| 关于磁性物质的自旋位形的某些问题 |
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| 引用本文： | 蒲富恪,郑庆祺. 关于磁性物质的自旋位形的某些问题[J]. 物理学报, 1962, 18(3): 135-142 |
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| 作者姓名： | 蒲富恪 郑庆祺 |
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| 摘 要： | 本文用Lyons-Kaplan的方法,讨论了具有一种磁性离子组成的布拉维点阵的自旋位形在外磁场作用下的变化及磁晶各向异性时它的影响。存在有一个反铁磁-铁磁性结构转变的临界磁场,外磁场大于临界磁场时一切反铁磁结构都消失。磁场(小于临界磁场)和各向异性都使自旋位形的简并部分消失。最后还讨论了所得到的自旋位形的稳定性。
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| 收稿时间： | 1961-09-06 |
SPIN CONFIGURATION OF MAGNETIC SUBSTANCES |
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| PU FU-CHO and CHENG CHIN-CHI. SPIN CONFIGURATION OF MAGNETIC SUBSTANCES[J]. Acta Physica Sinica, 1962, 18(3): 135-142 |
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| Authors: | PU FU-CHO and CHENG CHIN-CHI |
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| Abstract: | The Lyons-Kaplan method is applied to the discussion of the change of spin configuration of a Bravias lattice in the presence of external magnetic field or magnetic anisotropy. It is shown that the antiferromagnetic structure transforms into ferromagnetic ones above a certain critical field and the formula for this critical field is derived. The stability of the corresponding spin configurations is also examined. |
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