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2000 | 97 | 3 | 535-538
Article title

Magnetic Properties and GMR of Sputtered Permalloy/Au Multilayers

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EN
Abstracts
EN
We report on structural, magnetic, and GMR properties of permalloy/Au multilayers where permalloy = Ni_{83}Fe_{17}, deposited by face-to-face sputtering onto Si(111) substrate. X-ray diffraction studies confirmed a good structural quality of our multilayers. The samples were characterised with vibrating sample magnetometer, longitudinal magnetooptical Kerr effect and giant magnetoresistance measurements. It was determined that our multilayers are magnetically very soft with H_{c} ≈ 1 Oe and show uniaxial anisotropy with H_{K} ≈ 5 Oe. For gold sublayer thickness d_{Au} close to 1.1 nm the antiferromagnetic coupling is present in very narrow Au thickness range (≈ 0.2 nm). Despite a good structural quality of samples relatively small giant magnetoresistance value (1.2% at room temperature) was found. It is due to non-perfect aniferromagnetic coupling caused by pinholes.
Keywords
EN
Year
Volume
97
Issue
3
Pages
535-538
Physical description
Dates
published
2000-03
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv97z343kz
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