Effect of metal additives on L1₀ ordering of chemically synthesized FePt nanoparticles

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• 作者：J.W. Harrell ; D.E. Nikles ; S.S. Kang ; X.C. Sun ; Z. Jia ; S. Shi ; J. Lawson ; Gregory B. Thompson ; Chandan Srivastava and Naidu V. Seetala
• 关键词：FePt nanoparticles ; Magnetic anisotropy ; Ordering ; Hard magnets ; Annealing
• 刊名：Scripta Materialia
• 出版年：2005
• 期刊代码：157_13596462
• 类别：et
• 出版时间：2005
• 卷：53
• 期：4
• 页码：411-416
• 文件大小：171 K

摘要

The effect of additive Au, Ag, Pd, Cr, and Cu on the chemical ordering, magnetic properties, and grain growth of chemically synthesized FePt nanoparticles has been investigated. The L1₀ phase has been obtained by solution annealing and direct synthesis. Easy axis alignment has been obtained using dispersed L1₀ FePt nanoparticles.