Magnetic MaterialsConsultant: High Temperature Magnets, Noncrystalline Magnets and Magnetic Property Characterization

Technical Consultant #1316


Expertise

  • Magnetic properties of materials.
  • High temperature magnets.
  • Development of uniform and consistent magnetic properties.
  • High temperature superconductors.
  • Understanding fundamental magnetic properties of magnetic surfaces, interfaces and multilayers.
  • Carbon-coated magnetic nanocrystal magnetic materials.
  • Characterization of magnetic properties as a function of field, temperature and frequency.
  • Plasma torch synthesis of metallic, C-coated, oxide, carbide and nitride nanoparticles.

Experience

1989 – Present, University Professor of Materials Science and Engineering

1988 – 1989, Directors Funded Post-Doctoral Associate, Los Alamos National Laboratory

1988 – 1989, Post-Doctoral Research, Massachusetts Institute of Technology

1983 – 1988, Research Assistant, Massachusetts Institute of Technology

1980 – 1983, Technology Implementation Program, United States Steel

Research Interests

  • Developing an understanding of the magnetic properties of materials. This includes interfacing theoretical and experimental studies of magnetic and superconducting materials.
  • Flux pinning in high temperature superconductors.
  • Understanding the fundamental magnetic properties of magnetic surfaces, interfaces and multilayers.
  • Continuing interest in the magnetic properties of icosahedral structures includes the study of magnetic quasicrystals and the magnetic and superconducting properties of fullerenes.
  • Study of carbon-coated magnetic nanocrystals produced by the Kratschmer-Huffman carbon arc method and fine particle magnetism in the same. This lead to studies of the plasma torch synthesis of metallic, C-coated, oxide, carbide and nitride nanoparticles.
  • Reactive gas plasma torch synthesis to produce nanocrystalline ferrite materials for high frequency applications. The surface structure, and its influence on properties, is being studied in faceted ferrite nanoparticles.
  • Active research in bulk and thin film soft magnetic metallic nanocomposites. These have excellent soft magnetic properties as measured by the figures of merit of combined induction and magnetic permeability.
  • High temperature magnetic properties including the study of HITPERM nanocomposites with a'(B2)-FeCo formed with significantly improved high temperature magnetic properties.
  • Research in rapid solidification processing, plasma synthesis of magnetic nanoparticles and characterization of magnetic properties as a function of field, temperature and frequency.

Honors & Publications

  • Published over 200 scientific journal articles.
  • Recipient of an NSF National Young Investigator Award and directed a Multidisciplinary University Research Initiative (MURI) for developing high temperature magnetic materials for aircraft power applications.
  • Publication Chair for the Magnetism and Magnetic Materials (MMM) Conference.
  • He is a 1998 Honorary Member of the Indian Materials Research Society.

Recent Awards and Activities

  • National Academy of Sciences Post-doctoral Panel, 2004
  • Philbrook Award for Excellence in Teaching by CMU MSE department, 2003
  • Editor, Joint Magnetism and Magnetic Materials/Intermag Conference Jan., 2004, Anaheim, CA.
  • Publication Chair, Magnetism and Magnetic Materials Conference Nov., 2004, Jacksonville, FL.
  • Organizer for the 2003 FALL and 2004 Spring MRS Meeting Research Tools Symposium.

Education

PhD., Electronic Materials, Massachusetts Institute of Technology

B.S., Materials Science and Engineering, Case Western Reserve University

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