Screening of Wannier Exciton States near the Metal-Insulator Transition

Baruch Raz*, Aharon Gedanken, Uzi Even, Joshua Jortner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We provide a new spectroscopic criterion for the observation of the insulator-metal transition in a two-component system, which is based on the disappearance of Wannier exciton states in the metallic region. This effect has been observed in the vacuum-ultraviolet spectra of mercury/xenon mixtures deposited at 10-30°K, where the Xe Wannier states are abruptly washed out at (55±5)% of Hg.

Original languageEnglish
Pages (from-to)1643-1646
Number of pages4
JournalPhysical Review Letters
Volume28
Issue number25
DOIs
StatePublished - 1972

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