The Investigation of Preferred Orientation Growth of ZnO Films on the Ceramic Substrates

Sheng Yuan Chu, Te Yi Chen, Walter Water, Tung Yi Huang

研究成果: Conference article同行評審

摘要

Poly-crystal ZnO films with c-axis (002) orientation have been successfully grown on the lead-based ceramic substrates by r.f. magnetron sputtering technique. The deposited films were characterized as a function of deposition time and argon-oxygen gas flow ratio. Crystalline structures of the films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and atomic force microscopy (AFM). Highly oriented films with c-axis normal to the substrates can be obtained by depositing under a total pressure of 10mTorr containing 50% argon and 50% oxygen and r.f. power of 70W for 3 hours. The phase velocity, electromechanical coupling coefficient and temperature coefficient of frequency of SAW device with ZnO/IDT/PT-ceramic structure were investigated. It shows that the preferred oriented ZnO film is beneficial for improving the electromechanical coupling coefficient of SAW device.

原文English
頁(從 - 到)95-110
頁數16
期刊Materials Research Society Symposium - Proceedings
764
DOIs
出版狀態Published - 2003
事件MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS: New Applications for Wide-Bandgap Semiconductors - San Francisco, CA, United States
持續時間: 2003 四月 222003 四月 24

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業

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