Photoemission and inverse-photoemission studies of glassy GexSe1-x

被引：24

作者：

Taniguchi, M ^{[1
]}

Kouchi, T ^{[1
]}

Ono, I ^{[1
]}

HOsokawa, S ^{[1
]}

Nakatake, M ^{[1
]}

Namatame, H ^{[1
]}

Murase, K ^{[1
]}

机构：

[1] OSAKA UNIV,FAC SCI,DEPT PHYS,TOYONAKA,OSAKA 560,JAPAN

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 1996年 / 78卷

关键词：

D O I：

10.1016/S0368-2048(96)80134-4

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Valence-band UPS and conduction-band IPES spectra of glassy GexSe1-x (0 less than or equal to x less than or equal to 0.33) exhibit a distinct change in their spectral features near x=0.2. This observation is consistent with an occurrence of percolation threshold in non-crystalline covalent networks predicted by Phillips and Thorpe. The threshold is characterized by the percolation of a specific Ge(Se-1/2)(4) molecular unit over the material.

引用

页码：507 / 510

页数：4

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