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Baker, Michael L.; Guidi, Tatiana; Carretta, Stefano; Ollivier, Jacques; Mutka, Hannu; Güdel, Hans U.; Timco, Grigore A.; McInnes, Eric J. L.; Amoretti, Giuseppe; Winpenny, Richard E.P.; Santini, Paolo (2012). Spin dynamics of molecular nanomagnets unravelled at atomic scale by four-dimensional inelastic neutron scattering. Nature physics, 8(12), pp. 906-911. Basingstoke: Nature Publishing Group 10.1038/nphys2431
Baker, Michael L.; Waldmann, Oliver; Piligkos, Stergios; Bircher, Roland; Cador, Olivier; Carretta, Stefano; Collison, David; Fernandez-Alonso, Felix; McInnes, Eric J.L.; Mutka, Hannu; Podlesnyak, Andrew; Tuna, Floriana; Ochsenbein, Stefan; Sessoli, Roberta; Sieber, Andreas; Timco, Grigore A.; Weihe, Høgni; Güdel, Hans-Ulrich; Winpenny, Richard E. P. (2012). Inelastic neutron scattering studies on the odd-membered antiferromagnetic wheel Cr8Ni. Physical review. B - condensed matter and materials physics, 86(6), 064405/1-11. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.86.064405
Baker, Michael L.; Rancan, Marzio; Tuna, Floriana; Timco, Grigore A.; Collison, David; Mutka, Hannu; Güdel, Hans-Ulrich; Pritchard, Robin J.; Winpenny, Richard E. P.; McInnes, Eric J. L. (2010). Synthesis and Structural, Magnetic and EPR Characterization of Discrete Finite Antiferromagnetic Chains. Applied magnetic resonance, 37(1-4), pp. 685-692. Wien: Springer 10.1007/s00723-009-0063-x
Dreiser, J.; Waldmann, O.; Dobe, C.; Carver, G.; Ochsenbein, S. T.; Sieber, A.; Güdel, H. U.; van Duijn, J.; Taylor, J.; Podlesnyak, A. (2010). Quantized antiferromagnetic spin waves in the molecular Heisenberg ring CsFe8. Physical review. B - condensed matter and materials physics, 81(2), 024408/1-024408/8. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.81.024408
Eilers, J. J.; Biner, D.; van Wijngaarden, J. T.; Krämer, K.; Güdel, H.-U.; Meijerink, A. (2010). Efficient visible to infrared quantum cutting through downconversion with the Er3+–Yb3+ couple in Cs3Y2Br9. Applied physics letters, 96(15), 151106/1-151106/3. Melville, N.Y.: American Institute of Physics 10.1063/1.3377909
Furrer, A.; Krämer, K. W.; Strassle, Th.; Biner, D.; Hauser, J.; Güdel, H. U. (2010). Magnetic and neutron spectroscopic properties of the tetrameric nickel compound [Mo12O28(m2-OH)9(m3-OH)3{Ni(H2O)3}4]·13H2O. Physical review. B - condensed matter and materials physics, 81(21), 214437/1-214437/10. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.81.214437
Dreiser, Jan; Waldmann, Oliver; Carver, Graham; Dobe, Christopher; Güdel, Hans-Ulrich; Weihe, Høgni; Barra, Anne-Laure (2010). High-Frequency Electron-Spin-Resonance Study of the Octanuclear Ferric Wheel CsFe8. Inorganic chemistry, 49(19), pp. 8729-8735. Washington, D.C.: American Chemical Society 10.1021/ic100664g
Häfliger, Petra S.; Ochsenbein, Stefan T.; Trusch, Bernhard; Güdel, Hans-Ulrich; Furrer, A. (2009). Spin dynamics in the manganese tetramer compound a-MnMoO4. Journal of Physics: Condensed Matter, 21(2), 026019 [1-7]. Bristol: Institute of Physics Publishing IOP 10.1088/0953-8984/21/2/026019
