Former Members of the Güdel Group

Dr. Stefan Ochsenbein;
graduate student until July 2006 and postdoc until August 2006

Contact Stefan Ochsenbein, so.JPG (24 kByte)
Dr. Stefan T. Ochsenbein
Laboratory for Neutron Scattering
Paul Scherrer Institut
CH - 5232 Villigen PSI
Switzerland
Phone +41 (0)56 310 5064
e-Mail stefan.ochsenbein@psi.ch
Web http://www.psi.ch/lns/

Education

 

Research field

 

Publications

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      Full Text (PDF)

Stefan T. Ochsenbein, Mark Murrie, Eduard Rusanov, Helen Stoeckli-Evans, Chihiro Sekine and H. U. Güdel
Synthesis, Structure, and Magnetic Properties of the Single-Molecule Magnet [Ni21(cit)12(OH)10(H2O)10]16-
Inorg. Chem. 41, 5133-5140 (2002)      Abstract      Full Text (PDF)      Crystal Structure Data (CIF format)

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      Full Text (PDF)      Journal Cover Picture

Stefan T. Ochsenbein, Grégory Chaboussant, Andreas Sieber, Hans U. Güdel, Stefan Janssen, Albert Furrer and J. Paul Attfield
Magnetic cluster excitations in the antiferromagnetic phase of a-MnMoO4
Phys. Rev. B 68, 092410/1-4 (2003)      Abstract      Full Text (PDF)

Rebecca H. Laye, Mark Murrie, Stefan Ochsenbein, Aidan R. Bell, Simon J. Teat, James Raftery, Hans-Ulrich Güdel and Eric J. L. McInnes
Solvothermal Syntheses of High-Nuclearity Vanadium(III) Clusters
Chem. Eur. J. 9, 6215-6220 (2003)      Abstract      Full Text (PDF)

G. Chaboussant, S. T. Ochsenbein, A. Sieber, H.-U. Güdel, H. Mutka, A. Müller and B. Barbara
Mechanism of ground-state selection in the frustrated molecular spin cluster V15
Europhys. Lett. 66, 423-429 (2004)      Abstract      Full Text (PDF)

G. Chaboussant, S. T. Ochsenbein, A. Sieber, R. Bircher, H.-U. Güdel, B. Barbara, A. Müller and H. Mutka
Magnetic field reveals nature of quantum spin state in the molecular spin cluster V15
ILL Annual Report 2003, 18-19 (2004)      Abstract      Full Text (PDF)

Rachel Shaw, Ian S. Tidmarsh, Rebecca H. Laye, Barbara Breeze, Madeleine Helliwell, Euan K. Brechin, Sarah L. Heath, Mark Murrie, Stefan Ochsenbein, Hans-Ulrich Güdel and Eric J. L. McInne
Supertetrahedral decametallic Ni(II) clusters directed by m6-tris-alkoxides
Chem. Commun. 1418-1419 (2004)      Abstract      Full Text (PDF)

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      Full Text (PDF)

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      Full Text (PDF)

G. Chaboussant, A. Sieber, S. Ochsenbein, H.-U. Güdel, M. Murrie, A. Honecker, N. Fukushima and B. Normand
Exchange interactions and high-energy spin states in Mn12-acetate
Phys. Rev. B 70, 104422/1-16 (2004)      Abstract      Full Text (PDF)

G. Chaboussant, S. T. Ochsenbein, A. Sieber, H.-U. Güdel, B. Barbara, A. Müller and H. Mutka
Probing mixing of quantum spin states in frustrated molecular magnets with neutron scattering
Phys. Stat. Sol. C 1, 3399-3401 (2004)      Abstract      Full Text (PDF)

Andreas Sieber, Colette Boskovic, Roland Bircher, Oliver Waldmann, Stefan T. Ochsenbein, Grégory Chaboussant, Hans U. Güdel, Nadeschda Kirchner, Joris van Slageren, Wolfgang Wernsdorfer, Antonia Neels, Helen Stoeckli-Evans, Stefan Janssen, Fanni Juranyi and Hannu Mutka
Synthesis and Spectroscopic Characterization of a New Family of Ni4 Spin Clusters
Inorg. Chem. 44, 4315-4325 (2005)      Abstract      Full Text (PDF)      Supplementary Data (PDF)      Crystal Structure Data (CIF format)

Andreas Sieber, Dolos Foguet-Albiol, Oliver Waldmann, Stefan T. Ochsenbein, Roland Bircher, George Christou, Felix Fernandez-Alonso, Hannu Mutka and Hans U. Güdel
Direct Determination of the Anisotropy and Exchange Splittings in the Dimeric Single-Molecule Magnet [Mn4O3Cl4(O2CEt)3(py)3]2·8MeCN by Inelastic Neutron Scattering
Inorg. Chem. 44, 6771-6776 (2005)      Abstract      Full Text (PDF)

Roland Bircher, Grégory Chaboussant, Stefan T. Ochsenbein, Felix Fernandez-Alonso, Hans U. Güdel and Euan K. Brechin
Inelastic neutron scattering study of undeuterated [Mn9O7(OAc)11(thme)(py)3(H2O)2]
Polyhedron 24, 2455-2458 (2005)      Abstract      Full Text (PDF)

