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Structure and magnetic properties of textured Nd(Fe,Ti)12Nxfilms

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
209
Identifiers
DOI: 10.1016/s0304-8853(99)00688-5
Keywords
  • Thin Films
  • (0 0 2) Texture
  • Nitriding
  • Kronmüller Model

Abstract

Abstract Highly c-axis-textured Nd(Fe,Ti) 12N x films were prepared by DC magnetron sputtering on Si(1 0 0) at 450°C and subsequent nitriding. The as-deposited films contained mainly ThMn 12 structure and a second phase α-Fe. The films retained the same structure after nitriding at 450°C for 10 min, while the unit cell volume was increased by 3%. Typical coercivity and grain size of films, before and after nitiriding, were found to be `500 Oe, 140 nm'; and `2800 Oe, 170 nm', respectively. The coercivity mechanism was found to be nucleation of reverse-domain-type by fitting the Kronmüller model.

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