第7卷‧第3期,
198307
, pp. 212-220
無晶形矽基合金研究
- 作者:
葉鳳生; 陳隆傑; 黃淑珍
- 作者服務機構:
國立清華大學電機工程研究所; 私立復興工業專科學校化學科; 國立清華大學物理研究所
- 中文摘要:
無晶形矽氫、矽氫氟合金薄膜,在r.f.撞積(sputtering)及輝光放電(glow-discharge)系統分別製成,以通入不同比例之氬、氫、氟化矽等氣體沈積多種樣品,再以X光、導電、光導、光吸收及紅外線之吸收情形來瞭解薄膜之基本性質,紅外光譜之分析,找出氫鍵、氟鍵之存在、導電係數及光導係數之大小,可瞭解活化能之大小,光線吸收之情形決定了光能隙,這些實驗顯示出此二種矽基合金中,無晶形氫、氟矽合金含較低的局布狀態,又在退火實驗中,也知無晶形矽氫氟合金有較佳的抗熱阻力,所以無晶形矽氫氟合金在電子元件材料中,有發展之價值。
- 英文摘要:
Amorphous silicon-based alloys containing hydrogen and fluorine have been fabricated by r.f. sput-tering and r.f. glow discharge in silicon tetrafluroride, hydrogen, and Ar gas. Films have been characterizedusing X-ray diffraction, conductivity, photoconductivity, optical absorption and infra-red techniques.Infra-red spectrum shows films contain hydrogen bond and fluorine bond. Photconductivity and conduc-tivity give the activation energy of the film. The optical energy gap can be determined from optical absorp-tion. Also, all measurement indicates the lower density of states achieved in the a-Si:H:F alloy. The studyon annealing effect gives the evidence the a-Si:H:F is heat resistant. So a-Si:H:F is one of the most prom-ising materials for electronic device application.
- 中文關鍵字:
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- 英文關鍵字:
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