Skip to main content
National MagLab logo

The MagLab is funded by the National Science Foundation and the State of Florida.

Staff

Jan J Jaroszynski

Contact Information

Research Faculty III

Condensed Matter Science, DC Field CMS

Jan J Jaroszynski

Email:

Phone: (850) 644-6370

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

2019- Research faculty III
2012-2019 Research Faculty II
2006-2012 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

Loading


Last modified on 29 August 2022