Güdel, Hans-Ulrich

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Journal Article

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, 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

van der Kolk, E.; Dorenbos, P.; Krämer, Karl; Biner, Daniel; Güdel, Hans-Ulrich (2008). High-resolution luminescence spectroscopy study of down-conversion routes in NaGdF4:Nd3+ and NaGdF4:Tm3+ using synchrotron radiation. Physical review. B - condensed matter and materials physics, 77(12), p. 125110. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.77.125110

Rüegg, Ch.; Normand, B.; Matsumoto, M.; Furrer, A.; McMorrow, D. F.; Krämer, Karl W.; Güdel, Hans-Ulrich; Gvasaliya, S. N.; Mutka, H.; Boehm, M. (2008). Quantum Magnets under Pressure: Controlling Elementary Excitations in TlCuCl3. Physical review letters, 100(20), p. 205701. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.100.205701

Birowosuto, M. Danang; Dorenbos, Pieter; Krämer, Karl W.; Güdel, Hans-Ulrich (2008). Ce3+ activated LaBr3-xIx: High-light-yield and fast-response mixed halide scintillators. Journal of applied physics, 103(10), p. 103517. Melville, N.Y.: American Institute of Physics 10.1063/1.2930884

Birowosuto, M. Danang; Dorenbos, Pieter; de Haas, Johan T. M.; van Eijk, Carel W. E.; Krämer, Karl W.; Güdel, Hans-Ulrich (2008). Li-based thermal neutron scintillator research; Rb2LiYBr6:Ce3+ and other elpasolites. IEEE transactions on nuclear science, 55(3), pp. 1152-1155. New York, N.Y.: Professional Technical Group on Nuclear Science, Institute of Electrical and Electronics Engineers IEEE 10.1109/TNS.2008.922826

Birowosuto, M. Danang; Dorenbos, Pieter; Bizarri, G.; van Eijk, Carel W. E.; Krämer, Karl W.; Güdel, Hans-Ulrich (2008). Temperature dependent scintillation and luminescence characteristics of GdI3:Ce3+. IEEE transactions on nuclear science, 55(3), pp. 1164-1169. New York, N.Y.: Professional Technical Group on Nuclear Science, Institute of Electrical and Electronics Engineers IEEE 10.1109/TNS.2007.908581

Valiente, R.; Hernández, I.; Rodríguez, F.; Aguado, F.; Güdel, Hans-Ulrich; Krämer, Karl (2008). High-pressure induced absorption line narrowing in Cs3Yb2Cl9. Journal of Physics: Conference Series, 121(4), 042002. Bristol: Institute of Physics Publishing IOP 10.1088/1742-6596/121/4/042002

Birowosuto, M. Danang; Dorenbos, Pieter; de Haas, Johan; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2007). Thermal-neutron scintillator: Ce3+ activated Rb2LiYBr6. Journal of applied physics, 101(6), p. 66107. Melville, N.Y.: American Institute of Physics 10.1063/1.2713948

Birowosuto, Muhammad; Dorenbos, Pieter; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2007). Scintillation and luminescence properties of Ce3+ doped ternary cesium rare-earth halides. Physica status solidi. A - applications and materials science, 204(3), pp. 850-860. Weinheim: Wiley-VCH 10.1002/pssa.200622459

Aebischer, Olivier; Aebischer, Annina; Donnio, Bertrand; Bassam, Alameddine; Massoud, Dadras; Güdel, Hans-Ulrich; Guillon, Daniel; Jenny, Titus (2007). Controlling the lateral aggregation of perfluoroalkylated hexa-peri-hexabenzocoronenes. Journal of materials chemistry, 17(13), pp. 1262-1267. Cambridge: Royal Society of Chemistry 10.1039/b616057c

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

Waldmann, Oliver; Carver, Graham; Dobe, Chris; Sieber, Andreas; Güdel, Hans-Ulrich; Mutka, Hannu (2007). Direct Identification of the Minority and Majority Species in the Single-Molecule Magnet Mn12-Acetate by Inelastic Neutron Scattering (Communication). Journal of the American Chemical Society, 129(6), pp. 1526-1527. Washington, D.C.: American Chemical Society 10.1021/ja068375t

Grimm, Judith; Beurer, Eva; Gerner, Pascal; Güdel, Hans-Ulrich (2007). Upconversion Between 4f-5d Excited States in Tm2+-Doped CsCaCl3, CsCaBr3, and CsCaI3. Chemistry - a European journal, 13(4), pp. 1152-1157. Weinheim: Wiley-VCH 10.1002/chem.200600418

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; Imlau, Mirco; Weisemoeller, Thomas; Woike, Theo; Krämer, Karl; Güdel, Hans-Ulrich (2007). Photoinduced Nitrosyl Linkage Isomers Uncover a Variety of Unconventional Photorefractive Media (Communication). Advanced materials, 19(5), pp. 723-726. Weinheim: Wiley-VCH 10.1002/adma.200601378

