Dr. Stefan T. Ochsenbein

Education

Ph.D., University of Bern, Switzerland with Prof. H. U. Güdel (2006)

Diploma, University of Bern, Switzerland with Prof. H. U. Güdel (2001)

Awards

Fellowship for prospective researchers by the Swiss National Science Foundation (2006)

Young Scientist Award for a poster presented at the Summer School on Condensed Matter Research: Magnetism in Zuoz, Switzerland (2002)

Publications

Ochsenbein, S. T.; Feng, Y.; Whitaker, K. M.; Badaeva, E.; Liu, W. K.; Li, X.; Gamelin, D. R. “Charge-Controlled Magnetism in Colloidal Doped Semiconductor Nanocrystals.” Nat. Nanotechnol. , 2009 , 4, 681-687.

White, M. A.; Ochsenbein, S. T.; Gamelin, D. R. "Colloidal Nanocrystals of Wurtzite Zn_1-xCo_xO (0 = x = 1): Models of Spinodal Decomposition in an Oxide Diluted Magnetic Semiconductor." Chem. Mater., 2008, 20, 7107-7116.

Badaeva, E.; Isborn, C. M.; Feng, Y.; Ochsenbein, S. T.; Gamelin, D. R.; Li, X. "Theoretical Characterization of Electronic Transitions in Co²⁺- and Mn²⁺-Doped ZnO Nanocrystals." J. Phys. Chem. C, 2009, published ASAP.

Beaulac, R.; Archer, P. I.; Ochsenbein, S. T.; Gamelin, D. R. "Mn²⁺-Doped CdSe Quantum Dots: New Inorganic Materials for Spin-Electronics and Spin-Photonics." Advanced Functional Materials, 2008, 18, 3873-3891 (Feature Article).

Whitaker, K. M.; Ochsenbein, S. T.; Polinger, V. Z.; Gamelin, D. R. "Electron confinement effects in the EPR Spectra of Colloidal n-Type ZnO Quantum Dots." J. Phys. Chem. C, 2008, 112, 14331-14335.

Ochsenbein, S. T.; Tuna, F.; Rancan, M.; Davies, R. S. G.; Muryn, C. A.; Waldmann, O.; Bircher, R.; Sieber, A.; Carver, G.; Mutka, H.; Fernandez-Alonso, F.; Podlesnyak, A.; Engelhardt, L. P.; Timco, G. A.; Guedel, H. U.; Winpenny, R. E. P. "Studies of Finite Molecular Chains: Synthesis, Structural, Magnetic and Inelastic Neutron Scattering Studies of Hexa- and Heptanuclear Chromium Horseshoes." Chem. Eur. J., 2008, 14, 5144-5158.

Ochsenbein, S. T.; Waldmann, O.; Sieber, A.; Carver, G.; Bircher, R.; Gudel, H. U.; Davies, R. S. G.; Timco, G. A.; Winpenny, R. E. P.; Mutka, H.; Fernandez-Alonso, F. "Standing spin waves in an antiferromagnetic molecular Cr₆ horseshoe." Europhys. Lett., 2007, 79, 17003.

Schnelzer, L.; Waldmann, O.; Horvatic, M.; Ochsenbein, S. T.; Kramer, S.; Berthier, C.; Gudel, H. U.; Pilawa, B. "Huge Transverse Magnetic Polarization in the Field-Induced Phase of the Antiferromagnetic Molecular Wheel CsFe₈." Phys. Rev. Lett., 2007, 99, 087201.

Koizumi, S.; Nihei, M.; Shiga, T.; Nakano, M.; Nojiri, H.; Bircher, R.; Waldmann, O.; Ochsenbein, S. T.; Guedel, H. U.; Fernandez-Alonso, F.; Oshio, H. "A wheel-shaped single-molecule magnet of [Mn II 3 Mn III 4 ] quantum tunneling of magnetization under static and pulse magnetic fields." Chem. Eur. J., 2007, 13, 8445-8453.

Alley K. G.; Bircher, R.; Waldmann, O.; Ochsenbein S. T.; Gudel H. U.; Moubaraki, B.; Murray K. S.; Fernandez-Alonso, F.; Abrahams B. F.; Boskovic, C. "Mixed-valent cobalt spin clusters: a hexanuclear complex and a one-dimensional coordination polymer comprised of alternating hepta- and mononuclear fragments." Inorg. Chem., 2006, 45, 8950-8957.

Bircher, R.; Chaboussant, G.; Dobe, C.; Gudel, H. U.; Ochsenbein, S. T.; Sieber, A.; Waldmann, O. "Single-molecule magnets under pressure." Adv. Funct. Mater., 2006, 16, 209-220.

Low, D. M.; Rajaraman, G.; Helliwell, M.; Timco, G.; van Slageren, J.; Sessoli, R.; Ochsenbein, S. T.; Bircher, R.; Dobe, C.; Waldmann, O.; Gudel, H.-U.; Adams, M. A.; Ruiz, E.; Alvarez, S.; McInnes, E. J. L. "A family of ferro- and antiferromagnetically coupled decametallic chromium(III) wheels." Chem. Eur. J., 2006, 12, 1385-1396.

