Low temperature properties of spin valves with extremely thin IrMn

J. C. Eckert; N. P. Stern; A. E. Barton; D. A. Mann; P. D. Sparks; M. J. Carey

doi:10.1063/1.1451888

Low temperature properties of spin valves with extremely thin IrMn

J. C. Eckert^*, N. P. Stern, A. E. Barton, D. A. Mann, P. D. Sparks, M. J. Carey

^*Corresponding author for this work

Physics and Astronomy

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

6 Scopus citations

Abstract

The properties of IrMn spin valves with t _IrMn≤26Å are explored at temperatures down to 5 K. The structure is: Ti(50Å)/ NiFe(40Å)/Co(8Å)/Cu(30Å)/Co(30Å)/IrMn(tÅ)/ Ti(50Å) on a Si substrate. The low temperature giant magnetoresistance(GMR) is not greatly affected by the thickness of the IrMn. The thinner the IrMn, the lower the temperature at which the GMR is adversely affected. This is consistent with a reduction in blocking temperature. A number of interesting features in the coercivity and field training are IrMn thickness dependent.

Original language	English (US)
Pages (from-to)	8569-8571
Number of pages	3
Journal	Journal of Applied Physics
Volume	91
Issue number	10 I
DOIs	https://doi.org/10.1063/1.1451888
State	Published - May 15 2002

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Low temperature properties of spin valves with extremely thin IrMn",

abstract = "The properties of IrMn spin valves with t IrMn≤26{\AA} are explored at temperatures down to 5 K. The structure is: Ti(50{\AA})/ NiFe(40{\AA})/Co(8{\AA})/Cu(30{\AA})/Co(30{\AA})/IrMn(t{\AA})/ Ti(50{\AA}) on a Si substrate. The low temperature giant magnetoresistance(GMR) is not greatly affected by the thickness of the IrMn. The thinner the IrMn, the lower the temperature at which the GMR is adversely affected. This is consistent with a reduction in blocking temperature. A number of interesting features in the coercivity and field training are IrMn thickness dependent.",

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T1 - Low temperature properties of spin valves with extremely thin IrMn

AU - Eckert, J. C.

AU - Stern, N. P.

AU - Barton, A. E.

AU - Mann, D. A.

AU - Sparks, P. D.

AU - Carey, M. J.

PY - 2002/5/15

Y1 - 2002/5/15

N2 - The properties of IrMn spin valves with t IrMn≤26Å are explored at temperatures down to 5 K. The structure is: Ti(50Å)/ NiFe(40Å)/Co(8Å)/Cu(30Å)/Co(30Å)/IrMn(tÅ)/ Ti(50Å) on a Si substrate. The low temperature giant magnetoresistance(GMR) is not greatly affected by the thickness of the IrMn. The thinner the IrMn, the lower the temperature at which the GMR is adversely affected. This is consistent with a reduction in blocking temperature. A number of interesting features in the coercivity and field training are IrMn thickness dependent.

AB - The properties of IrMn spin valves with t IrMn≤26Å are explored at temperatures down to 5 K. The structure is: Ti(50Å)/ NiFe(40Å)/Co(8Å)/Cu(30Å)/Co(30Å)/IrMn(tÅ)/ Ti(50Å) on a Si substrate. The low temperature giant magnetoresistance(GMR) is not greatly affected by the thickness of the IrMn. The thinner the IrMn, the lower the temperature at which the GMR is adversely affected. This is consistent with a reduction in blocking temperature. A number of interesting features in the coercivity and field training are IrMn thickness dependent.

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