David M. Low, Gopalan Rajaraman, Madeleine Helliwell, Grigore Timco, Joris van Slageren, Roberta Sessoli, Stefan T. Ochsenbein, Roland Bircher, Christopher Dobe, Oliver Waldmann, Hans-Ulrich Güdel, Mark A. Adams, Eliseo Ruiz, Santiago Alvarez and Eric J. L. McInnes
A Family of Ferro- and Antiferromagnetically Coupled Decametallic Chromium(III) Wheels
Chem. Eur. J. 12, 1385-1396 (2006)      Abstract      Full Text (PDF)

Roland Bircher, Grégory Chaboussant, Chris Dobe, Hans U. Güdel, Stefan T. Ochsenbein, Andreas Sieber and Oliver Waldmann
Single-Molecule Magnets Under Pressure
Adv. Funct. Mater. 16, 209-220 (2006)      Abstract      Full Text (PDF)

A. Sieber, D. Foguet-Albiol, O. Waldmann, S. T. Ochsenbein, G. Carver, H. Mutka, F. Fernandez-Alonso, M. Mezouar, H. P. Weber, G. Christou and H. U. Güdel
Pressure dependence of the exchange interaction in the dimeric single-molecule magnet [Mn4O3Cl4(O2CEt)3(py)3]2 from inelastic neutron scattering
Phys. Rev. B 74, 024405/1-4 (2006)      Abstract      Full Text (PDF)

Kerwyn G. Alley, Roland Bircher, Oliver Waldmann, Stefan T. Ochsenbein, Hans U. Güdel, Boujemaa Moubaraki, Keith S. Murray, Felix Fernandez-Alonso, Brendan F. Abrahams and Colette Boskovic
Mixed-Valent Cobalt Spin Clusters: a Hexanuclear Complex and a One-Dimensional Coordination Polymer Comprised of Alternating Hepta- and Mononuclear Fragments
Inorg. Chem. 45, 8950-8957 (2006)      Abstract      Full Text (PDF)      Supplementary Data (PDF)      Crystal Structure Data (CIF format)

S. T. Ochsenbein, O. Waldmann, A. Sieber, G. Carver, R. Bircher, H. U. Güdel, R. S. G. Davies, G. A. Timco, R. E. P. Winpenny, H. Mutka and F. Fernandez-Alonso
Standing spin waves in an antiferromagnetic molecular Cr6 horseshoe
Europhys. Lett. 79, 17003/1-6 (2007)      Abstract      Full Text (PDF)

L. Schnelzer, O. Waldmann, M. Horvatić, S. T. Ochsenbein, S. Krämer, C. Berthier, H. U. Güdel and B. Pilawa
Huge Transverse Magnetic Polarization in the Field-Induced Phase of the Antiferromagnetic Molecular Wheel CsFe8
Phys. Rev. Lett. 99, 087201/1-4 (2007)      Abstract      Full Text (PDF)

Satoshi Koizumi, Masayuki Nihei, Takuya Shiga, Motohiro Nakano, Hiroyuki Nojiri, Roland Bircher, Oliver Waldmann, Stefan T. Ochsenbein, Hans U. Güdel, Felix Fernandez-Alonso and Hiroki Oshio
A Wheel-Shaped Single-Molecule Magnet of [MnII3MnIII4]: Quantum Tunneling of Magnetization under Static and Pulse Magnetic Fields
Chem. Eur. J. 13, 8445-8453 (2007)      Abstract      Full Text (PDF)      Journal Cover Picture      Journal Cover Picture (PDF)

Stefan T. Ochsenbein, Floriana Tuna, Marzio Rancan, Rachel S. G. Davies, Christopher A. Muryn, Oliver Waldmann, Roland Bircher, Andreas Sieber, Graham Carver, Hannu Mutka, Felix Fernandez-Alonso, Andrew Podlesnyak, Larry P. Engelhardt, Grigore A. Timco, Hans U. Güdel and Richard E. P. Winpenny
Studies of Finite Molecular Chains: Synthesis, Structural, Magnetic and Inelastic Neutron Scattering Studies of Hexa- and Heptanuclear Chromium Horseshoes
Chem. Eur. J. 14, 5144-5158 (2008)      Abstract      Full Text (PDF)      DOI-Link      Journal Cover Picture      Journal Cover Picture (PDF)      DOI-Link     

P. S. Häfliger, S. T. Ochsenbein, B. Trusch, H.-U. Güdel and A. Furrer
Spin dynamics in the manganese tetramer compound a-MnMoO4
J. Phys.: Condens. Matter 21, 026019/1-7 (2009)      Abstract      Full Text (PDF)      DOI-Link     

J. Dreiser, O. Waldmann, C. Dobe, G. Carver, S. T. Ochsenbein, A. Sieber, H. U. Güdel, J. van Duijn, J. Taylor and A. Podlesnyak
Quantized antiferromagnetic spin waves in the molecular Heisenberg ring CsFe8
Phys. Rev. B 81, 024408/1-8 (2010)      Abstract      Full Text (PDF)      DOI-Link     

new Michael L. Baker, Oliver Waldmann, Stergios Piligkos, Roland Bircher, Olivier Cador, Stefano Carretta, David Collison, Felix Fernandez-Alonso, Eric J. L. McInnes, Hannu Mutka, Andrew Podlesnyak, Floriana Tuna, Stefan Ochsenbein, Roberta Sessoli, Andreas Sieber, Grigore A. Timco, Høgni Weihe, Hans U. Güdel and Richard E. P. Winpenny
Inelastic neutron scattering studies on the odd-membered antiferromagnetic wheel Cr8Ni
Phys. Rev. B 86, 064405/1-11 (2012)      Abstract      Full Text (PDF)      DOI-Link     

Last modified: 30.10.12 by Gabriela Frei