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Dr. Robert Roth

Research Interests

Crystal chemistry and phase equilibria of technically important ceramics. Elucidation of the fundamental chemistry, crystallography, and phase equilibria pertinent to the understanding of ceramic systems. Senior editor of numerous volumes of Phase Diagrams for Ceramists and Phase Equilibria Diagrams as a resource for industry in the design and processing of technological ceramics.


  • Spriggs Phase Equilibria Award, Lifetime achievement in the field of experimental ceramic phase equilibria, American Ceramic Society, 2003
  • Wilhelm R. Buessem Award , Pennsylvania State University, 2001
  • John Jeppson Award, American Ceramic Society, 1995
  • Sosman Award, American Ceramic Society, 1991
  • DoC Gold Medal, U.S. Department of Commerce, 1986
  • NBS Special Service Award, Meritorious Publication, 1963
  • DoC Silver Medal, U.S. Department of Commerce, 1962
  • Baroid Minerals Corporation Fellowship, 1950-1951
  • Teaching Assistantship, University of Illinois, 1948-1949


Scientist Emeritus, NIST Associate
Ceramics Division
Structure Determination Methods Group

Employment History:

1991-present: Consultant, NIST, Gaithersburg, MD and American Ceramic Society
1951-1991: Supervisory Research Chemist, NIST, Gaithersburg, MD
1951: Research Associate, University of Illinois at Urbana--Champaign
1950: Field Assistant, U.S. Geological Survey


Ph.D, University of Illinois at Urbana-Champaign, 1951
M.S., University of Illinois at Urbana-Champaign, 1950
B.A., Coe College, Cedar Rapids, 1947


Phone: 301-975-6116
Fax: 301-975-5334