Screening of Wannier Exciton States near the Metal-Insulator Transition

Baruch Raz; Aharon Gedanken; Uzi Even; Joshua Jortner

doi:10.1103/PhysRevLett.28.1643

Screening of Wannier Exciton States near the Metal-Insulator Transition

Baruch Raz
, Aharon Gedanken
, Uzi Even
, Joshua Jortner

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

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 language	English
Pages (from-to)	1643-1646
Number of pages	4
Journal	Physical Review Letters
Volume	28
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.28.1643
State	Published - 1972
Externally published	Yes

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10.1103/PhysRevLett.28.1643

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title = "Screening of Wannier Exciton States near the Metal-Insulator Transition",

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.",

author = "Baruch Raz and Aharon Gedanken and Uzi Even and Joshua Jortner",

year = "1972",

doi = "10.1103/PhysRevLett.28.1643",

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AB - 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.

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Screening of Wannier Exciton States near the Metal-Insulator Transition

Abstract

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