Dr. Karl Krämer
Professor
Department of Chemistry and Biochemistry
Universität Bern
Switzerland
Biography
Dr. Karl Krämer was Born in the year 1962; Diploma studies in Chemistry, 1982-1988, University of Giessen (Germany); PhD Thesis, 1988-1991, University of Hannover (Germany); Postdoc, 1991-93, University of Bern (Switzerland); Senior scientist, 1993-2005, University of Bern; Lecturer since 1999, Habilitation 2014, University of Bern; Group leader in solid state chemistry since 2005, University of Berne.
Research Interest
Chemistry and crystal growth of rare-earth and transition metal halides; Upconversion phosphors and scintillator materials; Magnetic structures and excitations.
Publications
-
M. Granelli, A.M. Downward, R. Huber, L. Guénée, C. Besnard, K.W. Krämer, S. Decurtins, S.-X. Liu, L.K. Thompson, and A.F. Williams Dinuclear complexes formed by hydrogen bonds: synthesis, structure and magnetic and electrochemical properties Chem. Eur. J. (2017).
-
G. Tessitore, A.-V. Mudring, and K.W. Krämer Room temperature synthesis of β-NaGdF4: RE3+ (RE = Eu, Er) nanocrystallites and their luminescence J. Luminescence (2017) in print. DOI: 10.1016/j.jlumin.2017.13.021
-
Karl W. Krämer Resonance in Er3+ Upconversion Excitation J. Luminescence (2017) in print. DOI: 10.1016/j.jlumin.2016.11.056
-
P. Villanueva Delgado, D. Biner, and K.W. Krämer Judd-Ofelt analysis of β-NaGdF4: Yb3+, Tm3+ and β-NaGdF4:Er3+ single crystals J. Luminescence (2017) in print. DOI: 10.1016/j.jlumin.2016.04.023
-
S. Ward, P. Bouillot, C. Kollath, T. Giamarchi, K.P. Schmidt, et al Bound states and field-polarized Haldane modes in a quantum spin ladder Phys. Rev. Lett. 118 (2017) 177202. DOI: 10.1103/PhysRevLett.118.177202. arXiv:1609.00198v1