Thielemann, B.; Rüegg, Ch.; Rønnow, H. M.; Läuchli, A. M.; Caux, J.-S.; Normand, B.; Biner, D.; Krämer, K. W.; Güdel, H.-U.; Stahn, J.; Habicht, K.; Kiefer, K.; Boehm, M.; McMorrow, D. F.; Mesot, J. (2009). Direct Observation of Magnon Fractionalization in the Quantum Spin Ladder. Physical review letters, 102(10), p. 107204. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.102.107204
Waldmann, O.; Stamatatos, T. C.; Christou, G.; Güdel, H. U.; Sheikin, I.; Mutka, H. (2009). Quantum Phase Interference and Ne.acte.el-Vector Tunneling in Antiferromagnetic Molecular Wheels. Physical review letters, 102(15), p. 157202. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.102.157202
Valiente, R.; Rodríguez, F.; González, J.; Güdel, H. U.; Martín-Rodríguez, R.; Nataf, L.; Sanz-Ortiz, M. N.; Krämer, K. (2009). High pressure optical spectroscopy of Ce3+-doped Cs2NaLuCl6. Chemical physics, 481(1-3), pp. 149-151. Amsterdam: Elsevier 10.1016/j.cplett.2009.09.059
Braun, Hans-Benjamin; Kulda, Jiri; Roessli, Bertrand; Visser, Dirk; Krämer, Karl; Güdel, Hans-Ulrich; Böni, Peter (2007). Chiral quantum excitations in the anisotropic antiferromagnet CsCoBr3. Journal of Magnetism and Magnetic Materials, 310(2, Part 2), pp. 1194-1196. Amsterdam: North-Holland Publ. Co. 10.1016/j.jmmm.2006.10.307
Grimm, Judith; Fleniken, J; Krämer, Karl; Biner, Daniel; Happek, U; Güdel, Hans-Ulrich (2007). On the determination of photoionization thresholds of Ce3+ doped Cs3LuCl6, Cs2LiLuCl6 and Cs2LiYCl6 by thermoluminescence. Journal of luminescence, 122-123, pp. 325-328. Amsterdam: North-Holland 10.1016/j.jlumin.2006.01.164
Schaniel, Dominik; Benoit, Cormary; Malfant, Isabelle; Valade, Lydie; Woike, Theo; Delley, Bernard; Krämer, Karl W.; Güdel, Hans-Ulrich (2007). Photogeneration of two metastable NO linkage isomers with high populations of up to 76% in trans-[RuCl(py)4(NO)][PF6]2 1/2H2O. Physical Chemistry Chemical Physics, 9(28), pp. 3717-3724. Cambridge: Royal Society of Chemistry 10.1039/b704778a
Schaniel, Dominik; Woike, Theo; Delley, Bernard; Biner, Daniel; Krämer, Karl; Güdel, Hans-Ulrich (2007). Generation of one light-induced metastable nitrosyl linkage isomer in [Pt(NH3)4Cl(NO)]Cl2 in the red spectral range. Physical Chemistry Chemical Physics, 9(37), pp. 5149-5157. Cambridge: Royal Society of Chemistry 10.1039/b707912e
Maria Pires, Ana; Heer, Stephan; Ulrich Güdel, Hans; Osvaldo, Antonio Serra (2006). Er, Yb Doped Yttrium Based Nanosized Phosphors: Particle Size, "Host Lattice" and Doping Ion Concentration Effects on Upconversion Efficiency. Journal of fluorescence, 16(3), pp. 461-468. New York, N.Y.: Plenum Publ. 10.1007/s10895-006-0085-9
Mogare, Kailash; Sheptyakov, Denis; Bircher, Roland; Güdel, Hans-Ulrich; Jansen, Martin (2006). Neutron diffraction study of the magnetic structure of Na2RuO4. European physical journal. B - condensed matter and complex systems, 52(3), pp. 371-376. Les Ulis (F): EDP Sciences 10.1140/epjb/e2006-00316-5
