ELECTRICAL PROPERTIES OF ELECTRON BEAM EVAPORATED BARIUM TITANATE FILM ON SILICON.

Chung-Yu Wu*, Ching Yuan Wu

*Corresponding author for this work

研究成果: Article同行評審

摘要

The electrical properties of barium titanate films approximately from 1000A degree to 5000A degree thick, prepared by electron beam evaporation onto silicon (n or p) substrates in high vacuum system were investigated. The effects of substrate heating during deposition, different temperature and gases annealing process after the film, including the dielectric constant, loss tangent, conductivity, metal-insulator-semiconductor surface properties, and ferroelectricity were also investigated. It was found that the room temperature substrate deposition and the annealing temperature below 120 degree C, would give the relative dielectric constant up to 1000 for both n- and p-type silicon substrate. The ferroelectric transition of a barium titanate-silicon MIS structure was observed. The hysteresis behavior of the structure was demonstrated for the first time and seems promising for use as a nonvolatile memory device.

原文English
頁(從 - 到)155-166
頁數12
期刊J Natl Chiao Tung Univ
1
出版狀態Published - 1 一月 1976

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