Evidence for two-dimentional quantum Wigner crystal

V. J. Goldman, M. Santos, Mansour Shayegan, J. E. Cunningham

Research output: Contribution to journalArticle

284 Scopus citations


We report observations of an electric-field threshold conduction and of related ac voltage (broad-band noise) generation in low-disorder two-dimensioanl electron systems in the extreme magnetic quantum limit. We interpret these phenomena as definitive evidence for formation of a pinned quantum Wigner crystal and determine its melting phase diagram from the disappearance of threshold and noise behavior at higher temperatures.

Original languageEnglish (US)
Pages (from-to)2189-2192
Number of pages4
JournalPhysical review letters
Issue number17
StatePublished - Jan 1 1990

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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