覆鈀鉭針之皺化結構研究
dc.contributor | 傅祖怡 | zh_TW |
dc.contributor.author | 侯勁龍 | zh_TW |
dc.date.accessioned | 2019-09-05T02:18:49Z | |
dc.date.available | 2008-7-1 | |
dc.date.available | 2019-09-05T02:18:49Z | |
dc.date.issued | 2008 | |
dc.description.abstract | 本研究先以多晶鉭線材在真空退火下再次結晶,並以掃描電子顯微鏡(SEM)與聚焦離子束(FIB)系統檢視晶粒擴大現象,其蝕刻成針尖形樣品後,結構較為穩固,提高在場離子顯微鏡(FIM)觀察時的電場耐受度。而鉭線退火於壓力10-6~10-7 Torr下,以SEM觀測表面發現因殘餘氣體誘發的皺化結構,以FIM系統鋪氧測試多組退火參數,尚未發現皺化結構。而覆鈀鉭針以675°C~685°C退火觀察,可發現由3個{110}擴張聚向鉭(111)面的皺化結構。 | zh_TW |
dc.description.sponsorship | 物理學系 | zh_TW |
dc.identifier | GN0695410036 | |
dc.identifier.uri | http://etds.lib.ntnu.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dstdcdr&s=id=%22GN0695410036%22.&%22.id.& | |
dc.identifier.uri | http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/102650 | |
dc.language | 中文 | |
dc.subject | 覆鈀 | zh_TW |
dc.subject | 鉭 | zh_TW |
dc.subject | 皺化 | zh_TW |
dc.title | 覆鈀鉭針之皺化結構研究 | zh_TW |
dc.title | The faceting structures of Pd covered Ta tips | en_US |
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