H. P. Andres, S. Decurtins and H. U. Güdel
Neutron Scattering of Molecular Magnets
in "Frontiers of Neutron Scattering", A. Furrer (ed.)
World Scientific, Singapore, 149-167 (2000)      Abstract           

M. F. Hazenkamp, A. C. Stueckl, E. Cavalli and H. U. Güdel and
Optical Spectroscopy and Density Functional Calculations of Chromium(V)-Doped YVO₄ and YPO₄: Influence of the Second Coordination Sphere
Inorg. Chem. 39, 251-254 (2000)      Abstract                 

M. Pollnau, D. R. Gamelin, S. R. Lüthi, H. U. Güdel and M. P. Hehlen
Power dependence of upconversion luminescence in lanthanide and transition-metal-ion systems
Phys. Rev. B 61, 3337-3346 (2000)      Abstract                 

Høgni Weihe, Hans U. Güdel and Hans Toftlund
Superexchange in Magnetic Insulators: An Interpretation of the Metal-Metal Charge Transfer Energy in the Anderson Theory
Inorg. Chem. 39, 1351-1362 (2000)      Abstract                 

N. Cavadini, W. Henggeler, A. Furrer, H.-U. Güdel, K. Krämer and H. Mutka
Magnetic excitations and spin gap in KCuCl₃
Physica B 540, 276-278 (2000)      Abstract                 

K. W. Krämer, H. U. Güdel, B. Roessli, P. Fischer, A. Dönni, N. Wada, F. Fauth, M. T. Fernandez-Diaz and T. Hauss
Magnetic ordering in the erbium honeycomb lattices of ErX₃ (X=Cl, Br ,I)
Physica B 276-278, 674-675 (2000)      Abstract                 

D. Schaniel, P. Allenspach, A. Furrer, K. Krämer and H. U. Güdel
Dimer splitting of Er³⁺ in Cs₃Er₂X₉ (X = Cl, Br): mystery solved
Physica B 276-278, 690-691 (2000)      Abstract                 

I. Mirebeau, M. Hennion, H. Casalta, H. Andres, H. U. Güdel, V. Irodova and A. Caneschi
The Mn₁₂-acetate spin cluster
ILL Annual Report 99, 48-49 (2000)      Abstract                 

Daniel R. Gamelin and Hans U. Güdel
Design of Luminescent Inorganic Materials: New Photophysical Processes Studied by Optical Spectroscopy
Acc. Chem. Res. 33, 235-242 (2000)      Abstract                 

Rafael Valiente, Oliver Wenger and Hans U. Güdel
New photon upconversion processes in Yb³⁺ doped CsMnCl₃ and RbMnCl₃
Chem. Phys. Lett. 320, 639-644 (2000)      Abstract                 

Joulia Larionova, Mathias Gross, Melanie Pilkington, Hanspeter Andres, Helen Stoeckli-Evans, Hans U. Güdel and Silvio Decurtins
High-Spin Molecules: A Novel Cyano-Bridged Mn^II₉Mo^V₆ Molecular Cluster with a S = 51/2 Ground State and Ferromagnetic Intercluster Ordering at Low Temperatures
Angew. Chem. 112, 1667-1672 (2000)      Abstract                 
Angew. Chemie Int. Ed. 39, 1605-1609 (2000)      Abstract                 

Markus Wermuth and Hans U. Güdel
NIR to VIS up-conversion in Os⁴⁺-doped halide
J. Lumin. 87-89, 1014-1016 (2000)      Abstract                 

Hans U. Güdel and Markus Pollnau
Near-infrared to visible photon upconversion processes in lanthanide doped chloride, bromide and iodide lattices
J. Alloys Comp. 303-304, 307-315 (2000)      Abstract                 

Andreas Loosli, Markus Wermuth and Hans-Ueli Güdel, Silvia Capelli, Jürg Hauser and Hans-Beat Bürgi
Crystal Structure and Optical Spectroscopy of Er₂[Pt(CN)₄]₃·21H₂O and Er₂[Pt(CN)₄]₂·SO₄·11.5H₂O
Inorg. Chem. 39, 2289-2293 (2000)      Abstract                       

N. Cavadini, G. Heigold, W. Henggeler, A. Furrer, H.-U. Güdel, K. Krämer and H. Mutka
Quantum magnetic interactions in S=1/2 KCuCl₃
J. Phys.: Condens. Matter 12, 5463-5472 (2000)      Abstract                 

A. Furrer and H.-U. Güdel
Spin-wave excitations in finite chain segments in the diluted one-dimensional Heisenberg antiferromagnet CsMn_1-xMg_xBr₃
Eur. Phys. J. B 16, 81-84 (2000)      Abstract                 