Rüegg, Ch.; Normand, B.; Matsumoto, M.; Niedermayer, Ch.; Furrer, A.; Krämer, Karl; Güdel, Hans-Ulrich; Bourges, Ph.; Sidis, Y.; Mutka, H. (2005). Quantum Statistics of Interacting Dimer Spin Systems. Physical review letters, 95(26) American Physical Society 10.1103/PhysRevLett.95.267201
Suyver, J.F.; Aebischer, A.; Biner, Daniel; Gerner, P.; Grimm, J.; Heer, S.; Krämer, Karl; Reinhard, C.; Güdel, Hans-Ulrich (2005). Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion. Optical materials, 27(6), pp. 1111-1130. North-Holland 10.1016/j.optmat.2004.10.021
Bessiere, A.; Dorenbos, P.; van Eijk, C.W.E.; Krämer, Karl; Güdel, Hans-Ulrich; de Mello Donega, C.; Meijerink, A. (2005). Luminescence and scintillation properties of the small band gap compound LaI3:Ce3+. Nuclear instruments & methods in physics research. Section A - accelerators, spectrometers, detectors and associated equipment, 537(1-2), pp. 22-26. North-Holland 10.1016/j.nima.2004.07.224
Bessiere, A.; Dorenbos, P.; E. van Eijk, C.W.; Krämer, Karl; Güdel, Hans-Ulrich (2005). Luminescence and scintillation properties of CS2LiYCl6:Ce3+ for γ and neutron detection. Nuclear instruments & methods in physics research. Section A - accelerators, spectrometers, detectors and associated equipment, 537(1-2), pp. 242-246. North-Holland 10.1016/j.nima.2004.08.018
Schaniel, Dominik; Woike, Theo; Delley, Bernard; Boskovic, Colette; Biner, Daniel; Krämer, Karl; Güdel, Hans-Ulrich (2005). Long-lived light-induced metastable states in trans-[Ru(NH3)4(H2O)NO]Cl3·H2O and related compounds. Physical Chemistry Chemical Physics, 7(6), p. 1164. Royal Society of Chemistry 10.1039/b415435e
Suyver, J.F.; Grimm, J.; Krämer, Karl; Güdel, Hans-Ulrich (2005). Highly efficient near-infrared to visible up-conversion process in. Journal of luminescence, 114(1), pp. 53-59. North-Holland 10.1016/j.jlumin.2004.11.012
Braun, Hans-Benjamin; Kulda, Jiri; Roessli, Bertrand; Visser, Dirk; Krämer, Karl; Güdel, Hans-Ulrich; Böni, Peter (2005). Emergence of soliton chirality in a quantum antiferromagnet. Nature physics, 1(3), pp. 159-163. Nature Publishing Group 10.1038/nphys152
Shalav, A.; Richards, B. S.; Trupke, T.; Krämer, Karl; Güdel, Hans-Ulrich (2005). Application of NaYF[sub 4]:Er[sup 3+] up-converting phosphors for enhanced near-infrared silicon solar cell response. Applied physics letters, 86(1), 013505. American Institute of Physics 10.1063/1.1844592
Krämer, Karl; Biner, Daniel; Frei, Gabriela Claudia; Güdel, Hans-Ulrich; Hehlen, Markus P.; Lüthi, Stefan R. (2004). Hexagonal Sodium Yttrium Fluoride Based Green and Blue Emitting Upconversion Phosphors. Chemistry of materials, 16(7), pp. 1244-1251. American Chemical Society 10.1021/cm031124o
Reinhard, Christine; Krämer, Karl; Biner, Daniel; Güdel, Hans-Ulrich (2004). V3+ sensitized upconversion in Cs2NaScCl6:Pr3+;V3+ and K2NaScF6:Er3+;V3+. Journal of Alloys and Compounds, 374(1-2), pp. 133-136. Elsevier 10.1016/j.jallcom.2003.11.068
