铁磁相变
- 【物】ferromagnetic phase transition
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实验确定了顺磁-铁磁相变的居里温度和有效磁矩随Sr掺杂浓度以及随不同的氧气退火条件的变化关系。
The paramagnetic Curie temperatures and effective magnetic moments were determined and their variations with Sr doping and oxygen annealing condition were obtained .
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颗粒尺寸效应对锰基钙钛矿氧化物La(2/3)Ca(1/3)MnO3铁磁相变的影响
The Influence of Ferromagnetic Phase Transition of Manganite Perovskite La_ ( 2 / 3 ) Ca_ ( 1 / 3 ) MnO_3 by the Grain Size Effect
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还计算了在M-S势作用下的中子物质出现铁磁相变的临界密度、含有铁磁相变的物态方程及中子星模型。
For neutron matter with M-S interaction , the critical density of the ferromagnetic transition , the equation of state and the neutron star models are calculated .
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本文就是以二维Ising自旋动力学模型为例,分别运用重正化群和数值模拟方法,对二维铁磁相变现象做了深入的研究和探讨。
In this article we took the example of the two-dimensional Ising model , applied renormalization group method and numerical simulation , made a deep research and study on the paramagnetic-ferromagnetic critical phase transition problem .
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超导铁磁相变的一种唯象理论
A phenomenological theory of phase transition in superconducting ferromagnets
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铁磁相变与中子星模型
The ferromagnetic transition and the neutron star models
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薄膜和表面的铁磁相变
Ferromagnetic Phase Transition of the Film and Surface
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铁磁相变的尖点突变模型
Acme mutation model of ferromagnetic phase change
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这个现象表明,NaFeAs中结构相变和反铁磁相变可能具有相同的驱动机制。
It imples that the structural and anti-ferromagnetic transition may share the same driving force .
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最常见的相变有顺磁-铁磁相变,液体-气体相变等。
The commonest phase transitions are the paramagnetic-ferromagnetic phase transition and the liquid-gas phase transition , etc.
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精确的铁磁相变平均场理论
Accurate Mean-Field Approximation of Ferromagnet Transition
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对母体化合物进行电子或者空穴掺杂,结构相变和反铁磁相变会受到抑制,从而促使高温超导的产生。
Doping with electrons or holes in the parent compounds leads to suppression of both transitions , and induces the high temperature superconductivity .
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第二章简述了在超冷费米气体中比较重要的两个相变,即铁磁相变和超流相变。
In Chapter ⅱ, two important phase transitions in the Fermionic gas of ultracold atoms : The ferromagnetic phase transition and the superfluid transition .
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人们普遍认为,超导的产生应该和磁性阻挫有着内在的联系,因为磁性阻挫很可能会导致结构相变和反铁磁相变。
It is widely expected that the superconductivity should be intrinsically connected to the frustrated magnetic correlations which presumably cause both structure and antiferromagnetic transitions .
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铁磁相变的本质是一种量子力学效应,在它的产生原因中有一个不可忽略的影响因素就是由原子间相互作用所产生的关联效应。
The essence of the ferromagnetic phase transition is a quantum effect , with the phase transition being the correlation effect arising from the interparticle interactions .
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这些材料的一个显著特点是,在低温时,母体化合物会发生结构相变和反铁磁相变。
One of the most remarkable character of these materials is that the parent compounds have a structure transition and a antiferromagnetic transition at low temperatures .
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而该体系空间密度关联效应的行为与铁磁相变之间存在着密切的联系,体系的内部结构和性质会受到密度关联效应的影响而发生改变。
The behavior of the spatial density correlation function of the system has a close relationship with the ferromagnetic phase transition . The structure and properties of system will change if the correlation effects changed .
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通过测量不同磁场下的磁化温度曲线,发现伴随铁磁顺磁相变有一个大的磁熵变化,这个结果表明钙钛矿锰氧化物可以作为磁致冷技术中的工作物质。
This result suggests that perovskite manganites are suitable candidates as working substances in magnetic refrigeration technology .
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结果分析表明,本文关于过渡金属的固体-液体相变以及金属Ni铁磁-顺磁相变的机理具有合理性,值得进一步深入研究。
It shows the mechanics suggested for the solid-liquid and ferromagnetic-paramagnetic phase transition of transition metals is worth to be studied further .
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Fe-Mn-Si基合金fcc反铁磁与马氏体相变
Fcc Antiferromagnetism and Martensitic Transformation in Fe Mn Si Based Alloys
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当x≥0·12时,CO态融化,在极低温度下存在顺磁-铁磁(PM-FM)相变。
When x ≥ 0.12 , CO state melts , and the paramagnetism-ferromagnetism ( PM-FM ) transition exists at extremely low temperature .
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磁化(M-T)曲线表明,在居里温度(Tc)以下发生了顺磁-铁磁(PM-FM)相变。
The temperature-dependent magnetization ( M-T ) curve shows that below the paramagnetic-ferromagnetic transition temperature T_C , a ferromagnetic-canted ferromagnetic transition may occurred .
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实验发现Cu2VAl在温度T为210K附近发生铁磁&顺磁相变,为弱铁磁体。
Magnetic measurements confirm that the magnetic transition from ferromagnetism to paramagnetism arises near 210K for Cu 2 VAl sample , which is a weak ferromagnet .
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一维长程相互作用反铁磁伊辛系统的相变问题
Phase transition in one-dimensional Ising system with long-range antiferromagnetic interactions
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铁超薄膜的铁磁相变和垂直磁各向异性
Ferromagnetic Phase Transition and Perpendicular Magnetic Anisotropy in 1 ~ 8 Monolayer Fcc Iron Films