Novel approach for identifying and synthesizing high dielectric materials

J. H. Park, J. B. Parise, P. M. Woodward, Igor Lubomirsky, O. Stafsudd

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Modern telecommunications require materials with high dielectric constants (κ). The number of suitable elements ultimately limits one approach to the discovery of new materials, targeting compositions with high atomic polarizabilities (α). By decreasing the molar volume of compositions with high α, however, we anticipated dramatic increases in κ and demonstrated that this approach works. The quenched high-pressure perovskite polymorph of Na2MTeO6 (M = Ti, Sn) showed a twofold increase in κ, compared to the ilmenite form. This result suggested the highest values of κ occur for compositions with high α, which form quenchable compounds at high pressures and temperatures.

Original languageEnglish
Pages (from-to)3192-3195
Number of pages4
JournalJournal of Materials Research
Volume14
Issue number8
Publication statusPublished - Aug 1999

ASJC Scopus subject areas

  • Materials Science(all)

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    Park, J. H., Parise, J. B., Woodward, P. M., Lubomirsky, I., & Stafsudd, O. (1999). Novel approach for identifying and synthesizing high dielectric materials. Journal of Materials Research, 14(8), 3192-3195.