesis, Properties and Applications of Lanthanide and Actinide Molecular Compounds

    Article • Inorganics, December 2024, MDPI AG

    Dr Joaquim Marçalo

  4. Determination of rare earth elements in CRT phosphors and NdFeB magnets residues using an ED-XRF portable spectrometer to assist field semi-quantitative screening

    Article • Microchemical Journal, March 2024, Elsevier

    Dr Joaquim Marçalo

  5. Uranium Chemistry Based on a Bis(aryloxide) Cyclam Ligand: A Synthetic Pursuit to Activate Relevant Unsaturated Molecules

    Article • February 2024, World Scientific Pub Co Pte Lt

    Dr Joaquim Marçalo

  6. Unusual Actinyl Complexes with a Redox-Active N,S-Donor Ligand

    Article • Inorganic Chemistry, June 2023, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  7. Examining Interactions of Uranyl(VI) Ions with Amino Acids in the Gas Phase

    Article • Applied Sciences, March 2023, MDPI AG

    Dr Joaquim Marçalo

  8. The inert pair effect on heavy noble gases: insights from radon tetroxide

    Article • Physical Chemistry Chemical Physics, January 2023, Royal Society of Chemistry

    Dr Joaquim Marçalo

  9. Uranyl Analogue Complexes—Current Progress and Synthetic Challenges

    Article • Inorganics, August 2022, MDPI AG

    Dr Joaquim Marçalo

  10. A new krypton complex – experimental and computational investigation of the krypton sulphur pentafluoride cation, [KrSF5]+, in the gas phase

    Article • Physical Chemistry Chemical Physics, January 2022, Royal Society of Chemistry

    Dr Joaquim Marçalo

  11. Experimental and Computational Study of a Tetraazamacrocycle Bis(aryloxide) Uranyl Complex and of the Analogues {E═U═NR}2+ (E = O and NR)

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

    Dr Joaquim Marçalo

  12. Synthesis of 5H-chromeno[3,4-b]pyridines via DABCO-catalyzed [3 + 3] annulation of 3-nitro-2H-chromenes and allenoates

    Article • Organic & Biomolecular Chemistry, January 2021, Royal Society of Chemistry

    Dr Joaquim Marçalo, Teresa Pinho e Melo, Maria Isabel Soares

  13. Improving the selective extraction of lanthanides by using functionalised ionic liquids

    Article • Separation and Purification Technology, April 2020, Elsevier

    Dr Joaquim Marçalo

  14. Thermal stability and specific heats of coordinating ionic liquids

    Article • Thermochimica Acta, February 2020, Elsevier

    Dr Joaquim Marçalo

  15. CO2 conversion to phenyl isocyanates by uranium(vi) bis(imido) complexes

    Article • Chemical Communications, January 2020, Royal Society of Chemistry

    Dr Joaquim Marçalo

  16. Chemical evidence of the stability of praseodymium(v) in gas-phase oxide nitrate complexes

    Article • Chemical Communications, January 2019, Royal Society of Chemistry

    Dr Joaquim Marçalo

  17. Pentavalent Curium, Berkelium, and Californium in Nitrate Complexes: Extending Actinide Chemistry and Oxidation States

    Article • Inorganic Chemistry, July 2018, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  18. Divalent Actinides and Transactinides: Inorganic and Organometallic Complexes

    Article • June 2018, Wiley

    Dr Joaquim Marçalo

  19. On the Upper Limits of Oxidation States in Chemistry

    Article • Angewandte Chemie, February 2018, Wiley

    Dr Joaquim Marçalo

  20. Über Oxidationszahl-Obergrenzen in der Chemie

    Article • Angewandte Chemie, February 2018, Wiley

    Dr Joaquim Marçalo

  21. A magnetic study of a layered lanthanide hydroxide family: Ln8(OH)20Cl4·nH2O (Ln = Tb, Ho, Er)

    Article • Dalton Transactions, January 2018, Royal Society of Chemistry

    Dr Joaquim Marçalo

  22. Revealing Disparate Chemistries of Protactinium and Uranium. Synthesis of the Molecular Uranium Tetroxide Anion, UO4–

    Article • Inorganic Chemistry, March 2017, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  23. Synthesis, structure and bonding of actinide disulphide dications in the gas phase

    Article • Physical Chemistry Chemical Physics, January 2017, Royal Society of Chemistry

    Dr Joaquim Marçalo

  24. Synthesis and structural characterization of polynuclear divalent ytterbium complexes supported by a bis(phenolate) cyclam ligand