Rüegg, Ch; Cavadini, N; Furrer, A; Krämer, Karl; Güdel, Hans-Ulrich; Vorderwisch, P; Habicht, K; Mutka, H; Wildes, A (2004). Spin dynamics in the BEC phase of the S=1/2 quantum spin system TlCuCl3. Journal of Magnetism and Magnetic Materials, 272-276, pp. 195-196. North-Holland Publ. Co. 10.1016/j.jmmm.2003.11.075
Bessière, A; Dorenbos, P; Eijk, C W E van; Pidol, L; Krämer, Karl; Güdel, Hans-Ulrich (2004). Spectroscopy and anomalous emission of Ce doped elpasolite Cs 2 LiY Cl 6. Journal of Physics: Condensed Matter, 16(10), pp. 1887-1897. Institute of Physics Publishing IOP 10.1088/0953-8984/16/10/019
Rüegg, Ch.; Furrer, A.; Sheptyakov, D.; Strässle, Th.; Krämer, Karl; Güdel, Hans-Ulrich; Mélési, L. (2004). Pressure-Induced Quantum Phase Transition in the Spin-Liquid T l C u C l 3. Physical review letters, 93(25) American Physical Society 10.1103/PhysRevLett.93.257201
Strässle, Th.; Juranyi, F.; Schneider, M.; Janssen, S.; Furrer, A.; Krämer, Karl; Güdel, Hans-Ulrich (2004). Origin of Higher Order Magnetic Exchange: Evidence for Local Dimer Exchange Striction in CsMn 0.28 Mg 0.72 Br 3 Probed by Inelastic Neutron Scattering. Physical review letters, 92(25), p. 257202. American Physical Society 10.1103/PhysRevLett.92.257202
Bessiere, A.; Dorenbos, P.; van Eijk, C.W.E.; Krämer, Karl; Güdel, Hans-Ulrich (2004). New thermal neutron scintillators: Cs2LiYCl6 : Ce3+ and Cs2LiYBr6 : Ce3+. IEEE transactions on nuclear science, 51(5), pp. 2970-2972. Professional Technical Group on Nuclear Science, Institute of Electrical and Electronics Engineers IEEE 10.1109/TNS.2004.834957
Rüegg, Ch.; Oettli, M.; Schefer, J.; Zaharko, O.; Furrer, A.; Tanaka, H.; Krämer, Karl; Güdel, Hans-Ulrich; Vorderwisch, P.; Habicht, K.; Polinski, T.; Meissner, M. (2004). Neutron Scattering Study of the Field-Dependent Ground State and the Spin Dynamics in Spin-One-Half N H 4 C u C l 3. Physical review letters, 93(3), 037207. American Physical Society 10.1103/PhysRevLett.93.037207
Reinhard, Christine; Krämer, Karl; Biner, Daniel; Güdel, Hans-Ulrich (2004). Cooperative radiative and nonradiative effects in K[sub 2]NaScF[sub 6] codoped with V[sup 3+] and Er[sup 3+]. The Journal of Chemical Physics, 120(7), p. 3374. American Institute of Physics 10.1063/1.1640335
van Loef, E.V.D; Dorenbos, P; van Eijk, C.W.E; Krämer, Karl; Güdel, Hans-Ulrich (2003). Properties and mechanism of scintillation in LuCl3:Ce3+ and LuBr3:Ce3+ crystals. Nuclear instruments & methods in physics research. Section A - accelerators, spectrometers, detectors and associated equipment, 496(1), pp. 138-145. North-Holland 10.1016/S0168-9002(02)01634-0
Cavadini, N.; Andreica, D.; Gygax, F.N.; Schenck, A.; Krämer, Karl; Güdel, Hans-Ulrich; Mutka, H.; Wildes, A. (2003). Local spin susceptibility in KCuCl3. Physica B-Condensed Matter, 335(1-4), pp. 37-40. Elsevier 10.1016/S0921-4526(03)00186-8
van Loef, E. V. D.; Dorenbos, P.; van Eijk, C. W. E.; Krämer, Karl; Güdel, Hans-Ulrich (2003). Influence of the anion on the spectroscopy and scintillation mechanism in pure and Ce3+ -doped K2LaX5 and LaX3 (X = Cl, Br, I). Physical review. B - condensed matter and materials physics, 68(4) American Physical Society 10.1103/PhysRevB.68.045108
