ELECTRICAL-CONDUCTIVITY OF TETRAPOD-SHAPED ZNO WHISKERS

被引：11
|
作者：
OKU, M
机构：
[1] Matsushita Industrial Equipment Co. Ltd., Toyonaka, Osaka, 561
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 9B期
关键词：
ZNO WHISKERS; TETRAPOD-SHAPED WHISKERS; ELECTRICAL CONDUCTIVITY; WHISKER POWDER; RECTIFICATION; DEPLETION LAYER;
D O I：
10.1143/JJAP.32.4377
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The electrical conductivity of tetrapod-shaped ZnO whiskers was measured under different atmospheric conditions. Apparent resistivity of 10(4) approximately 10(8) OMEGA.cm was obtained in the form of the compressed whisker powder. The conductivity was found to depend strongly on the compressive pressure, the electrical field strength and the atmosphere. The rectification effect was observed in current-voltage measurements of the whiskers using a pair of parallel-plane electrodes for powder material. The rectification was interpreted to be mainly caused by the depletion layer formed near the crystal surface due to the oxygen chemisorption on the crystal surface.
引用
收藏
页码：4377 / 4379
页数：3
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