    Article • Polyhedron, November 2016, Elsevier

    Dr Joaquim Marçalo

  25. Synthesis and Hydrolysis of Uranyl, Neptunyl, and Plutonyl Gas-Phase Complexes Exhibiting Discrete Actinide–Carbon Bonds

    Article • Organometallics, May 2016, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  26. A novel samarium(ii) complex bearing a dianionic bis(phenolate) cyclam ligand: synthesis, structure and electron-transfer reactions

    Article • Dalton Transactions, January 2016, Royal Society of Chemistry

    Dr Joaquim Marçalo

  27. Amavadin and Homologues as Mediators of Water Oxidation

    Article • Angewandte Chemie, December 2015, Wiley

    Dr Joaquim Marçalo

  28. Amavadin and Homologues as Mediators of Water Oxidation

    Article • Angewandte Chemie, December 2015, Wiley

    Dr Joaquim Marçalo

  29. A Mononuclear Uranium(IV) Single-Molecule Magnet with an Azobenzene Radical Ligand

    Article • Chemistry - A European Journal, November 2015, Wiley

    Dr Joaquim Marçalo

  30. Uranium(III) Redox Chemistry Assisted by a Hemilabile Bis(phenolate) Cyclam Ligand: Uranium–Nitrogen Multiple Bond Formation Comprising a trans -{RN═U(VI)═NR} 2+ Complex

    Article • Inorganic Chemistry, September 2015, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  31. Oxidation of Actinyl(V) Complexes by the Addition of Nitrogen Dioxide Is Revealed via the Replacement of Acetate by Nitrite

    Article • Inorganic Chemistry, September 2015, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  32. Gas-Phase Reactions of Molecular Oxygen with Uranyl(V) Anionic Complexes—Synthesis and Characterization of New Superoxides of Uranyl(VI)

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

    Dr Joaquim Marçalo

  33. Magnetic Properties of the Layered Lanthanide Hydroxide Series Y x Dy 8-x (OH) 20 Cl 4 ·6H 2 O: From Single Ion Magnets to 2D and 3D Interaction Effects

    Article • Inorganic Chemistry, February 2015, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  34. Synthesis and hydrolysis of gas-phase lanthanide and actinide oxide nitrate complexes: a correspondence to trivalent metal ion redox potentials and ionization energies

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

    Dr Joaquim Marçalo

  35. Crystal structure of bis[1-{(3,5-dimethyl-1H-pyrazol-1-yl)methyl}-3,5-dimethyl-1H-pyrazol-2-ium] hexachlorouranate(IV): [H2C(3,5-Me2pz)(3,5-Me2pzH)]2[UCl6]

    Article • Journal of Structural Chemistry, January 2015, Pleiades Publishing Ltd

    Dr Joaquim Marçalo

  36. Dissociation of Gas-Phase Bimetallic Clusters as a Probe of Charge Densities: The Effective Charge of Uranyl

    Article • The Journal of Physical Chemistry A, March 2014, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  37. Oxo-Exchange of Gas-Phase Uranyl, Neptunyl, and Plutonyl with Water and Methanol

    Article • Inorganic Chemistry, February 2014, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  38. Metal-organic frameworks based on uranyl and phosphonate ligands

    Article • Acta Crystallographica Section B Structural Science Crystal Engineering and Materials, January 2014, International Union of Crystallography

    Dr Filipe A. Almeida Paz, Dr Joaquim Marçalo

  39. Two-electron versus one-electron reduction of chalcogens by uranium(iii): synthesis of a terminal U(v) persulfide complex

    Article • Chemical Science, January 2014, Royal Society of Chemistry

    Dr Joaquim Marçalo

  40. Zero-field slow magnetic relaxation in a uranium(iii) complex with a radical ligand

    Article • Chemical Communications, January 2014, Royal Society of Chemistry

    Manuel Almeida, Dr Joaquim Marçalo

  41. Gas-Phase Ion Chemistry of Rare Earths and Actinides

    Article • January 2014, Elsevier

    Dr Joaquim Marçalo

  42. Synthesis and Properties of Uranium Sulfide Cations. An Evaluation of the Stability of Thiouranyl, {S═U═S} 2+

    Article • Inorganic Chemistry, December 2013, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  43. Thorium and Uranium Carbide Cluster Cations in the Gas Phase: Similarities and Differences between Thorium and Uranium

    Article • Inorganic Chemistry, October 2013, American Chemical Society (ACS)

