Karl Krämer

Karl Krämer publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Karl Krämer sits on this spectrum.

Karl Krämer D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Karl Krämer sits on this spectrum.

Overview

Best Publications

• Hexagonal Sodium Yttrium Fluoride Based Green and Blue Emitting Upconversion Phosphors

  Karl Krämer;Daniel Biner;Gabriela Claudia Frei;Hans-Ulrich Güdel

  1395
  Citations

• Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion

  J.F. Suyver;A. Aebischer;Daniel Biner;P. Gerner

  876
  Citations

• Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+

  J.F. Suyver;J. Grimm;M.K. van Veen;D. Biner

  855
  Citations

• Application of NaYF 4 : Er 3 + up-converting phosphors for enhanced near-infrared silicon solar cell response

  A. Shalav;B. S. Richards;T. Trupke;Karl Krämer

  824
  Citations

• High-energy-resolution scintillator: Ce3+ activated LaBr3

  E. V. D. van Loef;P. Dorenbos;C. W. E. van Eijk;Karl Krämer

  783
  Citations

• Bose–Einstein condensation of the triplet states in the magnetic insulator TlCuCl3

  Ch. Rüegg;N. Cavadini;A. Furrer;Hans-Ulrich Güdel

  518
  Citations

• 50th anniversary of the Judd–Ofelt theory: An experimentalist's view of the formalism and its application

  Markus P. Hehlen;Mikhail G. Brik;Karl W. Krämer

  473
  Citations

• Scintillation properties of LaBr3:Ce3+ crystals: fast, efficient and high-energy-resolution scintillators

  E.V.D van Loef;P Dorenbos;C.W.E van Eijk;K.W Krämer

  440
  Citations

• Highly efficient near-infrared to visible up-conversion process in

  J.F. Suyver;J. Grimm;Karl Krämer;Hans-Ulrich Güdel

  394
  Citations

• Enhancement of silicon solar cell efficiency by upconversion: Optical and electrical characterization

  S. Fischer;J. C. Goldschmidt;P. Löper;G. H. Bauer

  311
  Citations

• Optical and scintillation properties of pure and Ce3+-doped Cs2LiYCl6 and Li3YCl6 : Ce3+ crystals

  C.M. Combes;P. Dorenbos;C.W.E. van Eijk;K.W. Krämer

  302
  Citations

• Structural and Spectroscopic Characterization of Active Sites in a Family of Light-Emitting Sodium Lanthanide Tetrafluorides

  Annina Aebischer;Marc Hostettler;Jürg Hauser;Karl Krämer

  299
  Citations

• Origin of the High Upconversion Green Luminescence Efficiency in β-NaYF4:2%Er3+,20%Yb3+

  C. Renero-Lecuna;R. Martín-Rodríguez;R. Valiente;J. González

  294
  Citations

• Efficient visible to infrared quantum cutting through downconversion with the Er3+–Yb3+ couple in Cs3Y2Br9

  J. J. Eilers;D. Biner;J. T. van Wijngaarden;K. Krämer

  258
  Citations

• Development and characterization of highly efficient new cerium doped rare earth halide scintillator materials

  K. W. Krämer;P. Dorenbos;H. U. Güdel;C. W. E. van Eijk

  218
  Citations

• Optical and scintillation properties of cerium-doped LaCl3, LuBr3 and LuCl3

  O. Guillot-Noël;J.T.M. de Haas;P. Dorenbos;C.W.E. van Eijk

  210
  Citations

• Highly Efficient IR to NIR Upconversion in Gd2O2S: Er3+ for Photovoltaic Applications

  Rosa Martín-Rodríguez;Stefan Fischer;Aruna Ivaturi;Benjamin Froehlich

  209
  Citations

• Improvement of γ-ray energy resolution of LaBr3:Ce3+ scintillation detectors by Sr2+ and Ca2+ co-doping

  M. S. Alekhin;J. T. M. de Haas;I. V. Khodyuk;Karl W. Krämer

  198
  Citations

• Scintillation and spectroscopy of the pure and Ce3+-doped elpasolites: Cs2LiYX6 (X = Cl, Br)

  E V D van Loef;P Dorenbos;C W E van Eijk;K W Krämer

  191
  Citations

• Quantum and classical criticality in a dimerized quantum antiferromagnet

  P. Merchant;B. Normand;Karl Krämer;M. Boehm

  182
  Citations

• Scintillation properties of LaCl/sub 3/:Ce/sup 3+/ crystals: fast, efficient, and high-energy resolution scintillators

  E.V.D. van Loef;L.P. Dorenbos;C.W.E. van Eijk;K. Kramer

  164
  Citations

• Visible light emission upon near-infrared excitation in a transparent solution of nanocrystalline β-NaGdF4: Yb3+, Er3+

  Annina Aebischer;Stephan Heer;Daniel Biner;Karl Krämer

  152
  Citations

• Photoinduced Nitrosyl Linkage Isomers Uncover a Variety of Unconventional Photorefractive Media

  Dominik Schaniel;Dominik Schaniel;Mirco Imlau;Thomas Weisemoeller;Theo Woike

  135
  Citations

• Plasmon enhanced upconversion luminescence near gold nanoparticles–simulation and analysis of the interactions

  Stefan Fischer;Florian Hallermann;Toni Eichelkraut;Gero von Plessen

  133
  Citations

• Level location and spectroscopy of Ce3+, Pr3+, Er3+, and Eu2+ in LaBr3

  P. Dorenbos;E.V.D. van Loef;A.P. Vink;E. van der Kolk

  116
  Citations

• Scintillation Properties of and Self Absorption in ${ m SrI}_{2}\!:\!{ m Eu}^{2+}$

  M. S. Alekhin;J. T. M. de Haas;K. W. Kramer;P. Dorenbos

  115
  Citations