Oliver S. Wenger, Daniel R. Gamelin, Hans U. Güdel, Andrei V. Butashin and Alexander A. Kaminskii
Site-selective yellow to violet and near-infrared to green upconversion in BaLu₂F₈:Nd³⁺
Phys. Rev. B 61, 16530-16537 (2000)      Abstract                 

Markus Wermuth and Hans U. Güdel
Lifetime determination of intermediate excited electronic states via up-conversion using sequences of square-wave excitation pulses
Chem. Phys. Lett. 323, 514-521 (2000)      Abstract                 

Oliver S. Wenger, Daniel R. Gamelin and Hans U. Güdel
Chemical Modification of Transition Metal Upconversion Properties: Exchange Enhancement of Ni³⁺ Upconversion Rates in Ni²⁺:RbMnCl₃
J. Am. Chem. Soc. 122, 7408-7409 (2000)      Abstract                 

Høgni Weihe and Hans U. Güdel
Magnetic Exchange Across the Cyanide Bridge
Comments Inorg. Chem. 22, 75-103 (2000)      Abstract           

D. Andreica, N. Cavadini, H. U. Güdel, F. N. Gygax, K. Krämer, M. Pinkpank and A. Schenck
Muon-induced break up of spin-singlet pairs in the double-chain compound KCuCl₃
Physica B 289-290, 176-180 (2000)      Abstract                 

E. V. D. van Loef, P. Dorenbos and C. W. E. van Eijk, K. Krämer and H. U. Güdel
High-energy-resolution scintillator: Ce³⁺ activated LaCl₃
Appl. Phys. Lett. 77, 1467-1468 (2000)      Abstract                 

R. Burlot-Loison, M. Pollnau, K. Krämer, P. Egger, J. Hulliger and H. U. Güdel
Laser-relevant spectroscopy and upconversion mechanisms of Er³⁺ in Ba₂YCl₇ pumped at 800 nm
J. Opt. Soc. Am. B 17, 2055-2067 (2000)      Abstract                 

Daniel R. Gamelin and Hans U. Güdel
Excited-State Dynamics and Sequential Two-Photon Upconversion Excitation of Mo³⁺-Doped Chloro- and Bromo-elpasolites
J. Phys. Chem. B 104, 10222-10234 (2000)      Abstract                 

K. W. Krämer, H. U. Güdel, P. Fischer, F. Fauth, M. T. Fernandez-Diaz and T. Hauss
Triangular antiferromagnetic order in the honeycomb layer lattice of ErCl₃
Eur. Phys. J. B 18, 39-47 (2000)      Abstract                 

Hanspeter Andres, Reto Basler, Hans-Ulrich Güdel, Guillem Aromi, George Christou, Herma Büttner and Benoit Rufflé
Inelastic Neutron Scattering and Magnetic Susceptibilities of the Single-Molecule Magnets [Mn₄O₃X(OAc)₃(dbm)₃] (X=Br, Cl, OAc and F): Variation of the Anisotropy along the Series.
J. Am. Chem. Soc. 122, 12469-12477 (2000)      Abstract                 

Daniel R. Gamelin, Stefan R. Lüthi and Hans U. Güdel
The Role of Laser Heating in the Intrinsic Optical Bistability of Yb³⁺-Doped Bromide Lattices
J. Phys. Chem. B 104, 11045-11057 (2000)      Abstract                 

F. Rodriguez, D. Hernández and H. U. Güdel
Evidence of Mn²⁺-Mn²⁺ Double Excitation Transitions in NH₄MnCl₃ by Pressure Spectroscopy
in "Science and Technology of High Pressure", Proceedings of AIRAPT-17, edited by M. H. Manghnani, W. J. Nellis and M. F. Nicol
Universities Press, Hyderabad, India, 2, 987-990 (2000)      Abstract           

N. Cavadini, Ch. Rüegg, W. Henggeler, A. Furrer, H.-U. Güdel, K. Krämer and H. Mutka
Temperature renormalization of the magnetic excitations in S=1/2 KCuCl₃
Eur. Phys. J. B 18, 565-571 (2000)      Abstract                 

N. Cavadini, W. Henggeler, A. Furrer, K. Krämer, H. U. Güdel, H. Mutka, A. Wildes and P. Vorderwisch
Triplet Excitations in a Family of S=1/2 Unconventional Antiferromagnets
in "Neutron Scattering in Novel Materials", A. Furrer (ed.)
World Scientific, Singapore, 237-251 (2000)      Abstract           

P. Dorenbos, C. W. E. van Eijk, H. U. Güdel, K. W. Krämer and E. V. D. van Loef
Ceriumhoudend anorganisch scintillatormateriaal
Dutch patent no. 1014401, 17 february 2000      Abstract                 

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