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|Title:||Rise in energy product of Sm-Co/Fe spring exchange magnetic bilayers with addition of Cr at interface|
Siddiqi, Saadat Anwar
Exchange spring magnet
|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 (<i style="">BH</i>)<sub>max </sub>value is enhanced to 15% for 0.6 nm Cr layer as compared to the sample without Cr interlayer.|
|ISSN:||0975-1017 (Online); 0971-4588 (Print)|
|Appears in Collections:||IJEMS Vol.18(4) [August 2011]|
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