Office: 2263 NPB
352.392.5711

Lab: B-158 NPB
352.392.1062

hill@phys.ufl.edu





























































Stephen Hill

Associate Professor and Graduate Coordinator


Education

PhD University of Oxford (1995)

Research Group

Condensed Matter Experiment / MAG lab

Research Interest

Research interests include condensed matter/materials physics, optical spectroscopy of solids, magnetic resonance, superconductivity and magnetism.

Selected Publications

Discrete easy-axis tilting in Mn12-acetate, as determined by EPR: implications for the magnetic quantum tunneling mechanism, S. Takahashi, R. S. Edwards, J. M. North, S. Hill and N. S. Dalal, Phys. Rev. B 70, 094429 (2004).

Single-Molecule Magnets: Preparation and Properties of Low Symmetry [Mn4O3(O2CR)4(dbm)3] complexes with S = 9/2, Nuria Aliaga-Alcalde, Rachel S. Edwards, Stephen Hill, Wolfgang Wernsdorfer, Kirsten Folting and George Christou, J. Am. Chem. Soc. 126, 12503 (2004).

Evidence for the S = 9 excited state in Mn12?bromoacetate measured by electron paramagnetic resonance, K. Petukhov, S. Hill, N. E. Chakov, G. Christou, Phys. Rev. B 70, 054426 (2004).

Quantum Coherence in an Exchange-Coupled Dimer of Single-Molecule Magnets, S. Hill, R. S. Edwards, N. Aliaga-Alcalde, G. Christou, Science 302, 1015 (2003).

Angle-resolved mapping of the Fermi velocity in a quasi-2D organic conductor, A. E. Kovalev, S. Hill, K. Kawamo, M. Tamura, T. Naito, H. Kobayashi, Phys. Rev. Lett. 91, 216402 (2003).

Definitive spectroscopic determination of the transverse interactions responsible for the magnetic quantum tunneling in Mn12-acetate, S. Hill, R. S. Edwards, S. I. Jones, J. M. North, N. S. Dalal, Phys. Rev. Lett. 90, 217204 (2003).

Determination of the Fermi Velocity by Angle-dependent Periodic Orbit Resonance Measurements in the Organic Conductor a-(BEDT-TTF)2KHg(SCN)4, A. E. Kovalev, S. Hill and J. S. Qualls, Phys. Rev. B 66, 134513 (2002).

Anisotropy of the Superconducting Order Parameter in k-(BEDT-TTF)2Cu(NCS)2, S. Hill, N. Harrison, M. Mola and J. Wosnitza, Phys. Rev. Lett. 86, 3451 (2001).

Quantum melting of the quasi-two-dimensional vortex lattice in k-(ET)2Cu(NCS)2, M. M. Mola, S. Hill, J. S. Brooks, and J. S. Qualls, Phys. Rev. Lett. 86, 2130 (2001).

Significant Publications

Park K, Novotny MA, Dalal NS, Hill SO, Rikvold PA. "Effects of D-strain, g-strain, and dipolar interactions on EPR Linewidths of the Molecular Magnets Fe8 and Mn12," Phys. Rev. B 65, 14426-14430 (2002); http://arXiv.org/abs/cond-mat/0106276

Mola MM, Hill SO, Brooks JS, and Qualls JS. "Quantum melting of the quasi-two-dimensional vortex lattice in (ET)2Cu(NCS)2," Phys. Rev. Lett. 86, 2130-2133 (2001); http://arXiv.org/abs/cond-mat/0008262

Hill SO, Mola MM, Qualls JS. "Interlayer electrodynamics in the organic superconductor (BEDT-TTF)2Cu(NCS)2: evidence for a transformation within the vortex state," Phys. Condens. Matter 14, 6701-6711 (2002); http://arXiv.org/abs/cond-mat/0201567

Mola M, King JT, McRaven CP, Hill SO, Qualls JS and Brooks JS. "Josephson plasma resonance in -(BEDT-TTF)2Cu(NCS)2," Phys. Rev. B 62, 5965-5970 (2000); http://arXiv.org/abs/cond-mat/0001149 Hill SO. "A semiclassical description of cyclotron resonance in quasi two-dimensional conductors: theory and experiment," Phys. Rev. B 55, 4931-4940 (1997).