Grimm, Judith; Wenger, Oliver; Krämer, Karl; Güdel, Hans-Ulrich (2007). 4f 4f and 4f 5d excited states and luminescence properties of Tm2+- doped CaF2, CaCl2, SrCl2 and BaCl2. Journal of luminescence, 126(2), pp. 590-596. Amsterdam: North-Holland 10.1016/j.jlumin.2006.10.007

Waldmann, Oliver; Bircher, Roland; Carver, Graham; Sieber, Andreas; Güdel, Hans-Ulrich; Mutka, Hannu (2007). Exchange-coupling constants, spin density map, and Q dependence of the inelastic neutron scattering intensity in single-molecule magnets. Physical review. B - condensed matter and materials physics, 75(17), p. 174438. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.75.174438

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

Birowosuto, Muhammad; Dorenbos, Pieter; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2007). Thermal quenching of Ce3+ emission in PrX3 (X = Cl, Br) by intervalence charge transfer. Journal of Physics: Condensed Matter, 19(25), p. 256209. Bristol: Institute of Physics Publishing IOP 10.1088/0953-8984/19/25/256209

Bircher, Roland; Abrahams, Brendan F.; Güdel, Hans-Ulrich; Boskovic, Colette (2007). Synthesis, structure and magnetic properties of a novel Tb4 spin cluster and synthesis of a Tb chain. Polyhedron, 26(13), pp. 3023-3028. Amsterdam: Elsevier 10.1016/j.poly.2007.02.003

Ochsenbein, Stefan; Waldmann, Oliver; Sieber, Andreas; Carver, Graham; Bircher, Roland; Güdel, Hans-Ulrich; Davies, Rachel; Timco, Grigore; Winpenny, Richard; Mutka, Hannu; Fernandez-Alonso, Felix (2007). Standing spin waves in an antiferromagnetic molecular Cr6 horseshoe. epl - a letters journal exploring the frontiers of physics, 79(1), p. 17003. France: Editions de Physique 10.1209/0295-5075/79/17003

Schnelzer, L; Waldmann, O; Horvati, M; Ochsenbein, S; Krämer, S; Berthier, C; Güdel, Hans-Ulrich; Pilawa, B (2007). Huge Transverse Magnetic Polarization in the Field-Induced Phase of the Antiferromagnetic Molecular Wheel CsFe8. Physical review letters, 99(8), p. 87201. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.99.087201

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

Satoshi, Koizumi; Masayuki, Nihei; Takuya, Shiga; Motohiro, Nakano; Hiroyuki, Nojiri; Bircher, Roland; Waldmann, Oliver; Ochsenbein, Stefan T.; Güdel, Hans-Ulrich; Fernandez-Alonso, Felix; Oshio, Hiroki (2007). A Wheel-Shaped Single-Molecule Magnet of [MnII3MnIII4]: Quantum Tunneling of Magnetization under Static and Pulse Magnetic Fields. Chemistry - a European journal, 13(30), pp. 8445-8453. Weinheim: Wiley-VCH 10.1002/chem.200700714

Beurer, Eva; Grimm, Judith; Gerner, Pascal; Güdel, Hans-Ulrich (2006). New Type of Near-Infrared to Visible Photon Upconversion in Tm2+-Doped CsCaI3 (Communication). Journal of the American Chemical Society, 128(10), pp. 3110-3111. Washington, D.C.: American Chemical Society 10.1021/ja0567790

Grimm, Judith; Suyver, J. Freek; Beurer, Eva; Carver, Graham; Güdel, Hans-Ulrich (2006). Light-Emission and Excited-State Dynamics in Tm2+ Doped CsCaCl3, CsCaBr3, and CsCaI3. Journal of physical chemistry - B, 110(5), pp. 2093-2101. Washington, D.C.: American Chemical Society 10.1021/jp055930p

Waldmann, Oliver; Carver, Graham; Dobe, Chris; Biner, Daniel; Sieber, Andreas; Güdel, Hans-Ulrich; Mutka, Hannu; Ollivier, J; Chakov, Nicole (2006). Magnetic relaxation studies on a single-molecule magnet by time-resolved inelastic neutron scattering. Applied physics letters, 88(4), p. 42507. Melville, N.Y.: American Institute of Physics 10.1063/1.2164409

Waldmann, Oliver; Dobe, Chris; Ochsenbein, Stefan; Güdel, Hans-Ulrich; Sheikin, Ilya (2006). Field-Induced Magnetoelastic Instabilities in Antiferromagnetic Molecular Wheels. Physical review letters, 96(2), p. 27206. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.96.027206

