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分别以ＬａＣｌ３、ＮｄＣｌ３、ＳｍＣｌ３溶液为基质，在１００Ｋ低温下进行了Ｇｄ３＋的ＥＳＲ研究，得到了溶液中Ｇｄ３＋离子电子自旋共振谱的一些基本性质，测定了Ｇｄ３＋离子ＥＳＲ谱峰相对强度与基质浓度、Ｇｄ３＋离子浓度的关系．
The ESR of Gd3 + was studied at low temperature of 100 K with LaCl3, NdCl3 and SmCl3 as matrix respectively. Some basic properties of Gd3 + ion spin resonance spectra were obtained. The relative intensities of ESR peak and the concentration of matrix , Gd3 + ion concentration relationship.