Antiferromagnetic Resonance in LaMnO3</sub>

A. A. Mozhegorov; L. E. Gontchar; A. E. Nikiforov

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Antiferromagnetic Resonance in LaMnO3

机译：LaMnO3中的反铁磁共振

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The external magnetic field and temperature dependencies of the magnetic structure and antiferromagnetic resonance frequencies in LaMnO3 are studied. A recently developed model which includes orbitally dependent superexchange and single-ion anisotropy interactions is used. The temperature dependence is described in the mean-field approximation in good agreement with experiments. H–T phase diagrams in the main field directions (a, b, c) are drawn. The problem of the origin of weak noncollinearity of Mn3+ spins is solved in our work. Also an optimal method for obtaining an expression of the magnetic free energy is represented.

机译：研究了LaMnO3中磁性结构的外部磁场和温度依赖性以及反铁磁共振频率。使用最近开发的模型，该模型包括轨道相关的超交换和单离子各向异性相互作用。温度依赖性在平均场近似中描述，与实验吻合良好。画出了主场方向（a，b，c）的HT相图。我们的工作解决了Mn3 +自旋弱非共线性的起源问题。还示出了用于获得磁自由能的表达的最佳方法。

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《Applied Magnetic Resonance》 |2008年第2期|167-176|共10页
作者
A. A. Mozhegorov; L. E. Gontchar; A. E. Nikiforov;
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Physics Department Urals State University Yekaterinburg Russian Federation;

Physics Department Urals State University Yekaterinburg Russian Federation;

Physics Department Urals State University Yekaterinburg Russian Federation;

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1. Antiferromagnetic resonance in LaMnO3 [J] . Mozhegorov AA, Gontchar LE, Nikiforov AE Applied Magnetic Resonance . 2008,第1a2期

机译：LaMnO3中的反铁磁共振
2. On the spin wave spectrum in a layered antiferromagnetic structure of the LaMnO3 compound [J] . Karpenko BV, Falkovskaya LD, Kuznetsov AV Physics of the solid state . 2008,第11期

机译：LaMnO3化合物层状反铁磁结构中的自旋波谱
3. Anomalous slowing down of the longitudinal spin relaxation near the antiferromagnetic phase transition in LaMnO3 manganite [J] . Atsarkin VA, Demidov VV, Balbashov AM JETP Letters . 2005,第9期

机译：LaMnO3锰矿中反铁磁相变附近的纵向自旋弛豫异常减慢
4. Ferro-Antiferromagnetic Coupling and Enhancement of Magnetoresistance in La0.67Ca0.33MnO3/LaMnO3 Composites [C] . Guangming Ren, Jinglin Liu ICNPE 2012 . 2013

机译：LA0.67CA0.33MNO3 / LAMNO3复合材料中LA0.67CA0.33MNO3 / LAMNO3复合材料中的铁 - 反铁磁性耦合及磁阻增强
5. Determination of the magnetic structure of the antiferromagnetic state of the organic superconductor kappa-(BEDT)(2)copper dicyanamide chloride using nuclear magnetic resonance and magnetometry. [D] . Smith, Dylan Franklin. 2002

机译：使用核磁共振和磁力计测定有机超导体kappa-（BEST）（2）铜双氰胺氯化物的反铁磁态的磁性结构。
6. Anisotropic resonance modes emerging in an antiferromagnetic superconducting state [O] . F. Waßer, C. H. Lee, K. Kihou, -1

机译：反铁磁超导状态下出现的各向异性共振模式
7. Stabilization of A-type layered antiferromagnetic phase in LaMnO3 by cooperative Jahn-Teller deformations [O] . Capone M, Feinberg D, Grilli M 2000

机译：通过协同Jahn-Teller变形稳定LaMnO3中的A型层状反铁磁相

Antiferromagnetic Resonance in LaMnO3

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