Low, David M.; Gopalan, Rajaraman; Helliwell, Madeleine; Grigore, Timco; Joris, van Slageren; Sessoli, Roberta; Ochsenbein, Stefan T.; Bircher, Roland; Dobe, Christopher; Waldmann, Oliver; Güdel, Hans-Ulrich; Adams, Mark A.; Eliseo, Ruiz; Santiago, Alvarez; McInnes, Eric J.L. (2006). A Family of Ferro- and Antiferromagnetically Coupled Decametallic Chromium(III) Wheels. Chemistry - a European journal, 12(5), pp. 1385-1396. Weinheim: Wiley-VCH 10.1002/chem.200501041

Suyver, J. Freek; Grimm, Judith; van Veen, Marieke; Biner, Daniel; Krämer, Karl; Güdel, Hans-Ulrich (2006). Upconversion spectroscopy and properties of NaYF4 doped with Er3+, Tm3+ and/or Yb3+. Journal of luminescence, 117(1), pp. 1-12. Amsterdam: North-Holland 10.1016/j.jlumin.2005.03.011

Dorenbos, Pieter; van Loef, E; Vink, A; van der Kolk, E; van Eijk, C; Krämer, Karl; Güdel, Hans-Ulrich; Higgins, W; Shah, K (2006). Level location and spectroscopy of Ce3+, Pr3+, Er3+, and Eu2+ in LaBr3. Journal of luminescence, 117(2), pp. 147-155. Amsterdam: North-Holland 10.1016/j.jlumin.2005.04.016

Bessière, Aurélie; Dorenbos, Pieter; van Eijk, Wilhelm; Krämer, Karl; Güdel, Hans-Ulrich; Galtayries, Anouk (2006). Scintillation and anomalous emission in elpasolite Cs2LiLuCl6:Ce3+. Journal of luminescence, 117(2), pp. 187-198. Amsterdam: North-Holland 10.1016/j.jlumin.2005.05.005

Bircher, Roland; Grégory, Chaboussant; Dobe, Chris; Güdel, Hans-Ulrich; Ochsenbein, Stefan T.; Sieber, Andreas; Waldmann, Oliver (2006). Single-Molecule Magnets Under Pressure. Advanced functional materials, 16(2), pp. 209-220. Weinheim: Wiley-VCH 10.1002/adfm.200500244

Birowosuto, M. Danang; Dorenbos, Pieter; de Haas, Johan; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2006). Optical spectroscopy and luminescence quenching of LuI3:Ce3+. Journal of luminescence, 118(2), pp. 308-316. Amsterdam: North-Holland 10.1016/j.jlumin.2005.09.001

Aebischer, Annina; Hostettler, Marc; Hauser, Jürg; Krämer, Karl; Weber, Thomas; Güdel, Hans-Ulrich; Bürgi, Hans-Beat (2006). Structural and Spectroscopic Characterization of Active Sites in a Family of Light-Emitting Sodium Lanthanide Tetrafluorides. Angewandte Chemie (International ed.), 45(17), pp. 2802-2806. Weinheim: Wiley-VCH 10.1002/anie.200503966

Waldmann, Oliver; Güdel, Hans-Ulrich; Kelly, Timothy; Thompson, Laurence (2006). The Mixed-Valent Manganese [3×3] Grid [Mn(III)4Mn(II)5(2poap-2H)6](ClO4)10 10H2O, a Mesoscopic Spin-1/2 Cluster. Inorganic chemistry, 45(8), pp. 3295-3300. Washington, D.C.: American Chemical Society 10.1021/ic052055d

Schaniel, Dominik; Woike, Theo; Schefer, Jürg; Petrícek, Vaclav; Krämer, Karl; Güdel, Hans-Ulrich (2006). Neutron diffraction shows a photoinduced isonitrosyl linkage isomer in the metastable state SI of Na2[Fe(CN)5NO] 2D2O. Physical review. B - condensed matter and materials physics, 73(17), p. 174108. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.73.174108

Krämer, Karl; Dorenbos, Pieter; Güdel, Hans-Ulrich; van Eijk, Eduard (2006). Development and characterization of highly efficient new cerium doped rare earth halide scintillator materials. Journal of materials chemistry, 16(27), pp. 2773-2780. Cambridge: Royal Society of Chemistry 10.1039/b602762h

Stüsser, Norbert; Mikhail, Sofin; Bircher, Roland; Güdel, Hans-Ulrich; Jansen, Martin (2006). Competing Magnetic Interactions in Na10Co4O10, Studied by Neutron Diffraction. Chemistry - a European journal, 12(21), pp. 5452-5457. Weinheim: Wiley-VCH 10.1002/chem.200600109

