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Thick NdFeB films have been prepared by triode sputtering with a deposition rate of 20 mum/hour. Films were deposited on either "cool" substrates or onto substrates heated in the range 300-500degC and then annealed at 750degC for 10 minutes. Magnetic characterisation was carried out at room temperature with an extraction magnetometer in fields of up to 10 T. Microstructures were observed...
The magnetic properties bulk nanograin composite Nd-Fe-B/Fe-Co magnets is enhanced reducing the size and improving the distribution of the soft phase throughout the magnet. This was achieved through various coating technologies applied to coat melt-spun micrometer-sized Nd-Fe-B powder particles with thin alpha-Fe or Fe-Co layers. These coating techniques include sputtering, pulsed laser deposition,...
In this study, Nd2Fe14B thin films with perpendicular anisotropy at the thickness as thin as 5 nm have been successfully prepared. The suitability of the films as perpendicular magnetic recording media has been discussed. The films were characterized by X-ray diffractometry (XRD), vibrating sample magnetometer (VSM) with maximum applied field 24 kOe, and scanning electron microscopy (SEM). The chemical...
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