Sharp metal-insulator transition in a random solid

T. F. Rosenbaum, K. Andres, G. A. Thomas, R. N. Bhatt

Research output: Contribution to journalArticle

254 Scopus citations

Abstract

Zero-temperature metallic conductivities have been measured above and below Mott's minimum value min in bulk crystals of P-doped Si. Conductivities below min increase by over 103 as the density is raised by less than 1%, and do not rule out a discontinuous transition. However, over a wider density range the data can be fitted with a scaling form with a characteristic length that tends to diverge with the same exponent in the metal and insulator.

Original languageEnglish (US)
Pages (from-to)1723-1726
Number of pages4
JournalPhysical review letters
Volume45
Issue number21
DOIs
StatePublished - 1980

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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