Free-layer thickness dependence of GMR in Co/Permalloy/Co/Cu/Co multilayers

Tae Hyo Lee; Young Woo Lee; Cheol Gi Kim; Chong Oh Kim; D. Y. Kim; Yong Choi

doi:10.1016/S0921-4526(02)01852-5

Free-layer thickness dependence of GMR in Co/Permalloy/Co/Cu/Co multilayers

Tae Hyo Lee, Young Woo Lee, Cheol Gi Kim, Chong Oh Kim, D. Y. Kim, Yong Choi

Department of Physics and Chemistry

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

1 Scopus citations

Abstract

The magnetoresistance (MR) of Co (1)/Permalloy (t)/Co (0.4)/Cu (3.6)/Co (5) (nm) multilayers has been measured as a function of the free-layer thickness and temperature down 30K. The MR ratio decreases with small oscillations as the thickness of the free layer increases from 5 to 11nm, where the oscillation period is about 1nm. The MR behavior is dominantly affected by volume magnetic characteristics. The MR ratio increases as the measuring temperature decreases down to 100K, but then is followed by an increase, where the increasing rate of change of MR with decreasing temperature is also oscillatory with free-layer thickness.

Original language	English
Pages (from-to)	291-294
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	328
Issue number	3-4
DOIs	https://doi.org/10.1016/S0921-4526(02)01852-5
State	Published - May 2003

Bibliographical note

Funding Information:
This work was supported by the Korea Science and Engineering Foundation through the Research Center for Advanced Magnetic Materials (ReCAMM).

Keywords

Free-layer thickness
Giant magnetoresistance
Temperature dependence of magnetoresistance

Access to Document

10.1016/S0921-4526(02)01852-5

Cite this

@article{1cf01c8eb1294c54985117edca893d94,

title = "Free-layer thickness dependence of GMR in Co/Permalloy/Co/Cu/Co multilayers",

abstract = "The magnetoresistance (MR) of Co (1)/Permalloy (t)/Co (0.4)/Cu (3.6)/Co (5) (nm) multilayers has been measured as a function of the free-layer thickness and temperature down 30K. The MR ratio decreases with small oscillations as the thickness of the free layer increases from 5 to 11nm, where the oscillation period is about 1nm. The MR behavior is dominantly affected by volume magnetic characteristics. The MR ratio increases as the measuring temperature decreases down to 100K, but then is followed by an increase, where the increasing rate of change of MR with decreasing temperature is also oscillatory with free-layer thickness.",

keywords = "Free-layer thickness, Giant magnetoresistance, Temperature dependence of magnetoresistance",

author = "Lee, {Tae Hyo} and Lee, {Young Woo} and Kim, {Cheol Gi} and Kim, {Chong Oh} and Kim, {D. Y.} and Yong Choi",

note = "Funding Information: This work was supported by the Korea Science and Engineering Foundation through the Research Center for Advanced Magnetic Materials (ReCAMM).",

year = "2003",

month = may,

doi = "10.1016/S0921-4526(02)01852-5",

language = "English",

volume = "328",

pages = "291--294",

journal = "Physica B: Condensed Matter",

issn = "0921-4526",

publisher = "Elsevier B.V.",

number = "3-4",

}

TY - JOUR

T1 - Free-layer thickness dependence of GMR in Co/Permalloy/Co/Cu/Co multilayers

AU - Lee, Tae Hyo

AU - Lee, Young Woo

AU - Kim, Cheol Gi

AU - Kim, Chong Oh

AU - Kim, D. Y.

AU - Choi, Yong

N1 - Funding Information: This work was supported by the Korea Science and Engineering Foundation through the Research Center for Advanced Magnetic Materials (ReCAMM).

PY - 2003/5

Y1 - 2003/5

N2 - The magnetoresistance (MR) of Co (1)/Permalloy (t)/Co (0.4)/Cu (3.6)/Co (5) (nm) multilayers has been measured as a function of the free-layer thickness and temperature down 30K. The MR ratio decreases with small oscillations as the thickness of the free layer increases from 5 to 11nm, where the oscillation period is about 1nm. The MR behavior is dominantly affected by volume magnetic characteristics. The MR ratio increases as the measuring temperature decreases down to 100K, but then is followed by an increase, where the increasing rate of change of MR with decreasing temperature is also oscillatory with free-layer thickness.

AB - The magnetoresistance (MR) of Co (1)/Permalloy (t)/Co (0.4)/Cu (3.6)/Co (5) (nm) multilayers has been measured as a function of the free-layer thickness and temperature down 30K. The MR ratio decreases with small oscillations as the thickness of the free layer increases from 5 to 11nm, where the oscillation period is about 1nm. The MR behavior is dominantly affected by volume magnetic characteristics. The MR ratio increases as the measuring temperature decreases down to 100K, but then is followed by an increase, where the increasing rate of change of MR with decreasing temperature is also oscillatory with free-layer thickness.

KW - Free-layer thickness

KW - Giant magnetoresistance

KW - Temperature dependence of magnetoresistance

UR - http://www.scopus.com/inward/record.url?scp=0037403703&partnerID=8YFLogxK

U2 - 10.1016/S0921-4526(02)01852-5

DO - 10.1016/S0921-4526(02)01852-5

M3 - Article

AN - SCOPUS:0037403703

SN - 0921-4526

VL - 328

SP - 291

EP - 294

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - 3-4

ER -

Free-layer thickness dependence of GMR in Co/Permalloy/Co/Cu/Co multilayers

Abstract

Bibliographical note

Keywords

Access to Document

Other files and links

Fingerprint

Cite this