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Low-temperature processing of lead zirconate titanate thin films by 28 GHz microwave irradiation for MEMS application

  • Z. J. Wang
  • , H. Kokawa
  • , H. Takizawa
  • , M. Ichiki
  • , R. Maeda
  • Tohoku University
  • National Institute of Advanced Industrial Science and Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

2 引用 (Scopus)

摘要

Pb(ZrxTi1-x)O3 (PZT) thin films were coated on Pt/Ti/SiO2/Si substrates by a sol-gel method and then crystallized by 28 GHz microwave irradiation. The crystalline phases and microstructures as well as the electrical properties of the microwave-irradiated PZT films were investigated as a function of the elevated temperature generated by microwave irradiation. X-ray diffraction analysis indicated that the PZT films crystallized well into the perovskite phase at an elevated temperature of 480°C by microwave irradiation. Scanning electron microscopy images showed that the films had a granular grain structure and most of the grains were approximately 1.5 μm in size. With increasing the elevated temperature from 480°C to 600°C by microwave irradiation, the breadth of grain boundaries of the films became narrow and the remanent polarization of the films increased lightly. It is clear that microwave irradiation is effective for obtaining well-crystallized PZT films with good properties at low temperatures in a short time.

源语言英语
主期刊名Smart Materials IV
DOI
出版状态已出版 - 2007
已对外发布
活动SPIE International Symposium on Smart Materials, Nano- and Micro-Smart Systems - Adelaide, 澳大利亚
期限: 11 12月 200613 12月 2006

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
6413
ISSN(印刷版)0277-786X

会议

会议SPIE International Symposium on Smart Materials, Nano- and Micro-Smart Systems
国家/地区澳大利亚
Adelaide
时期11/12/0613/12/06

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