001     29229
005     20200423203500.0
017 _ _ |a This version is available at the following Publisher URL: http://apl.aip.org
024 7 _ |a 10.1063/1.1563056
|2 DOI
024 7 _ |a WOS:000181666500033
|2 WOS
024 7 _ |a 2128/1223
|2 Handle
037 _ _ |a PreJuSER-29229
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Physics, Applied
100 1 _ |a Paul, A.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB10308
245 _ _ |a Optimizing the giant magnetoresistance of NiFe/Cu/Co pseudo spin-valves prepared by magnetron sputtering
260 _ _ |a Melville, NY
|b American Institute of Physics
|c 2003
300 _ _ |a 1905 - 1907
336 7 _ |a Journal Article
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440 _ 0 |a Applied Physics Letters
|x 0003-6951
|0 562
|y 12
|v 82
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a We study the dependence of magnetic and magnetotransport properties of NiFe/Cu/Co pseudo spin-valves on the pressure of the Ar sputtering gas during magnetron deposition. The giant magnetoresistance (GMR) ratio as a function of the sputtering pressure behaves nonmonotonically with a maximum of about 4% at an intermediate pressure of 0.87x10(-2) mbar. Magneto-optic Kerr-effect measurements reveal different coercive fields and independent switching of the Co and NiFe layers. The structural characterization by x-ray scattering shows no significant pressure dependence. However, we observe by atomic force microscopy a variation of the grain structure with increasing sputtering pressure; the grain size first decreases and then the grains start clustering for highest pressures. The reduced coercive field and the lower GMR ratio indicate that the clustered grains have weaker magnetic pinning and increased spin-independent scattering. (C) 2003 American Institute of Physics.
536 _ _ |a Kondensierte Materie
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536 _ _ |a Materialien, Prozesse und Bauelemente für die Mikro- und Nanoelektronik
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700 1 _ |a Damm, T.
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700 1 _ |a Bürgler, D. E.
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700 1 _ |a Stein, S.
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700 1 _ |a Kohlstedt, H.
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700 1 _ |a Grünberg, P. A.
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773 _ _ |a 10.1063/1.1563056
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|t Applied physics letters
|v 82
|y 2003
|x 0003-6951
856 7 _ |u http://dx.doi.org/10.1063/1.1563056
|u http://hdl.handle.net/2128/1223
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914 1 _ |y 2003
915 _ _ |0 StatID:(DE-HGF)0010
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