ION-BEAM SYNTHESIS OF BURIED FESI2 IN (100) SILICON

被引:13
|
作者
PANKNIN, D
WIESER, E
GROETZSCHEL, R
SKORUPA, W
BAITHER, D
BARTSCH, H
QUERNER, G
DANZIG, A
机构
[1] INST FESTKORPERPHYS & ELEKTR MIKROSKOPIE,O-4010 HALLE,GERMANY
[2] TECH UNIV DRESDEN,INST WERKSTOFFPHYS,O-8027 DRESDEN,GERMANY
关键词
D O I
10.1016/0921-5107(92)90270-J
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The formation of iron silicide by high dose implantation of iron ((2-5) x 10(17) Fe+ cm-2, 300 keV) at 350-degrees-C and subsequent two-step annealing was investigated. The depth distribution of iron was studied by Rutherford backscattering spectrometry, in particular the change in iron concentration for the phase transition from beta-FeSi2 to alpha-FeSi2. Using X-ray diffraction, an admixture of FeSi in addition to FeSi2 was detected in all samples investigated, and also in the as-implanted state. Cross-sectional transmission electron microscopy indicated preferred epitaxial growth of the silicide. The transition from the semiconducting to the metallic state as a result of high temperature annealing was detected by sheet resistivity measurements.
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收藏
页码:119 / 122
页数:4
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