    Dr Joaquim Marçalo, Dr. António P. Gonçalves

  44. A 2D Layered Lanthanide Hydroxide Showing Slow Relaxation of Magnetization - Dy8(OH)20Cl4·6H2O

    Article • European Journal of Inorganic Chemistry, September 2013, Wiley

    Dr Joaquim Marçalo

  45. Preparation of dense 13C pellets using spark plasma sintering technique

    Article • Materials Research Innovations, June 2013, Taylor & Francis

    Dr Joaquim Marçalo, Dr. António P. Gonçalves

  46. Diamine Bis(phenolate) as Supporting Ligands in Organoactinide(IV) Chemistry. Synthesis, Structural Characterization, and Reactivity of Stable Dialkyl Derivatives

    Article • Organometallics, March 2013, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  47. Rare earth metal complexes anchored on a new dianionic bis(phenolate)dimethylamineCyclam ligand

    Article • Journal of Organometallic Chemistry, March 2013, Elsevier

    Dr Joaquim Marçalo

  48. Crystal structure diversity in the bis[hydrotris(3,5-dimethylpyrazolyl)borate]iodouranium(iii) complex: from neutral to cationic forms

    Article • Dalton Transactions, January 2013, Royal Society of Chemistry

    Manuel Almeida, Dr Joaquim Marçalo

  49. Gas-Phase Reaction Studies of Dipositive Hafnium and Hafnium Oxide Ions: Generation of the Peroxide HfO 2 2+

    Article • The Journal of Physical Chemistry A, December 2012, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  50. On the Origins of Faster Oxo Exchange for Uranyl(V) versus Plutonyl(V)

    Article • Journal of the American Chemical Society, September 2012, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  51. Gas-Phase Uranyl, Neptunyl, and Plutonyl: Hydration and Oxidation Studied by Experiment and Theory

    Article • Inorganic Chemistry, June 2012, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  52. Gas-Phase Oxidation Reactions of Ta 2+ : Synthesis and Properties of TaO 2+ and TaO 2 2+

    Article • The Journal of Physical Chemistry A, April 2012, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  53. Uranium(III, IV) and thorium(IV) pyrazolylmethane complexes: Synthesis and structures

    Article • Inorganica Chimica Acta, April 2012, Elsevier

    Dr Joaquim Marçalo

  54. Infrared Spectra of Rh12C and Rh13C in Solid Neon and Solid Argon

    Article • Chemical Physics Letters, March 2012, Elsevier

    Dr Joaquim Marçalo, Dr. António P. Gonçalves

  55. Additions and corrections

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Dr Stephan P. A. Sauer, Dr Joaquim Marçalo, professor Wojciech Gadomski, Professor Hicham Idriss

  56. Single-ion magnet behaviour in [U(TpMe2)2I]

    Article • Dalton Transactions, January 2012, Royal Society of Chemistry

    Manuel Almeida, Dr Joaquim Marçalo

  57. [U(Tp Me2 ) 2 (bipy)] + : A Cationic Uranium(III) Complex with Single-Molecule-Magnet Behavior

    Article • Inorganic Chemistry, October 2011, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  58. Infrared spectra and quantum chemical calculations of the uranium-carbon molecules UC, CUC, UCH, and U(CC)2

    Article • The Journal of Chemical Physics, June 2011, American Institute of Physics

    Dr Joaquim Marçalo, Dr. António P. Gonçalves

  59. Hydration of gas-phase ytterbium ion complexes studied by experiment and theory

    Article • Theoretical Chemistry Accounts, February 2011, Springer Science + Business Media

    Dr Joaquim Marçalo

  60. Gas-Phase Reactions of the Bare Th 2+ and U 2+ Ions with Small Alkanes, CH 4 , C 2 H 6 , and C 3 H 8 : Experimental and Theoretical Study of Elementary Organoactinide Chemistry

    Article • Journal of the American Chemical Society, February 2011, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  61. Gas-phase reactions of doubly charged actinide cations with alkanes and alkenes—probing the chemical activity of 5f electrons from Th to Cm

    Article • Physical Chemistry Chemical Physics, January 2011, Royal Society of Chemistry

    Dr Joaquim Marçalo

  62. Actinide sulfides in the gas phase: experimental and theoretical studies of the thermochemistry of AnS (An = Ac, Th, Pa, U, Np, Pu, Am and Cm)

    Article • Physical Chemistry Chemical Physics, January 2011, Royal Society of Chemistry

