Structural, electronic and magnetic properties of the Mn_54−xAl₄₆Ti_x (x = 2; 4) alloys

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• 作者：R. Gavrea^a ; R. Hirian^a ; S. Mican^a ; D. Benea^a ; O. Isnard^b ; ^c ; M. Coldea^a ; V. Pop^a ; ^{viorel.pop@phys.ubbcluj.ro}
• 关键词：Mn-Al alloys ; Ti substitution ; Band structure calculations ; Crystal structure ; Magnetic properties
• 刊名：Intermetallics
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：82
• 期：Complete
• 页码：101-106
• 全文大小：1297 K
• 卷排序：82

文摘

Band structure calculations show a preference for Ti atoms to occupy the Mn sites in the plane of Al atoms. The highest Curie temperature of 668 K reported so far for Mn-Al system. The best magnetic characteristics were obtained for Mn52Al46Ti2 alloy annealed at 470 °C for 6 h.