INVESTIGATION OF AMORPHOUS TO CRYSTALLINE TRANSITIONS IN INSE THIN-FILMS

被引:11
作者
RAO, SR [1 ]
NAGABHOOSHANAM, M [1 ]
BABU, VH [1 ]
机构
[1] OSMANIA UNIV, PG COLL SCI, DEPT PHYS, HYDERABAD 500004, INDIA
关键词
D O I
10.1002/crat.2170250111
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The amorphous to crystalline transitions in InSe films have been investigated by different techniques. InSe compound was prepared from non‐stoichiometric amounts of indium and selenium in vacuum. The electrical conductivity and thermoelectric power measurements were made in films of different thicknesses and annealed for different times. TEP studies revealed that the films are p‐type. The conductivity studies have shown transition from amorphous to crystalline. The transition temperature is found to decrease with increase in (i) the thickness of the film, (ii) the time of annealing. Electronmicrographs and selected area diffraction patterns on as‐grown and annealed films have been taken and correlated with the conductivity results. The mechanism involved in the amorphous to crystalline transitions has been discussed. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA
引用
收藏
页码:55 / 60
页数:6
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