Gerner, Pascal; Krämer, Karl; Güdel, Hans-Ulrich (2003). Broad-band Cr5+-sensitized Er3+ luminescence in YVO4. Journal of luminescence, 102-103, pp. 112-118. North-Holland 10.1016/S0022-2313(02)00476-3
Rüegg, Ch.; Cavadini, N.; Furrer, A.; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H.; Wildes, A.; Habicht, K.; Vorderwisch, P. (2003). Bose–Einstein condensation of the triplet states in the magnetic insulator TlCuCl3. Nature, 423(6935), pp. 62-65. Macmillan Journals Ltd. 10.1038/nature01617
Dorenbos, P.; van Loef, E.V.D.; van Eijk, C.W.E.; Krämer, Karl; Güdel, Hans-Ulrich (2003). Anomalous 10-ns emission in Ce3+ -doped Cs3LuCl6. Physical review. B - condensed matter and materials physics, 68(12) American Physical Society 10.1103/PhysRevB.68.125108
Cavadini, N.; Rüegg, Ch.; Furrer, A.; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H.; Vorderwisch, P. (2002). Triplet excitations in low-Hc spin-gap systems KCuCl3 and TlCuCl3: An inelastic neutron scattering study. Physical review. B - condensed matter and materials physics, 65(13) American Physical Society 10.1103/PhysRevB.65.132415
Rüegg, Ch.; Cavadini, N.; Furrer, A.; Krämer, Karl; Güdel, Hans-Ulrich; Vorderwisch, P.; Mutka, H. (2002). Spin dynamics in the high-field phase of quantum-critical S =1/2 TlCuCl 3. Applied physics. A, Materials science & processing, 74, s840-s842. Springer-Verlag Heidelberg 10.1007/s003390101156
Heer, S.; Wermuth, M.; Krämer, Karl; Güdel, Hans-Ulrich (2002). Sharp 2E upconversion luminescence of Cr3+ in Y3Ga5O12 codoped with Cr3+ and Yb3+. Physical review. B - condensed matter and materials physics, 65(12) American Physical Society 10.1103/PhysRevB.65.125112
van Loef, E.V.D; Dorenbos, P; van Eijk, C.W.E; Krämer, Karl; Güdel, Hans-Ulrich (2002). Scintillation properties of LaBr3:Ce3+ crystals: fast, efficient and high-energy-resolution scintillators. Nuclear instruments & methods in physics research. Section A - accelerators, spectrometers, detectors and associated equipment, 486(1-2), pp. 254-258. North-Holland 10.1016/S0168-9002(02)00712-X
Allier, C.P; van Loef, E.V.D; Dorenbos, P; Hollander, R.W; van Eijk, C.W.E; Krämer, Karl; Güdel, Hans-Ulrich (2002). Readout of a LaCl3(Ce3+) scintillation crystal with a large area avalanche photodiode. Nuclear instruments & methods in physics research. Section A - accelerators, spectrometers, detectors and associated equipment, 485(3), pp. 547-550. North-Holland 10.1016/S0168-9002(01)02145-3
CAVADINI, N.; RüEGG, CH.; FURRER, A.; Güdel, Hans-Ulrich; Krämer, Karl; MUTKA, H.; WILDES, A.; HABICHT, K.; VORDERWISCH, P. (2002). TRIPLET MODES IN A QUANTUM SPIN LIQUID ACROSS THE CRITICAL FIELD. International Journal of Modern Physics B, 16(20n22), pp. 3302-3305. World Scientific 10.1142/S0217979202014243
Krämer, Karl; Güdel, Hans-Ulrich; Fischer, P.; Keller, L. (2002). Magnetic order in CeI 2. Applied physics. A, Materials science & processing, 74, s595-s597. Springer-Verlag Heidelberg 10.1007/s003390101124
