Giant magnetoresistance of Co/Cu magnetic multilayers at high pressure

Gendo Oomi; Hideaki Miyagawa; Takeshi Sakai; Kesami Saito; Koki Takanashi; Hiroyasu Fujimori

doi:10.1016/S0921-4526(99)02496-5

Giant magnetoresistance of Co/Cu magnetic multilayers at high pressure

Gendo Oomi, Hideaki Miyagawa, Takeshi Sakai, Kesami Saito, Koki Takanashi, Hiroyasu Fujimori

Collaborative Research Center on Energy Materials

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Electrical resistivities of [Co(10.8 Å)/Cu(t_Cu Å)]₁₅ magnetic multilayers(MML) having t_Cu = 9.8 and 11.7 Å have been measured as a function of magnetic field at high pressure. It is found that the electrical resistivity of these two MMLs shows a smooth temperature dependence below 2.2 GPa and the spin-dependent resistivity for t_Cu = 9.8 Å decreases with increasing pressure, while for t_Cu = 11.7 Å, it increases at high pressure. The origins of the enhancement of the spin-dependent resistivity at high pressure are briefly discussed.

Original language	English
Pages (from-to)	1245-1246
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)02496-5
Publication status	Published - 2000

Keywords

Giant magnetoresistance
High pressure
Magnetic multilayer

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Giant magnetoresistance of Co/Cu magnetic multilayers at high pressure",

abstract = "Electrical resistivities of [Co(10.8 {\AA})/Cu(tCu {\AA})]15 magnetic multilayers(MML) having tCu = 9.8 and 11.7 {\AA} have been measured as a function of magnetic field at high pressure. It is found that the electrical resistivity of these two MMLs shows a smooth temperature dependence below 2.2 GPa and the spin-dependent resistivity for tCu = 9.8 {\AA} decreases with increasing pressure, while for tCu = 11.7 {\AA}, it increases at high pressure. The origins of the enhancement of the spin-dependent resistivity at high pressure are briefly discussed.",

keywords = "Giant magnetoresistance, High pressure, Magnetic multilayer",

author = "Gendo Oomi and Hideaki Miyagawa and Takeshi Sakai and Kesami Saito and Koki Takanashi and Hiroyasu Fujimori",

year = "2000",

doi = "10.1016/S0921-4526(99)02496-5",

language = "English",

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TY - JOUR

T1 - Giant magnetoresistance of Co/Cu magnetic multilayers at high pressure

AU - Oomi, Gendo

AU - Miyagawa, Hideaki

AU - Sakai, Takeshi

AU - Saito, Kesami

AU - Takanashi, Koki

AU - Fujimori, Hiroyasu

PY - 2000

Y1 - 2000

N2 - Electrical resistivities of [Co(10.8 Å)/Cu(tCu Å)]15 magnetic multilayers(MML) having tCu = 9.8 and 11.7 Å have been measured as a function of magnetic field at high pressure. It is found that the electrical resistivity of these two MMLs shows a smooth temperature dependence below 2.2 GPa and the spin-dependent resistivity for tCu = 9.8 Å decreases with increasing pressure, while for tCu = 11.7 Å, it increases at high pressure. The origins of the enhancement of the spin-dependent resistivity at high pressure are briefly discussed.

AB - Electrical resistivities of [Co(10.8 Å)/Cu(tCu Å)]15 magnetic multilayers(MML) having tCu = 9.8 and 11.7 Å have been measured as a function of magnetic field at high pressure. It is found that the electrical resistivity of these two MMLs shows a smooth temperature dependence below 2.2 GPa and the spin-dependent resistivity for tCu = 9.8 Å decreases with increasing pressure, while for tCu = 11.7 Å, it increases at high pressure. The origins of the enhancement of the spin-dependent resistivity at high pressure are briefly discussed.

KW - Giant magnetoresistance

KW - High pressure

KW - Magnetic multilayer

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