Our main interest lies in the physical characterization of high-nuclearity spin clusters by the spectroscopic method of  inelastic neutron scattering and then modelling the observed INS behaviour with an appropriate spin Hamiltonian. 

Thomas Armbruster, Reto Basler, Patric Mikhail and Jürg Hulliger
Defect Structure of Ytterbium(III) Doped Na₂SO₄ Phase I
J. Sol. State Chem. 145, 309-316 (1999)

Patric Mikhail, Reto Basler and Jürg Hulliger
Czochralski growth and spectroscopic investigations of Yb³⁺, La³⁺: Na₂SO₄(I) and Nd³⁺: Na₂SO₄(I)
J. Mater. Res. 14, 4093 (1999)

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     

Hanspeter Andres, Juan M. Clemente-Juan, Reto Basler, Michael Aebersold, Hans-Ulrich Güdel, Juan J. Borrás-Almenar, A. Gaita, Eugenio Coronado, Herma Büttner and Stefan Janssen
Magnetic Polyoxometalates: Anisotropic Antiferro- and Ferromagnetic Exchange Interactions in the Pentameric Cobalt(II) Cluster [Co₃W(D₂O)₂(CoW₉O₃₄)₂]^12-.
A Magnetic and Inelastic Neutron Scattering Study
Inorg. Chem. 40, 1943-1950 (2001)      Abstract     

Reto Basler, Philip L. W. Tregenna-Piggott, Hanspeter Andres, Christopher Dobe, Hans-Ulrich Güdel, Stefan Janssen and Garry J. McIntyre
Magnetic Excitations of CsMn(SO₄)₂·12D₂O, Measured by Inelastic Neutron Scattering
J. Am. Chem. Soc. 123, 3377-3378 (2001)      Abstract     

G. Chaboussant, R. Basler, A. Sieber, S. T. Ochsenbein, A. Desmedt, R. E. Lechner, M. T. F. Telling, P. Kögerler, A. Müller and H. U. Güdel
Low-energy spin excitations in the molecular magnetic cluster V₁₅
Europhys. Lett. 59, 291-297 (2002)      Abstract     

Ralph Schenker, Høgni Weihe, Hanspeter Andres, Reto Basler, Grégory Chaboussant, Kirsten Michelsen, Michael Aebersold, Herma Büttner and Hans U. Güdel
Competing Interactions in the Tetranuclear Spin Cluster {Ni[(OH)₂Cr(bispictn)]₃}I₅·5H₂O. An Inelastic Neutron Scattering and Magnetic Study
Inorg. Chem. 41, 4266-4274 (2002)      Abstract     

Reto Basler, Grégory Chaboussant, Andreas Sieber, Hanspeter Andres, Mark Murrie, Paul Kögerler, Hartmut Bögge, Debbie C. Crans, Erich Krickemeyer, Stefan Janssen, Hannu Mutka, Achim Müller and H. U. Güdel
Inelastic Neutron Scattering on Three Mixed-Valence Dodecanuclear Polyoxovanadate Clusters
Inorg. Chem. 41, 5675-5685 (2002)      Abstract     

Hanspeter Andres, Reto Basler, Alexander J. Blake, Cyril Cadiou, Gregory Chaboussant, Craig M. Grant, Hans-Ulrich Güdel, Mark Murrie, Simon Parsons, Carley Paulsen, Fabrizzio Semadini, Vincent Villar, Wolfgang Wernsdorfer and Richard E. P. Winpenny
Studies of a Nickel-Based Single-Molecule Magnet
Chem. Eur. J. 8, 4867-4876 (2002)      Abstract           

R. Basler, G. Chaboussant, H. Andres, P. Kögerler, E. Krickemeier, H. Bögge, H. Mutka, A. Müller and H.-U. Güdel
Inelastic neutron scattering on a mixed-valence dodecanuclear polyoxovanadate cluster
Appl. Phys. A 74, S734-S736 (2002)      Abstract     

R. Basler, G. Chaboussant, C. Cañada-Vilalta, G. Christou, H. Mutka, S. Janssen, F. Altorfer and H.-U. Güdel
Magnetic and inelastic neutron scattering studies of a frustrated tetranuclear Mn³⁺ butterfly-type cluster
Polyhedron 22, 2471-2479 (2003)      Abstract     

Reto Basler, Colette Boskovic, Grégory Chaboussant, Hans U. Güdel, Mark Murrie, Stefan T. Ochsenbein and Andreas Sieber
Molecular Spin Clusters: New Synthetic Approaches and Neutron Scattering Studies
Chem. Phys. Chem. 4, 910-926 (2003)      Abstract           

Grégory Chaboussant, Reto Basler, Hans-Ulrich Güdel, Stefan Ochsenbein, Andrew Parkin, Simon Parsons, Gopalan Rajaraman, Andreas Sieber, Andrew A. Smith, Grigore A. Timco and Richard E. P. Winpenny
Nickel pivalate complexes: structural variations and magnetic susceptibility and inelastic neutron scattering studies
Dalton Trans. 2758-2766 (2004)      Abstract     

G. Chaboussant, R. Basler, A. Sieber, S. T. Ochsenbein and H.-U. Güdel
Neutron scattering studies of magnetic molecular spin clusters
Physica B 350, e51-e54 (2004)      Abstract     

Reto Basler, Andreas Sieber, Grégory Chaboussant, Hans U. Güdel, Nicole E. Chakov, Monica Soler, George Christou, Arnaud Desmedt and Ruep Lechner
Inelastic Neutron Scattering Study of Electron Reduction in Mn₁₂ Derivatives
Inorg. Chem. 44, 649-453 (2005)      Abstract