STRUCTURAL STUDY OF TIN AND CARBON COIMPLANTED SILICON

被引:6
作者
MEI, P [1 ]
SCHMIDT, MT [1 ]
YANG, ES [1 ]
WILKENS, BJ [1 ]
机构
[1] BELLCORE,RED BANK,NJ 07701
关键词
D O I
10.1063/1.347410
中图分类号
O59 [应用物理学];
学科分类号
摘要
The alloy system Si(x)(Sn(y)C1-y)1-x was investigated. The purpose is to form material with reduced strain at silicon heterojunctions. In this work, samples were prepared by coimplantation of tin and carbon ions into silicon wafers within the dosage range 10(15)-10(16) cm-2, followed by rapid thermal annealing. Rutherford backscattering and channeling, Auger sputter profiling, and secondary-ion-mass spectrometry were employed to study the crystallinity, chemical composition, and depth profiles. A near-perfect crystallinity for 0.5 at. % of tin and carbon was achieved. For high-dose implanted samples, tin segregation was observed. This work demonstrates promising features of group-IV semiconductor synthesis by ion implantation.
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页码:8417 / 8419
页数:3
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