LOW-TEMPERATURE ION-INDUCED EPITAXIAL-GROWTH OF ALPHA-FESI2 AND CUBIC FESI2 IN SI

被引:52
|
作者
LIN, XW [1 ]
BEHAR, M [1 ]
DESIMONI, J [1 ]
BERNAS, H [1 ]
WASHBURN, J [1 ]
LILIENTALWEBER, Z [1 ]
机构
[1] CTR SPECTROMETRIE NUCL & SPECTROMETRIE MASSE,F-91405 ORSAY,FRANCE
关键词
D O I
10.1063/1.109727
中图分类号
O59 [应用物理学];
学科分类号
摘要
Ion-beam-induced epitaxial crystallization of amorphous Si implanted with Fe to 18 at. % peak concentration was studied. The structure of the specimen was characterized using transmission electron microscopy and Rutherford backscattering spectrometry. Both cubic FeSi2 and alpha-FeSi2 were formed in epitaxy with the Si matrix with two types of orientations (fully aligned and twinned). The twins of alpha-FeSi2 and those of cubic FeSi2 were found to have exactly the same type of epitaxial relationship as for the aligned ones. The thermodynamically stable beta-FeSi2 is not formed, demonstrating that ion-beam-induced crystallization can lead to preferential phase formation as well as to epitaxy.
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页码:105 / 107
页数:3
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