Sieber, A.; Foguet-Albiol, D.; Waldmann, O.; Ochsenbein, S. T.; Carver, G.; Mutka, H.; Fernandez-Alonso, F.; Mezouar, M.; Weber, H. P.; Christou, G.; Gudel, H. U. "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., 2006, 74, 024405.

Waldmann, O.; Dobe, C.; Ochsenbein, S. T.; Guedel, H. U.; Sheikin, I. "Field-Induced Magnetoelastic Instabilities in Antiferromagnetic Molecular Wheels." Phys. Rev. Lett., 2006, 96, 027206.

Bircher, R.; Chaboussant, G.; Ochsenbein, S. T.; Fernandez-Alonso, F.; Guedel, H. U.; Brechin, E. K. "Inelastic neutron scattering study of undeuterated [Mn₉O₇(OAc)₁₁(thme)(py)₃(H₂O)₂]." Polyhedron, 2005, 24, 2455-2458.

Sieber, A.; Boskovic, C.; Bircher, R.; Waldmann, O.; Ochsenbein, S. T.; Chaboussant, G.; Guedel, H. U.; Kirchner, N.; van Slageren, J.; Wernsdorfer, W.; Neels, A.; Stoeckli-Evans, H.; Janssen, S.; Juranyi, F.; Mutka, H. "Synthesis and Spectroscopic Characterization of a New Family of Ni₄ Spin Clusters." Inorg. Chem., 2005, 44, 4315-4325.

Sieber, A.; Foguet-Albiol, D.; Waldmann, O.; Ochsenbein, S. T.; Bircher, R.; Christou, G.; Fernandez-Alonso, F.; Mutka, H.; Guedel, H. U. "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., 2005, 44, 6771-6776.

Chaboussant, G.; Basler, R.; Gudel, H.-U.; Ochsenbein, S.; Parkin, A.; Parsons, S.; Rajaraman, G.; Sieber, A.; Smith Andrew, A.; Timco Grigore, A.; Winpenny Richard, E. P. "Nickel pivalate complexes: structural variations and magnetic susceptibility and inelastic neutron scattering studies." Dalton. Trans., 2004, 2758-2766.

Chaboussant, G.; Basler, R.; Sieber, A.; Ochsenbein, S. T.; Guedel, H. U. "Neutron scattering studies of magnetic molecular spin clusters." Physica B, 2004, 350, e51-e54.

Chaboussant, G.; Ochsenbein, S. T.; Sieber, A.; Guedel, H. U.; Barbara, B.; Mueller, A.; Mutka, H. "Probing mixing of quantum spin states in frustrated molecular magnets with neutron scattering." Phys. Status Solidi C, 2004, 1, 3399-3401.

Chaboussant, G.; Ochsenbein, S. T.; Sieber, A.; Guedel, H. U.; Mutka, H.; Mueller, A.; Barbara, B. "Mechanism of ground state selection in the frustrated molecular spin cluster V₁₅." Europhys. Lett., 2004, 66, 423-429.

Chaboussant, G.; Sieber, A.; Ochsenbein, S.; Gudel, H. U.; Murrie, M.; Honecker, A.; Fukushima, N.; Normand, B. "Exchange interactions and high-energy spin states in Mn₁₂-acetate." Phys. Rev. B, 2004, 70, 104422.

Shaw, R.; Tidmarsh, I. S.; Laye, R. H.; Breeze, B.; Helliwell, M.; Brechin, E. K.; Heath, S. L.; Murrie, M.; Ochsenbein, S.; Guedel, H.-U.; McInnes, E. J. L. "Supertetrahedral decametallic Ni(II) clusters directed by micro 6-tris-alkoxides." Chem. Commun., 2004, 1418-1419.

Basler, R.; Boskovic, C.; Chaboussant, G.; Gudel H. U.; Murrie, M.; Ochsenbein S. T.; Sieber, A. "Molecular spin clusters: new synthetic approaches and neutron scattering studies." Chem. Phys. Chem., 2003, 4, 910-926.

Laye, R. H.; Murrie, M.; Ochsenbein, S.; Bell, A. R.; Teat, S. J.; Raftery, J.; Guedel, H. U.; McInnes, E. J. L. "Solvothermal syntheses of high-nuclearity vanadium(III) clusters." Chem. Eur. J., 2003, 9, 6215-6220.

Ochsenbein, S. T.; Chaboussant, G.; Sieber, A.; Gudel, H. U.; Janssen, S.; Furrer, A.; Attfield, J. P. "Magnetic cluster excitations in the antiferromagnetic phase of alpha-MnMoO₄." Phys. Rev. B, 2003, 68, 092410.

Chaboussant, G.; Basler, R.; Sieber, A.; Ochsenbein, S. T.; Desmedt, A.; Lechner, R. E.; Telling, M. T. F.; Kogerler, P.; Muller, A.; Gudel, H. U. "Low-energy spin excitations in the molecular magnetic cluster V15." Europhys. Lett., 2002, 59, 291-297.

Ochsenbein, S. T.; Murrie, M.; Rusanov, E.; Stoeckli-Evans, H.; Sekine, C.; Guedel, H. U. "Synthesis, structure, and magnetic properties of the single-molecule magnet [Ni₂₁(cit)₁₂(OH)₁₀(H₂O)₁₀]₁₆." Inorg. Chem., 2002, 41, 5133-5140.