Si对Sm_2Fe_(17)化合物的结构及其磁性能的影响  

Effect of Si on the Structure and Magnetic Properties of Sm 2Fe 17 Compounds

作　　者：徐仁根[1,2] 王新华[1,2] 吴建民[1,2] 崔利亚[1,2] 陈长聘[1,2] 王启东[1,2] 戴礼智[1,2] 

机构地区：[1]浙江大学 [2]北京钢铁研究总院

出　　处：《稀有金属材料与工程》1999年第1期34-37,共4页Rare Metal Materials and Engineering

摘　　要：系统研究了Ｓｉ置换部分Ｆｅ的Ｓｍ２Ｆｅ１７－ｘＳｉｘ（ｘ＝０，１，２，３）化合物及其氢化物的磁性能。首次发现Ｓｍ２（Ｆｅ，Ｓｉ）１７化合物对应的氢化物升温时测得的居里温度比降温时测得的居里温度高，其差值为ΔＴ＊ｃ。详细讨论了ΔＴ＊ｃ与Ｓｍ２（Ｆｅ。The magnetic properties of Sm 2Fe 17- x Si x ( x =0, 1, 2, 3) compounds and their hydrides have been systematically investigated. It was found that the Curie temperatures of the hydrides of Sm 2(Fe,Si) 17 measured during heating are higher than those measured during cooling. The difference between the Curie temperatures is denoted by Δ Τ * c. The relationships between the structural stability of Sm 2(Fe,Si) 17 compounds and their corresponding hydrides with Δ T * c are discussed.

关 键 词：Sm2Fe17 氢 结构稳定性 硅掺杂 磁性能 氢化物 

分 类 号：O614.337[理学—无机化学]