Mackay Salley, G.; Wenger, Oliver S.; Krämer, Karl; Güdel, Hans-Ulrich (2002). Inorganic solid state optical materials: Major recent advances. Current opinion in solid state & materials science, 6(6), pp. 487-493. Current Science Ltd. 10.1016/S1359-0286(02)00024-4
Cavadini, N.; Heigold, G.; Henggeler, W.; Furrer, A.; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H. (2001). Magnetic excitations in the quantum spin system TlCuCl3. Physical review. B - condensed matter and materials physics, 63(17) American Physical Society 10.1103/PhysRevB.63.172414
van Loef, E. V. D.; Dorenbos, P.; van Eijk, C. W. E.; Krämer, Karl; Güdel, Hans-Ulrich (2001). High-energy-resolution scintillator: Ce[sup 3+] activated LaBr[sub 3]. Applied physics letters, 79(10), p. 1573. American Institute of Physics 10.1063/1.1385342
van Eijk, C.W.E.; Dorenbos, P.; van Loef, E.V.D.; Krämer, Karl; Güdel, Hans-Ulrich (2001). Energy resolution of some new inorganic-scintillator gamma-ray detectors. Radiation measurements, 33(5), pp. 521-525. Pergamon 10.1016/S1350-4487(01)00045-2
Schaniel, D.; Allenspach, P.; Furrer, A.; Krämer, Karl; Güdel, Hans-Ulrich (2001). Dimer splitting of Er3+ in Cs3Er2Br9. Journal of Alloys and Compounds, 323-324, pp. 481-485. Elsevier 10.1016/S0925-8388(01)01044-1
Krämer, Karl; Schenker, Ralph; Hauser, Jürg; Weihe, Høgni; Güdel, Hans-Ulrich; Bürgi, Hans-Beat (2001). Crystal Structures of (Et4N)3M2F9 (M = V, Cr, Fe) determined by X-Ray Single-Crystal and Powder Diffraction: A New Structure Type for A3M2X9 Compounds. Zeitschrift für anorganische und allgemeine Chemie, 627(11), pp. 2511-2516. Wiley-VCH 10.1002/1521-3749(200111)627:11<2511::AID-ZAAC2511>3.0.CO;2-J
Wenger, Oliver S.; Wickleder, Claudia; Krämer, Karl; Güdel, Hans-Ulrich (2001). Upconversion in a divalent rare earth ion: optical absorption and luminescence spectroscopy of Tm2+ doped SrCl2. Journal of luminescence, 94-95, pp. 101-105. North-Holland 10.1016/S0022-2313(01)00255-1
Heer, S.; Wermuth, M.; Krämer, Karl; Güdel, Hans-Ulrich (2001). Upconversion excitation of Cr3+2E emission in Y3Ga5O12 codoped with Cr3+ and Yb3+. Chemical physics letters, 334(4-6), pp. 293-297. North-Holland 10.1016/S0009-2614(00)01444-5
Heer, S.; Wermuth, M.; Krämer, Karl; Ehrentraut, D.; Güdel, Hans-Ulrich (2001). Up-conversion excitation of sharp Cr3+ 2E emission in YGG and YAG codoped with Cr3+ and Yb3+. Journal of luminescence, 94-95, pp. 337-341. North-Holland 10.1016/S0022-2313(01)00395-7
van Loef, E.V.D.; Dorenbos, L.P.; van Eijk, C.W.E.; Krämer, Karl; Güdel, Hans-Ulrich (2001). Scintillation properties of LaCl/sub 3/:Ce/sup 3+/ crystals: fast, efficient, and high-energy resolution scintillators. IEEE transactions on nuclear science, 48(3), pp. 341-345. Professional Technical Group on Nuclear Science, Institute of Electrical and Electronics Engineers IEEE 10.1109/23.940077
van Loef, E.V.D.; Dorenbos, P.; van Eijk, C.W.E.; Krämer, Karl; Güdel, Hans-Ulrich (2001). Optical and scintillation properties of pure and Ce3+ doped GdBr3. Optics communications, 189(4-6), pp. 297-304. Elsevier 10.1016/S0030-4018(01)01039-2
