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구리촉매를 이용한 4족 원소 나노선의 고상촉매합성법

Title
구리촉매를 이용한 4족 원소 나노선의 고상촉매합성법
Authors
김동언
Date Issued
2010
Publisher
포항공과대학교
Abstract
In this paper, we compared kinetics of VLS growth and VSS growth of group IV semiconductor nanowires. By using Cu as solid catalyst, we can synthesize Si and Ge nanowires below their Eutectic temperature. We discovered that activation energies for nanowires growth by solid-catalytic growth are higher than by liquid-catalytic growth. From kinetics analysis, we suppose that diffusion of Si or Ge atoms through catalysts is not rate-limiting step but surface chemical reaction of precursors or incorporation of Si or Ge adatoms.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000000578950
http://oasis.postech.ac.kr/handle/2014.oak/774
Article Type
Thesis
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