Estimation of the Band Gap of InPO4

J. F. Wager; C. W. Wilmsen; L. L. Kazmerski

doi:10.1063/1.94003

Estimation of the Band Gap of InPO4

J. F. Wager, C. W. Wilmsen, L. L. Kazmerski

Materials Science

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18 Scopus Citations

Abstract

The band gap of a thin layer of InPO₄ was estimated to be 4.5 eV using a novel approach employing ultraviolet photoelectron spectroscopy and electron energy loss spectroscopy. The technique measures the conduction-band minimum and valence-band maximum referenced to the In 4d core line energy. Since this technique is highly surface sensitive, it can be used to measure the band gap of a thin layer. This parameter is difficult to measure in such layers using conventional techniques.

Original language	American English
Pages (from-to)	589-591
Number of pages	3
Journal	Applied Physics Letters
Volume	42
Issue number	7
DOIs	https://doi.org/10.1063/1.94003 https://doi.org/10.1063/1.94003
State	Published - 1983

Bibliographical note

Work performed by Hughes Research Laboratories, Malibu, California; Department of Electrical Engineering, Colorado State University, Fort Collins, Colorado; and Solar Energy Research Institute, Golden, Colorado

NREL Publication Number

ACNR/JA-213-4096

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note = "Work performed by Hughes Research Laboratories, Malibu, California; Department of Electrical Engineering, Colorado State University, Fort Collins, Colorado; and Solar Energy Research Institute, Golden, Colorado",

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PY - 1983

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AB - The band gap of a thin layer of InPO4 was estimated to be 4.5 eV using a novel approach employing ultraviolet photoelectron spectroscopy and electron energy loss spectroscopy. The technique measures the conduction-band minimum and valence-band maximum referenced to the In 4d core line energy. Since this technique is highly surface sensitive, it can be used to measure the band gap of a thin layer. This parameter is difficult to measure in such layers using conventional techniques.

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Estimation of the Band Gap of InPO4

Abstract

Bibliographical note

NREL Publication Number

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