Larionova, Joulia; Gross, Mathias; Pilkington, Melanie; Andres, Hanspeter; Stoeckli-Evans, Helen; Güdel, Hans-Ulrich; Decurtins, Silvio (2000). High-Spin Molecules: A Novel Cyano-Bridged MnII9MoV6 Cluster with a S = 51/2 Ground State and Ferromagnetic Intercluster Ordering at Low Temperatures. Angewandte Chemie (International ed.), 39(9), pp. 1605-1609. Wiley-VCH 10.1002/(SICI)1521-3773(20000502)39:9<1605::AID-ANIE1605>3.0.CO;2-5
Krämer, Karl; Güdel, Hans-Ulrich; Fischer, P.; Fauth, F.; Fernandez-Diaz, M.T.; Hauß, T. (2000). Triangular antiferromagnetic order in the honeycomb layer lattice of. European physical journal. B - condensed matter and complex systems, 18(1), pp. 39-47. EDP Sciences 10.1007/s100510070075
Cavadini, N.; Rüegg, Ch.; Henggeler, Wolfgang; Furrer, A.; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H. (2000). Temperature renormalization of the magnetic excitations in S = 1/2 KCuCl3. European physical journal. B - condensed matter and complex systems, 18(4), pp. 565-571. EDP Sciences 10.1007/s100510070003
Cavadini, N; Heigold, G; Henggeler, Wolfgang; Furrer, Anja Christina; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H (2000). Quantum magnetic interactions in S = 1/2 KCuCl 3. Journal of Physics: Condensed Matter, 12(25), pp. 5463-5472. Institute of Physics Publishing IOP 10.1088/0953-8984/12/25/310
Andreica, D.; Cavadini, N.; Güdel, Hans-Ulrich; Gygax, F.N.; Krämer, Karl; Pinkpank, M.; Schenck, A. (2000). Muon-induced break up of spin-singlet pairs in the double-chain compound KCuCl3. Physica B-Condensed Matter, 289-290, pp. 176-180. Elsevier 10.1016/S0921-4526(00)00355-0
Krämer, Karl; Güdel, Hans-Ulrich; Roessli, B; Fischer, P; Dönni, A; Wada, N; Fauth, F; Fernandez-Diaz, M.T; Hauss, T (2000). Magnetic ordering in the erbium honeycomb lattices of ErX3 (X=Cl, Br, I). Physica B-Condensed Matter, 276-278, pp. 674-675. Elsevier 10.1016/S0921-4526(99)01724-X
Cavadini, N; Henggeler, W; Furrer, A; Güdel, Hans-Ulrich; Krämer, Karl; Mutka, H (2000). Magnetic excitations and spin gap in KCuCl3. Physica B-Condensed Matter, 276-278, pp. 540-542. Elsevier 10.1016/S0921-4526(99)01747-0
Burlot-Loison, R.; Pollnau, M.; Krämer, Karl; Egger, P.; Hulliger, Jürg; Güdel, Hans-Ulrich (2000). Laser-relevant spectroscopy and upconversion mechanisms of Er3+ in Ba2YCl7 pumped at 800 nm. Journal of the Optical Society of America. B - optical physics, 17(12), pp. 2055-2067. Optical Society of America 10.1364/JOSAB.17.002055
van Loef, E. V. D.; Dorenbos, P.; van Eijk, C. W. E.; Krämer, Karl; Güdel, Hans-Ulrich (2000). High-energy-resolution scintillator: Ce[sup 3+] activated LaCl[sub 3]. Applied physics letters, 77(10), pp. 1467-1468. American Institute of Physics 10.1063/1.1308053
Schaniel, D; Allenspach, P; Furrer, A; Krämer, Karl; Güdel, Hans-Ulrich (2000). Dimer splitting of Er3+ in Cs3Er2X9 (X=Cl,Br): mystery solved. Physica B-Condensed Matter, 276-278, pp. 690-691. Elsevier 10.1016/S0921-4526(99)01802-5
