विश्लेषणात्मक रसायन विज्ञान: एक भारतीय जर्नल
ISSN (PRINT): 0974-7419

अमूर्त

Giant magnetic anisotropy of Fe3Pt thin films at low temperature

M.A.I.Nahid, Takao Suzuki


The Fe3Pt alloy thin films were grown on MgO substrates at the various growth temperatures by e-beam evaporation in a high vacuum. The magnetic properties such as saturationmagnetization, coercivity,magnetic anisotropy etc. of the Fe3Pt alloy thin films were studied as a function of temperature varying in the range of 80Kto 600K.At lowtemperature (80K), the Fe3Pt films possessed giant cubic magnetic anisotropy (K1ï‚»7×106 erg/cc and K2ï‚»2.2×107 erg/cc). The magnetic anisotropy constants of Fe3Pt films were found to decrease slowly with temperature and vanished at Curie temperature. The Curie temperature of Fe3Pt thin films were also studied as a function of ordering. It was observed that higher ordered sample exhibited lower Curie temperature.


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  • ब्रह्मांड IF
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