轨道磁矩
- 网络orbital moment;Orbital magnetic moment
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给出一种可有效地演示电子轨道磁矩在外磁场中的进动规律的环电流陀螺,以及演示涡流存在的导体陀螺,并给出了相应分析。
A top of circumfluent current is introduced , which can effectively demonstrate that the orbital magnetic moment of electron precesses in the external magnetic field , and the existence of eddy current the corresponding analysis is given .
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实验表明,沿铁单晶薄膜的不同方向,铁原子轨道磁矩的改变量达到600%以上,而自旋磁矩的变化约50%,但原子的总磁矩没有如此大的改变。
The experiments show that along with different crystal axes , the change of orbital moment of Fe atoms is about 600 % , the change of the spin moment is only about 50 % , but the change of total moment is not so large .
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但Co(2c)未被冻结的轨道磁矩却略小于Co(3g),所以两种晶位对磁晶各向异性的贡献大小之差别不应太大。
So , the difference of contribution to the anisotropy between the two Co-sites is not very distinct .
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利用软x射线磁性圆二色吸收谱(XMCD)研究了Si衬底上沉积的不同厚度的Co膜的轨道磁矩和自旋磁矩。
Orbital and spin moments of Co atoms in films of different thickness deposited by magnetron-sputtering on silicon wafers have been investigated by use of soft x-ray magnetic circular dichroism in absorption .
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根据XMCD求和定则计算得到的轨道磁矩和自旋磁矩分别是0.2490.195μB(玻尔磁子)和1.2301.734μB.随着膜厚的减小,Co原子的轨道磁矩增加,而自旋磁矩下降。
Orbital and spin moments of 0.249 0.195 μ _B and 1.230 1.734 μ _B are found from XMCD sum rules . Increase in orbital moments and decrease in spin moments are observed with reducing cobalt film thickness .
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利用X射线磁性圆二色吸收谱计算3d过渡族磁性原子的轨道和自旋磁矩
Calculation of spin and orbital moments of 3d transition metals using X-ray magnetic circular dichroism in absorption