Karl A. Gschneidner, Jr.

None
Address
255 Spedding Hall
The Ames Laboratory
Ames, IA 50011-3020
Phone 515-294-7931
Fax 515-294-9579
Email cagey@iastate.edu

Research Interests

  • Physical metallugy of rare earths
  • Alloy theory and phase formation studies
  • Lower temperature (1 to 300K) and high magnetic field (0-10 T) studies of magnetic, thermal and electrical behavior of rare-earth materials
  • Magnetocaloric effect and magnetic refrigeration
  • Ductile intermetallic compounds

        Project Affiliations:

        Group Website:

(Chronologically most recent on top)Education

  • Ph.D. Physical Chemistry, Iowa State University, 1957
  • B.S. Chemistry, University of Detroit, 1952

(Chronologically most recent on top)Professional Appointments

  • 1979 - present Anson Marston Distinguished Professor, Department of Materials Science and Engineering, Iowa State University
  • 1979 - 1980 Visiting Professor, University of California, San Diego
  • 1967 - 1979 Professor, Department of Materials Science and Engineering, Iowa State University
  • 1963 - 1967 Associate Professor, Department of Materials Science and Engineering, Iowa State University
  • 1962 - 1963 Visiting Assistant Professor, Department of Physics, University of Illinois

(Chronologically most recent on top)Honors & Awards

  • 1996-2006 Chairman Acta Materialia, Inc.
  • 1993-2006 Board Governors of Acta Materialia, Inc.
  • 1992 Delivered the first Plenary Lecture at the International Conference on Rare Earths 1992, Kyoto, Japan
  • 1992 A special symposium, named the "Karl A. Gschneidner, Jr. Symposium" was dedicated to K. A. Gschneidner, Jr. in recognition for his "meritorious service to rare earth science and industry" at the International Conference on Rare Earths 1992, Kyoto, Japan
  • 1991 Frank H. Spedding Award, 19th Rare Earth Research Conference, for distinguished contributions in the field of rare earth science
  • 1990 Guest Editor for the special commemorative centennial volume of the Journal of Magnetism and Magnetic Materials
  • 1990 Fellow of the Minerals, Metals, and Materials Society
  • 1990 Fellow of the American Society for Materials International
  • 1989 Burlington Northern Award for Excellence in Research, Iowa State University
  • 1988 Presented the second Plenary Lecture at the First International Conference on Ti, W, RE, Sb, sponsored by The Non-Ferrous Metals Society of China, Changsha, P. R. of China
  • 1986 Anson Marston Distinguished Professor, College of Engineering, Iowa State University
  • 1985 Presented the First Plenary Lecture at the International Conference on Rare Earth Development and Application, sponsored by the Chinese Rare Earth Society, Beijing, P. R. of China
  • 1982 Co-winner of the Department of Energy's Materials Sciences Research Competition in the Metallurgy and Ceramics: Outstanding Scientific Accomplishment Category. Research was on "Quenching of Spin Fluctuations and Inducing of Magnetic Moments in Metamagnetic Materials"
  • 1979 Distinguished Professor in Sciences and Humanities, Iowa State University
  • 1978 - 2006 Board of Advisory Editors of the Journal of Magnetism and Magnetic Materials
  • 1978 William Hume-Rothery Award of The Metallurgical Society of AIME (American Institute of Mining, Metallurgical and Petroleum Engineers) in recognition of outstanding scholarly contributions to the science of alloys
  • 1976 - present Senior Editor of the Handbook of the Physics and Chemistry of Rare Earths

(Chronologically most recent on top)Publications with the Ames Laboratory

2011
Paudyal D; Mudryk Y; Pecharsky V K; Gschneidner K A . 2011. Electronic structure, magnetic properties, and magnetostructural transition in Tb(5)Si(2.2)Ge(1.8) from first principles. Physical Review B. 84:014421. abstract
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Fu H; Zou M; Cao Q; Pecharsky V K; Gschneidner K A; Chumbley L S . 2011. Microstructure and magnetocaloric effects in partially amorphous Gd55Co15Al30-xSix alloys. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing. 528:5219-5222. abstract
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Gschneidner K . 2011. Rare Talents. Technology Review. 114:13. abstract
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Cao G H; Russell A M; Gschneidner K A . 2011. Transmission electron microscopy study of the microstructure of a YCu ductile intermetallic compound, the influence of the start metal purity. Scripta Materialia. 64:821-823. abstract
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Zhong X C; Zou M; Zhang H; Liu Z W; Zeng D C; Gschneidner K A; Pecharsky V K . 2011. Crystal structure and magnetic properties of R5Sn4 alloys, where R is Tb, Dy, Ho, and Er. Journal of Applied Physics. 109:07a917. abstract
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Nirmala R; Paudyal D; Pecharsky V K; Gschneidner K A; Nigam A K . 2011. First order transition in Dy5Si3Ge: Transport and thermal properties, and first principles calculations. Journal of Applied Physics. 109:07a923. abstract
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Mudryk Y; Paudyal D; Pecharsky V K; Gschneidner K A . 2011. Magnetic properties of Gd2C: Experiment and first principles calculations. Journal of Applied Physics. 109:07A924. abstract
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Usman I T M; Yates K A; Moore J D; Morrison K; Pecharsky V K; Gschneidner K A; Verhagen T; Aarts J; Zverev V I; Robinson J W A; Witt J D S; Blamire M G; Cohen L F . 2011. Evidence for spin mixing in holmium thin film and crystal samples. Physical Review B. 83:144518. abstract
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Khan M; Paudyal D; Mudryk Y; Gschneidner K A; Pecharsky V K . 2011. Use of Stevens coefficients for the prediction of magnetic transitions in pseudobinary R1xR(x)(2) alloys: Application to Tm1-xTbxAl(2). Physical Review B. 83:134437. abstract
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Tseng Y C; Ma H J; Yang C Y; Mudryk Y; Pecharsky V K; Gschneidner K A; Souza-Neto N M; Haskel D . 2011. Effect of Si doping and applied pressure upon magnetostructural properties of Tb-5(SixGe1-x)(4) magnetocaloric compounds. Physical Review B. 83:104419 . abstract
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