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Title: Rise in energy product of Sm-Co/Fe spring exchange magnetic bilayers with addition of Cr at interface
Authors: Shahzad, Furrukh
Siddiqi, Saadat Anwar
Jing, Xu
Hong-liang, Bai
Min-jian, Tang
Keywords: Multilayers;Exchange spring magnet;Nanocomposite;(BH)max product
Issue Date: Aug-2011
Publisher: NISCAIR-CSIR, India
Abstract: Sm-Co/Fe bilayers are deposited by DC and RF magnetron sputtering on 70 nm Cr buffered Si (100) substrate at an elevated temperature of 650°C. Thickness of Sm-Co and Fe is fixed as 20 nm and 10 nm, respectively. Magnetic behavior with very thin Cr layers (0.3-0.7 nm) at interface of Sm-Co and Fe is studied. All the samples showed strong exchange coupling and single phase hysteresis loops. The energy product (BH)max value is enhanced to 15% for 0.6 nm Cr layer as compared to the sample without Cr interlayer.
Page(s): 329-331
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.18(4) [August 2011]

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