    Dr Joaquim Marçalo

  63. Infrared Spectra and Quantum Chemical Calculations of the Uranium Carbide Molecules UC and CUC with Triple Bonds

    Article • Journal of the American Chemical Society, June 2010, American Chemical Society (ACS)

    Dr Joaquim Marçalo, Dr. António P. Gonçalves

  64. Gas-Phase Reactions of Uranate Ions, UO 2 − , UO 3 − , UO 4 − , and UO 4 H − , with Methanol: a Convergence of Experiment and Theory

    Article • Inorganic Chemistry, April 2010, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  65. Molecular Spectroscopy and Reactions of Actinides in the Gas Phase and Cryogenic Matrices

    Article • January 2010, Springer Science + Business Media

    Dr Joaquim Marçalo

  66. Thermochemistry of Elementary Actinide Sulfide Molecules: A Gas-Phase Study of Curium Sulfide

    Article • MRS Proceedings, January 2010, Cambridge University Press

    Dr Joaquim Marçalo

  67. Gas-Phase Energetics of Actinide Oxides: An Assessment of Neutral and Cationic Monoxides and Dioxides from Thorium to Curium †

    Article • The Journal of Physical Chemistry A, November 2009, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  68. Molecular Uranates: Laser Synthesis of Uranium Oxide Anions in the Gas Phase

    Article • Inorganic Chemistry, June 2009, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  69. Gas-Phase Reactions of Doubly Charged Lanthanide Cations with Alkanes and Alkenes. Trends in Metal(2+) Reactivity

    Article • The Journal of Physical Chemistry A, December 2008, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  70. Gas-Phase Oxidation of Cm + and Cm 2+ − Thermodynamics of Neutral and Ionized CmO

    Article • The Journal of Physical Chemistry A, November 2008, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  71. Gas-Phase Reactions of Hydrocarbons with An + and AnO + (An = Th, Pa, U, Np, Pu, Am, Cm):  The Active Role of 5f Electrons in Organoprotactinium Chemistry

    Article • Organometallics, July 2007, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  72. FTICR/MS studies of gas-phase actinide ion reactions: fundamental chemical and physical properties of atomic and molecular actinide ions and neutrals

    Article • Zeitschrift für Physik D, May 2007, Springer Science + Business Media

    Dr Joaquim Marçalo

  73. Identification of 7,4′-Dihydroxy-5-methoxyflavylium in “Dragon's Blood”: To Be or Not To Be an Anthocyanin

    Article • Chemistry - A European Journal, February 2007, Wiley

    Dr Joaquim Marçalo

  74. Actinide-Transition Metal Heteronuclear Ions and Their Oxides: {IrUO}+ as an Analogue to Uranyl

    Article • European Journal of Inorganic Chemistry, September 2006, Wiley

    Dr Joaquim Marçalo

  75. Oxidation of Gas-Phase Protactinium Ions, Pa + and Pa 2+ :  Formation and Properties of PaO 2 2+ (g), Protactinyl

    Article • The Journal of Physical Chemistry A, May 2006, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  76. New developments in gas-phase actinide ion chemistry

    Article • Coordination Chemistry Reviews, April 2006, Elsevier

    Dr Joaquim Marçalo

  77. Comment on “Controversy on the First Ionization Potential of PuO 2 (Nearly) Settled by New Experimental Evidence”

    Article • The Journal of Physical Chemistry A, March 2006, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  78. Determination of the ionization energy of NpO2 and comparative ionization energies of actinide oxides

    Article • Journal of Nuclear Materials, September 2005, Elsevier

    Dr Joaquim Marçalo

  79. Oxidation Studies of Dipositive Actinide Ions, An 2+ (An = Th, U, Np, Pu, Am) in the Gas Phase:  Synthesis and Characterization of the Isolated Uranyl, Neptunyl, and Plutonyl Ions UO 2 2+ (g), NpO 2 2+ (g), and PuO 2 2+ (g)

    Article • The Journal of Physical Chemistry A, March 2005, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  80. The uranium–nitrogen bond in U(iv) complexes supported by the hydrotris(3,5-dimethylpyrazolyl)borate ligand

