Research Interests

• -Electrical and magnetic properties of semiconductors and superconductors
• -Applied Superconductivity
• -Pinning mechanisms in superconductors
• -Quantum noise spectroscopy in semiconductors, superconductors, spin glasses,
• and Coulomb glasses
• -Spin dependent electric transport (spintronics)
• -Quantum Hall Effect in magnetic and nonmagnetic semiconductors
• -Quantum Hall, Zener and RKKY ferromagnetism
• -Nonequilibrium phenomena in semiconductors and superconductors
• -Resistively detected nuclear magnetic resonance
• -Electrical transport, localization and weak localization, metal-insulator transition in doped magnetic and nonmagnetic semiconductors, low dimensional devices, mesoscopic phenomena.
• Research Experience
• -Cryogenic techniques including He^3/He^4, He^3, He^4, and adiabatic demagnetization systems use and development
• -Removing unwanted noise from experimental systems, shielding,
• grounding, and filtering\-Measurements of extremely high critical currents in superconducting wires and cables
• -Molecular Beam Epitaxy, growth and development, including MBE lab establishment
• -Ultra high vacuum techniques, cleanrooms
• -Designing probes, cables, and breakout boxes for transport measurements.
• -Electrical transport and magnetotransport techniques (ac and dc), including Hall,
• magnetoresistivity, magnetocapacitance at mK temperatures, high magnetic fields, resistance noise measurements, resistance relaxation measurements
• -Measurements of very high resistance materials
• -General preparation, growth, and characterization of semiconductor and superconductor samples, including nanostructurization (e-beam and photolitography),
• gating, FET fabrication, polishing, dry and wet etching, metallization, preparation of ultra thin samples, annealing, etc.