Areas of Research/Interest: Experimental condensed matter physics, mesoscopic magnetic systems, scanning probe microscopy of nanostructured materials, new local probes of cooperative phenomena in superconductors and nanomagnets.

External Affiliations: American Physical Society, 1984; Materials Research Society, 1993; American Association for the Advancement of Science, 1996.

Fellowships/Honors: Golden Dozen Teaching Award, New York University, 1997.

Selected Works:
Scanning Tunneling Spectroscopy of a Vortex Core from the Clean to the Dirty Limit, with Ch. Renner, Ph. Niedermann, O. Fischer and F. Levy. Phys. Rev. Lett., 16. 1991. 1650.

"Growth of High Aspect Ratio Nanometer-Scale Magnets with Chemical Vapor Deposition and Scanning Tunneling Microscopy, with T. M. Shaw, S. von Molnar and D. D. Awschalom. Science, 262. 1993. 1249.

Properties and Measurement of STM Fabricated Ferromagnetic Particle Arrays, with S. von Molnar, S. Gider and D. D. Awschalom. J. Appl. Phys., 76. 1994. 6656.

Magnetoresistance due to domain walls in micron scale Fe wires with stripe domains, with U. Ruediger, J. Yu, S. Zhang, P. M. Levy and S. S. P. Parkin. IEEE Transactions on Magnetics, 34. 1998. 900.

Negative domain wall contribution to the resistivity of microfabricated Fe wires, with U. Ruediger, J. Yu, S. Zhang and S. S. P. Parkin. Phys. Rev. Lett., 80. 1998. 5639.

Effect of Probe Geometry on the Hall Response in an Inhomogeneous Magnetic Field: A Numerical Study, with S. Lui, H. Guillou, G. W. Stupian and M. S. Leung. Journal of Applied Physics, 83. 1998. 6161.

Effect of Tilted Magnetic Field on the Anomalous H=0 Conducting Phase in High-Mobility Si MOSFET's, with S. V. Kravchenko, D. Simonian, M. P. Sarachik and V. M. Pudalov. Physical Review B., 58. 1998. 3553.