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Resistance switching in the metal deficient-type oxides: NiO and CoO

被引：145
作者：
Shima, Hisashi
Takano, Fumiyoshi
Akinaga, Hiro
Tamai, Yukio
Inoue, Isao H.
Takagi, Hide
机构：
[1] Natl Inst Adv Ind Sci & Technol, NRI, Tsukuba, Ibaraki 3058568, Japan
[2] Sharp Co Ltd, Corp Res & Dev Grp, Adv Mat Res Labs, Fukuyama, Hiroshima 7218522, Japan
[3] Natl Inst Adv Ind Sci & Technol, CERC, Tsukuba, Ibaraki 3058568, Japan
[4] Univ Tokyo, Dept Adv Mat, Kashiwa, Chiba 2778581, Japan
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 01期
关键词：
D O I：
10.1063/1.2753101
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The resistance switching properties in Pt/Ni-O/Pt and Pt/Co-O/Pt synthesized by the magnetron sputtering have been investigated. The oxygen partial pressure during sputtering and the post-thermal process are crucial to forming of the trilayer. By investigating x-ray photoemission spectroscopy spectra, the increase of initial resistance in Ni-O was caused by the variation of the stoichiometry, while that in the Co-O was accompanied by the phase transformation between CoO and Co3O4. The resistance switching in Pt/Co-O/Pt and Pt/Ni-O/Pt exhibits the analogous electrode area and temperature dependences. As a result of the I-V measurements at the elevated temperature, the assistance of Joule heating in the reset process is implied. (C) 2007 American Institute of Physics.
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页数：3
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