STRUCTURAL AND OPTICAL-PROPERTIES OF AMORPHOUS IN1-XPX FILMS

被引:6
作者
BAKER, SH [1 ]
BAYLISS, SC [1 ]
GURMAN, SJ [1 ]
ELGUN, N [1 ]
WILLIAMS, BT [1 ]
DAVIS, EA [1 ]
机构
[1] LOUGHBOROUGH UNIV TECHNOL,DEPT PHYS & ASTRON,LOUGHBOROUGH LE11 3TU,LEICS,ENGLAND
关键词
D O I
10.1016/0022-3093(94)90230-5
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In1-xP(x) films have been prepared by rf sputtering with compositions in the range 0.4 < x < 0.9. The samples are completely amorphous for x > 0.5 but In-rich films contained crystallites. Extended X-ray absorption fine structure (EXAFS) and X-ray photoelectron spectroscopy measurements indicate that there is chemical disorder in the structural network of the a-In1-xP(x) films, although chemical ordering is predominant. Optical absorption data are found to be consistent with this assertion. Partial coordination numbers, deduced from the EXAFS measurements, are interpreted using thermodynamic arguments.
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收藏
页码:111 / 125
页数:15
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