Sieber, Andreas; Foguet-Albiol, Dolos; Waldmann, Oliver; Ochsenbein, Stefan; Carver, Graham; Mutka, Hannu; Fernandez-Alonso, Felix; Mezouar, M; Weber, H; Christou, G; Güdel, Hans-Ulrich (2006). Pressure dependence of the exchange interaction in the dimeric single-molecule magnet [Mn4O3Cl4(O2CEt)3(py)3]2 from inelastic neutron scattering. Physical review. B - condensed matter and materials physics, 74(2), p. 24405. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.74.024405

Birowosuto, M. Danang; Dorenbos, Pieter; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2006). High-light-output scintillator for photodiode readout: LuI3:Ce3+. Journal of applied physics, 99(12), p. 123520. Melville, N.Y.: American Institute of Physics 10.1063/1.2207689

Birowosuto, Muhammad; Dorenbos, Pieter; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2006). Scintillation properties and anomalous Ce3+ emission of Cs2NaREBr6:Ce3+ (RE = La,Y,Lu). Journal of Physics: Condensed Matter, 18(26), 6133 6148. Bristol: Institute of Physics Publishing IOP 10.1088/0953-8984/18/26/031

Waldmann, Oliver; Dobe, Chris; Güdel, Hans-Ulrich; Mutka, Hannu (2006). Quantum dynamics of the Néel vector in the antiferromagnetic molecular wheel CsFe8. Physical review. B - condensed matter and materials physics, 74(5), p. 54429. Ridge, N.Y.: American Physical Society 10.1103/PhysRevB.74.054429

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

Aebischer, Olivier; Aebischer, Annina; Tondo, Patrick; Bassam, Alameddine; Massoud, Dadras; Güdel, Hans-Ulrich; Jenny, Titus (2006). Self-aggregated perfluoroalkylated hexa-peri-hexabenzocoronene fibers observed by cryo-SEM and fluorescence spectroscopy. Chemical communications, 40(40), pp. 4221-4223. Cambridge: Royal Society of Chemistry 10.1039/b609056g

Beurer, Eva; Grimm, Judith; Gerner, Pascal; Güdel, Hans-Ulrich (2006). Absorption, Light Emission, and Upconversion Properties of Tm2+-Doped CsCaI3 and RbCaI3. Inorganic chemistry, 45(24), pp. 9901-9906. Washington, D.C.: American Chemical Society 10.1021/ic061340+

Grimm, Judith; Beurer, Eva; Güdel, Hans-Ulrich (2006). Crystal Absorption Spectra in the Region of 4f-4f and 4f-5d Excitations in Tm2+-Doped CsCaCl3, CsCaBr3, and CsCaI3. Inorganic chemistry, 45(26), pp. 10905-10908. Washington, D.C.: American Chemical Society 10.1021/ic051951m

Birowosuto, M. Danang; Dorenbos, Pieter; van Eijk, Carel; Krämer, Karl; Güdel, Hans-Ulrich (2006). PrBr3: Ce3+: A New Fast Lanthanide Trihalide Scintillator. IEEE transactions on nuclear science, 53(5), pp. 3028-3030. New York, N.Y.: Professional Technical Group on Nuclear Science, Institute of Electrical and Electronics Engineers IEEE 10.1109/TNS.2006.880969

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

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

Book Section

Waldmann, Oliver; Carver, Graham; Dobe, Christopher; Biner, Daniel; Sieber, Andreas; Güdel, Hans-Ulrich; Mutka, Hannu; Ollivier, Jacques (2006). Magnetic relaxation in the single-molecule magnet Mn12ac. In: Annual Report 2005 (pp. 22-23). Grenoble: Institut Laue-Langevin

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

Conference or Workshop Item

Imlau, Mirco; Dieckmann, Volker; Weisemoeller, Thomas; Schaniel, Dominik; Woike, Theo; Krämer, Karl; Güdel, Hans-Ulrich (2007). Tuning Ability of Photosensitive ML5NO-Molecules. In: Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More (PR), October 14 16, 2007, California, USA (Paper SuC5). Washington: Optical Society of America

Patent

Stichting voor de technische Wetenschappen, Universite de Berne (2010). Scintillator based on lanthanum iodide and lanthanum bromide (US100224798)

Stichting voor de technische Wetenschappen, Universite de Berne (2007). High light yield fast scintillator (WO07031583)

Stichting voor de technische Wetenschappen, Universite de Berne (2005). Bright and fast neutron scintillators (WO05068585)

Stichting voor de technische Wetenschappen (2004). Rare-earth iodide scintillation crystals (WO04109333)

Stichting voor de technische Wetenschappen (2001). Scintillator Crystals, Method for making same, Use thereof (LaCl3:Ce) (WO0160944)

Stichting voor de technische Wetenschappen (2001). Scintillator crystals, method for making same, use thereof (LaBr3:Ce) (WO0160945)

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