通过X射线衍射(XRD)、差热-热重(DTA-TC)联用仪以及磁测量等手段研究了ErFe11 Ti化合物在流动氮气氛从室温(～300K)到1473K升温过程中成分、结构及居里温度等变化行为.结果表明,温度为600K左右时,ErFe11 Ti化合物吸氮反应最剧烈,吸氮以后化合物的居里温度TC有明显提高.当温度较高时,ErFe11 Ti可能部分分解为Er-N,α-Fe(Ti).α-Fe和Ti分别在860和1300K左右发生吸氮反应,生成FeN,和Ti2N2.在整个升温过程中,DTA曲线未因样品升温至某成分的居里点发生而出现明显放热峰,这可能是因为样品的相变潜热较小所引起的.
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