    Article • Dalton Transactions, January 2005, Royal Society of Chemistry

    Dr Joaquim Marçalo

  81. Synthesis and characterization of samarium, europium and ytterbium aryloxides

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

    Dr Joaquim Marçalo

  82. Gas-phase reactions of lanthanide cations with alcohols

    Article • International Journal of Mass Spectrometry, May 2004, Elsevier

    Dr Joaquim Marçalo

  83. FTICR-MS study of the gas-phase thermochemistry of americium oxides

    Article • International Journal of Mass Spectrometry, August 2003, Elsevier

    Dr Joaquim Marçalo

  84. Europium(II) and ytterbium(II) aryloxide chemistry: synthesis and crystal structure of [Eu(OC6H3But2-2,6)2(THF)3]·0.75C7H8 and [Yb(OC6H3But2-2,6)2(NCMe)4]

    Article • Polyhedron, June 2003, Elsevier

    Dr Joaquim Marçalo

  85. Gas-Phase Oxidation Reactions of Neptunium and Plutonium Ions Investigated via Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

    Article • The Journal of Physical Chemistry A, August 2002, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  86. Organolanthanide chemistry in the gas phase

    Article • Journal of Organometallic Chemistry, March 2002, Elsevier

    Dr Joaquim Marçalo

  87. Gas-phase reactivity of lanthanide and actinide cations with the archetypal organometallic complexes Fe(CO)5 and Fe(C5H5)2

    Article • Journal of Organometallic Chemistry, August 2001, Elsevier

    Dr Joaquim Marçalo

  88. Synthesis and characterization of polynuclear lanthanide aryloxides

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

    Dr Joaquim Marçalo

  89. Gas phase reactivity of rare earth metal cations with trialkylorthoformates: synthesis of neutral rare earth alkoxides

    Article • International Journal of Mass Spectrometry, January 2000, Elsevier

    Dr Joaquim Marçalo

  90. Formation of some transition metal oxide cluster anions and reactivity towards methanol in the gas phase

    Article • International Journal of Mass Spectrometry, April 1999, Elsevier

    Dr Joaquim Marçalo

  91. Gas-phase reactivity of rare earth cations with phenol: Competitive activation of C-O, O-H, and C-H bonds

    Article • Journal of the American Society for Mass Spectrometry, October 1998, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  92. Synthesis and characterization of rhenium complexes with the stabilizing ligand tetrakis(pyrazol-1-yl)borate

    Article • Inorganic Chemistry, November 1993, American Chemical Society (ACS)

    Dr Joaquim Marçalo

  93. Bis[hydrotris(pyrazolyl)borate] thorium(IV) complexes: Synthesis and characterization of alkyl, thiolate, alkoxide and aryloxide derivatives and the x-ray crystal structure of Th(HBPz3)2(OPh)2

    Article • Polyhedron, January 1992, Elsevier

    Dr Joaquim Marçalo

  94. Synthesis and characterization of UCl2[HB(3,5-Me2pz)3](3,5-Me2pz) and MCl3[HB(3,5-Me2pz)3](3,5-Me2pzH) (M=U(IV) and Th(IV); pz=pyrazolyl)

    Article • Inorganica Chimica Acta, December 1987, Elsevier

    Dr Joaquim Marçalo

  95. U(IV) and Th(IV) hydrotris(3,5-dimethylpyrazolyl)borate complexes with asymmetric metal centres

    Article • Inorganica Chimica Acta, December 1987, Elsevier

    Dr Joaquim Marçalo

  96. Preface

    Article • Inorganica Chimica Acta, December 1987, Elsevier

    Dr Joaquim Marçalo

  97. Alkoxide and aryloxide derivatives of actinide(IV) polypyrazolylborates. Part I. Uranium(IV) and thorium(IV) hydrotris(3,5-dimethylpyrazol-1-yl)borate complexes

    Article • Inorganica Chimica Acta, November 1987, Elsevier

    Dr Joaquim Marçalo

  98. Alkoxide and aryloxide derivatives of actinide(IV) polypyrazolylborates. Part II. Uranium(IV) bis[hydrotris(pyrazol-1-yl)borate] complexes

    Article • Inorganica Chimica Acta, November 1987, Elsevier

    Dr Joaquim Marçalo

  99. Some reactions of hydrotris(3,5-dimethylpyrazolyl)-borato trichloroactinides(IV), MCl3(HBL3)·THF (M ≡ ThIV, UIV; L ≡ 3,5-dimethylpyrazolyl, THF ≡ tetrahydrofuran)

    Article • Journal of the Less Common Metals, August 1986, Elsevier

    Dr Joaquim Marçalo

  100. Evidence for cathodic electrodeposition of radon species

    Article • Journal of Radioanalytical and Nuclear Chemistry, July 1984, Springer Science + Business Media

    Dr Joaquim Marçalo