FAST-CRYSTALLIZING SB-BASED THIN-FILMS UNDER PICOSECOND AND NANOSECOND LASER-PULSES

被引：29

作者：

AFONSO, CN

MORILLA, MC

SOLIS, J

RIZVI, NH

OLLACARIZQUETA, MA

CATALINA, F

机构：

[1] Instituto de Optica, CSIC, E-28006 Madrid

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1993年 / 173卷 / 1-2期

关键词：

D O I：

10.1016/0921-5093(93)90241-6

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Crystallization is triggered in Sb-rich GeSb and SbO amorphous films by irradiation with short (nanosecond) and ultra-short (picosecond) laser pulses. Crystallization is accompanied by optical contrast and the process ends within the nanosecond time scale, independently of the irradiation pulse length (nano- or picosecond). In GeSb alloys the observed process always involves melting and rapid solidification. The observed changes in the film optical properties both during and after laser irradiation are consistent with the formation of Sb crystals with no evidence of other crystalline phases.

引用

页码：343 / 346

页数：4

共 14 条

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