Fabrication and Characterization of SmCo5/Fe65Co35 and SmCo5/Fe Composite Spring Exchange Magnets |
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| Authors: | F Shahzad S A Siddiqi J Zhou |
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| Institution: | Centre for Solid State Physics, University of the Punjab, Lahore-54590, PakistanDepartment of Physics, University of California, Berkeley, California-94720, USA |
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| Abstract: | SmCo5/Fe65Co35 and SmCo5/Fe spring exchange magnets are fabricated by dc magnetron sputtering on MgO substrates and 100-nm-thick Si3N4 membranes, respectively. The base pressure of sputtering chamber is kept below 10-7 Torr, and Ar pressure is 3 to 8mTorr. The samples are characterized by an x-ray diffractometer, a superconducting quantum interference magnetometer, and high resolution magnetic soft x-ray microscopy. We obtain the complete exchange coupling and single phase behaviour of composite magnets. The (BH)max value achieved is 28.8MGOe. |
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| Keywords: | 75 75 +a 68 65 Ac 75 30 Gw 07 85 Tt |
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