Jan J Jaroszynski

Research Faculty II

Condensed Matter Science, DC Field CMS

Headshot

Contact Information

Email jaroszy@magnet.fsu.edu
Phone (850) 645-7490
Fax (850) 644-5038
Address 1800 E. Paul Dirac Dr.
Tallahassee , FL 32310-3706
Building NHMFL FSU

Educational Background

  • -2001 D. Sc. (habilitation, physics) Institute of Physics, Polish Academy of Sciences
  • -1991 Ph.D. (solid state physics), Institute of Physics, Polish Academy of Sciences
  • -1981 M.Sc. (physics) Warsaw University, Warsaw, Poland

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.

Professional Experience

  • 2006-present Assistant Scholar Scientist,
  • National High Magnetic Field Laboratory, Tallahassee FL, USA
  • -2000-2005 Visiting Scientist,
  • National High Magnetic Field Laboratory, Tallahassee FL, USA
  • -1993 2000 Assistant Professor, Institute of Physics, Polish
  • Academy of Sciences, Warsaw, Poland
  • -1992 1993 The Royal Society Postdoctoral Fellowship
  • Department of Engineering, Design and Manufacture
  • University of Hull UK
  • -1987 1992 Senior Research Assistant, Institute of Physics, Polish
  • Academy of Sciences, Warsaw, Poland
  • -1984 1985 Army service
  • -1981 1987 Junior Research Assistant, Institute of Physics, Polish
  • Academy of Sciences, Warsaw, Poland

Publications and Scientific Activities

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