Effect of Mo interlayer on magnetic properties of exchange coupled Sm-Co/Fe bilayers
Sm-Co/Fe, hard/soft magnetic bilayers have been fabricated on 70 nm Cr buffered Si (100) substrate by dc and rf magnetron sputtering and annealed at 525O C for 30min. Very thin Mo layers (0-0.7 nm) were introduced between Sm-Co and Fe layers. The samples were analyzed by X-Ray Diffraction (XRD) and Alternating Gradient Magnetometer (AGM). All of the samples showed strong exchange coupling between hard and soft magnetic phases. Magnetization, coercivity and energy product (BH)max suggest a sinusoidal behavior. The energy product was found increased to 45% for 0.3 nm Mo interlayer as compared to sample without Mo layer.
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Main Authors: | Shahzad,Furrukh, Siddiqi,Saadat Anwar, Yan,Shi-Shen, Jing,Xu, Hong-liang,Bai, Min-jian,Tang, Peng-fei,Xing, Shu-min,He, Tong-shuai,Xu |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Física
2010
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332010000200013 |
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