摘要
在已有的物理模型基础上,对运动方程作线性化处理,求出了共振场随共振频率以及外场相对膜的倾角的变化关系.对(YEuTmCa)3(FeGe)3O12/(YGdLa)3(FeCa)5O12两层膜作计算,其理论计算与实验相符.结果表明:在强磁场中,铁磁共振谱分为两支,这两支均与外场倾角有关,而且两支之间有间隙,外场为50000A/m附近时形成的间隙最小.
The motion equation, which is fulfilled by magnetizing intensity of the double-layer film in outer magnetic field, is found in this paper. Under the condition of linear similar, the variation relation of resonance field along with the resonance frequency and the dip of outer field to the film is gained. The double layer film, （YEuTmCa）3（FeGe）3O12/（YGdLa）3（FeCa）5O12 is calculated, the result of theory computing is as the same as that of the experiment. The result indicates： In the strong magnetic field, ferromagnetic resonance spectrum divides into two branches, which are in relation to the dip of outer field. And there is a space between the two branches, the space producting near 50000 A/m in outer field is the smallest.
出处
《西南师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2006年第5期77-82,共6页
Journal of Southwest China Normal University(Natural Science Edition)
基金
涪陵师范学院院级重点学科建设基金资助项目(2003148).
关键词
两层磁性膜
铁磁共振谱
共振场
频率
double-layer film
ferromagnetic resonance spectrum
resonance field
frequency
