Landau theory of the magnetic phase diagram of monoclinic multiferroics: Application to MnWO_4 and CuO

G. Quirion; M. L. Plumer

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Landau theory of the magnetic phase diagram of monoclinic multiferroics: Application to MnWO_4 and CuO

机译：单斜多铁磁相图的Landau理论：在MnWO_4和CuO中的应用

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We present a detailed analysis of the magnetic states of monoclinic multiferroic systems as a function of temperature and magnetic field. The proposed nonlocal Landau free energy derived using symmetry arguments accounts well for the phase diagram of MnWO_4 with the field applied along each of the three principal crystallographic directions. A description is proposed for the high field magnetic spin configurations, above 10 T, which have not yet been identified by neutron scattering. The nature of the induced electric polarization in each of the magnetic states is described. Corresponding results for CuO are also presented.

机译：我们目前对单斜面多铁性体系的磁态作为温度和磁场的函数进行详细分析。使用对称参数导出的拟议的非局部Landau自由能很好地说明了MnWO_4的相图，该场沿三个主要晶体学方向的每个方向施加。对于中子散射尚未发现的高于10 T的高场磁自旋结构提出了描述。描述了在每种磁性状态下感应极化的性质。还介绍了CuO的相应结果。

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《Physical review》 |2013年第17期|396-402|共7页
作者
G. Quirion; M. L. Plumer;
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作者单位

Department of Physics and Physical Oceanography, Memorial University, St. John's, Newfoundland, Canada, A1B 3X7;

Department of Physics and Physical Oceanography, Memorial University, St. John's, Newfoundland, Canada, A1B 3X7;

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正文语种 eng
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关键词
classical spin models; magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.); antiferromagnetics;

机译：经典自旋模型;磁相边界（包括磁跃迁;超磁性等）;反铁磁;

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专利

1. Magnetic phase diagram of multiferroic MnWO_4 probed by ultrasound [J] . Felea V., Lemmens P., Yasin S., Journal of Physics. Condensed Matter . 2011,第21期

机译：超声探测多铁性MnWO_4的磁相图
2. Landau theory for the phase diagram of multiferroic Mn_(1-x)(Fe,Zn,Mg)_xWO_4 [J] . Shlomi Matityahu, Amnon Aharony, Ora Entin-Wohlman Physical review . 2012,第17期

机译：Landau理论用于多铁性Mn_（1-x）（Fe，Zn，Mg）_xWO_4的相图
3. Nonlocal Landau theory of the magnetic phase diagram of highly frustrated magnetoelectric CuFeO_2 [J] . M. L. Plumer Physical review . 2008,第9期

机译：高受阻磁电CuFeO_2磁相图的非局部Landau理论
4. Magnetic phase diagram and ordered ground state of GdMn_2O_5 multiferroic studied by x-ray magnetic scattering [C] . C.Vecchini, A.Bombardi, L.C.Chapon, Workshop on Resonant Elastic X-ray Scattering in Condensed Matter . 2014

机译：通过X射线磁散射研究的GDMN_2O_5多重磁相图和有序地态
5. Magnetic phase diagram of triangular lattice antiferromagnet Ba3MNb2O9 (M = Co, Mn) and its multiferroicity. [D] . Lee, Minseong. 2016

机译：三角晶格反铁磁体Ba3MNb2O9（M = Co，Mn）的磁相图及其多铁性。
6. First Order Temperature Dependent Phase Transition in a Monoclinic Polymorph Crystal of 16-Hexanedioic Acid: An Interpretation Based on the Landau Theory Approach [O] . Hoong-Kun Fun, Suchada Chantrapromma, Lye-Hock Ong 2014

机译：16-己二酸单斜多晶型晶体中一阶温度相关的相变：基于Landau理论的解释
7. Landau theory for the phase diagram of the multiferroic Mn$_{1-x}$(Fe,Zn,Mg)$_{x}$WO$_{4}$ [O] . Matityahu, Shlomi, Aharony, Amnon, Entin-Wohlman, Ora 2012

机译：Landau理论的多铁性相图 mN $ _ {1-X} $（铁，锌，镁）$ _ {X} $ WO $ _ {4} $
8. Synthesis, characterization, phase diagrams and superconducting and normal state magnetic properties of La2-(x)Sr(x)CuO4 (0 equal or less than) x (equal or less than 0.08) and electrochemically oxidized La(2-x)Sr( x)CuO(4 + delta) (0 equal or less than) x [R] . Chou, F. 1993

机译：La2-（x）sr（x）CuO4（0等于或小于）x（等于或小于0.08）和电化学氧化La（2-x）sr的合成，表征，相图和超导和正常状态磁性x）CuO（4 +δ）（0等于或小于）x

Landau theory of the magnetic phase diagram of monoclinic multiferroics: Application to MnWO_4 and CuO

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