Moral, B. A.; Rodríguez, F.; Valiente, R.; Moreno, M.; Güdel, H. U. (1997). Local Structure of Cu2+ in the (C2H5NH3)2MCl4:Cu2+ (M = Cd, Mn) Layer Perovskites. Influence of Hydrostatic Pressure in the 0–60 kbar Range*. Zeitschrift für Physikalische Chemie, 201(1-2), pp. 151-158. Oldenbourg 10.1524/zpch.1997.201.Part_1_2.151
Andres, H. P.; Krämer, Karl; Güdel, Hans-Ulrich (1996). Optical absorption and luminescence spectroscopy of U3+ in K2LaX5 (X=Cl,Br,I). Physical review. B - condensed matter and materials physics, 54(6), pp. 3830-3840. American Physical Society 10.1103/PhysRevB.54.3830
Pollnau, M.; Lüthy, Willy; Weber, Heinz; Krämer, Karl; Güdel, Hans-Ulrich; McFarlane, R. A. (1996). Excited-state absorption in Er: BaY2F8 and Cs3Er2Br9 and comparison with Er: LiYF4. Applied physics. B, Lasers and optics, 62(4), pp. 339-344. Springer 10.1007/BF01081195
Giesbergen, C. P. M.; Middelhoek, R.; Frei, Gabriela Claudia; Güdel, Hans-Ulrich; Glasbeek, M. (1995). Picosecond Studies of Energy Transfer in Photoexcited Mixed Organometal Chelates. The journal of physical chemistry, 99(20), pp. 8177-8181. American Chemical Society 10.1021/j100020a046
Hehlen, Markus; Frei, Gabriela Claudia; Güdel, Hans-Ulrich (1994). Dynamics of infrared-to-visible upconversion in Cs3Lu2Br9:1%Er3+. Physical review. B - condensed matter and materials physics, 50(22), pp. 16264-16273. American Physical Society 10.1103/PhysRevB.50.16264
Juris, Alberto; Balzani, Vincenzo; Campagna, Sebastiano; Denti, Gianfranco; Serroni, Scolastica; Frei, Gabriela Claudia; Güdel, Hans-Ulrich (1994). Near-Infrared Luminescence of Supramolecular Species Consisting of Osmium(II)- and/or Ruthenium(II)-Polypyridine Components. Inorganic chemistry, 33(7), pp. 1491-1496. American Chemical Society 10.1021/ic00085a045
Giesbergen, C.P.M.; Terletski, C.; Frei, Gabriela Claudia; Güdel, Hans-Ulrich; Glasbeek, M. (1993). Optically detected magnetic resonance spectroscopy of rhodium (III) mixed-chelate complexes. Chemical physics letters, 213(5-6), pp. 597-602. North-Holland 10.1016/0009-2614(93)89167-G
Zilian, Arne; Frei, Gabriela Claudia; Güdel, Hans-Ulrich (1993). High-resolution laser spectroscopy of cyclometalated Rh (III)-thienylpyridine complexes. Chemical physics, 173(3), pp. 513-523. Elsevier 10.1016/0301-0104(93)80165-6
Giesbergen, C.P.M.; Sitters, R.; Frei, Gabriela Claudia; Zilian, A.; Güdel, Hans-Ulrich; Glasbeek, M. (1992). Excitation localization in mixed rhodium-chelates. Chemical physics letters, 197(4-5), pp. 451-456. North-Holland 10.1016/0009-2614(92)85799-G
Frei, Gabriela Claudia; Zilian, Arne; Raselli, Andrea; Güdel, Hans-Ulrich; Bürgi, Hans-Beat (1992). Structure and optical spectroscopy of bis(2-phenylpyridine)(2,2'-bipyridine) rhodium hexafluorophosphate and related complexes. Inorganic chemistry, 31(23), pp. 4766-4773. American Chemical Society 10.1021/ic00049a011
Frei, Gabriela Claudia; Colombo, Mirco G.; Güdel, Hans-Ulrich (1992). High-Resolution Optical Spectroscopy of Coordination Compounds. In: Williams, A.F.; Floriani, C.; Merbach, A.E. (eds.) Perspectives in Coordination Chemistry (pp. 183-201). Basel: Helvetica Chimica Acta
