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Related papers: Flexomagnetic effect in Mn-based antiperovskites

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Using the determinant quantum Monte-Carlo method, we elucidate the strain tuning of edge magnetism in zigzag graphene nanoribbons. Our intensive numerical results show that a relatively weak Coulomb interaction may induce a…

Strongly Correlated Electrons · Physics 2018-03-05 Guang Yang , Baoyue Li , Wei Zhang , Miao Ye , Tianxing Ma

We report the discovery of linear magnetoelectric effect in the well-known green phase compound, Sm2BaCuO5, which crystallizes in the centrosymmetric orthorhombic (Pnma) structure. Magnetization and specific heat measurements reveal the…

Strongly Correlated Electrons · Physics 2019-10-02 Premakumar Yanda , N. V. Ter-Oganessian , A. Sundaresan

Ferromagnetism is observed below 10 K in [Bi0.75Te0.125Mn0.125]Te. This material has the BiTe structure, which is made from the stacking of two Te-Bi-Te-Bi-Te blocks and one Bi-Bi block per unit cell. Crystal structure analysis shows that…

Materials Science · Physics 2009-11-11 J. W. G. Bos , M. Lee , E. Morosan , H. W. Zandbergen , W. L. Lee , N. P. Ong , R. J. Cava

The magnetic properties of GdBaMn_{2}O_{5.0}, which exhibits charge ordering, are studied from 2 to 400 K using single crystals. In a small magnetic field applied along the easy axis, the magnetization M shows a temperature-induced reversal…

Materials Science · Physics 2009-11-13 A. A. Taskin , Yoichi Ando

In this work, IrMn$_{3}$/insulating-Y$_{3}$Fe$_{5}$O$_{12}$ exchange-biased bilayers are studied. The behavior of the net magnetic moment $\Delta m_{AFM}$ in the antiferromagnet is directly probed by anomalous and planar Hall effects, and…

Materials Science · Physics 2014-10-09 X. Zhou , L. Ma , Z. Shi , W. J. Fan , R. F. L. Evans , R. W. Chantrell , S. Mangin , H. W. Zhang , S. M. Zhou

Ferroelectric control of interfacial magnetism has attracted much attention. However, the coupling of these two functionalities has not been understood well at the atomic scale. The lack of scientific progress is mainly due to the limited…

It was shown that free energy density of the local flexomagnetoelectric effect is determined by the four phenomenological constants in case of the cubic (hexoctahedral) crystal. The well-known single-constant Lifshitz invariant term is…

Materials Science · Physics 2011-05-27 B. M. Tanygin

Flexoelectricity induced by strain gradient in dielectrics is highly desirable for electromechanical actuating and sensing systems. It is broadly adopted that flexoelectric polarization responds linearly to strain gradient without…

Materials Science · Physics 2025-04-03 Yingzhuo Lun , Yida Yang , Tingjun Wang , Qi Ren , Sang-Wook Cheong , Xueyun Wang , Jiawang Hong

We studied the correlation between magnetic, electrical, structural, and magnetostriction properties of the electron doped manganites Ca$_x$Sm$_{1-x}$MnO$_3$ (x = 0.85, 0.8). The paramagnetic to antiferromagnetic transition in both the…

Spin wave excitations were measured in the ferromagnetic phase of Nd$_{1/2}$Sr$_{1/2}$MnO$_{3}$ by neutron scattering. This compound is located in proximity to the A-type antiferromagnetic state, and it shows a clear anisotropy and…

Strongly Correlated Electrons · Physics 2009-10-31 R. Kajimoto , H. Yoshizawa , H. Kawano-Furukawa , H. Kuwahara , Y. Tomioka , Y. Tokura

In a magnetically driven electronic nematic state, an externally applied uniaxial strain rounds the nematic transition and increases the magnetic transition temperature. We study both effects in a simple classical model of the…

Superconductivity · Physics 2016-11-26 Jiangping Hu , Chandan Setty , Steve Kivelson

We investigated pressure effects on the nontrivial heavy-fermion antiferromagnet CeMnSi by means of electrical resistivity and powder X-ray diffraction. With increasing pressure, the antiferromagnetic order of Mn (T_N ~ 240 K at ambient…

We investigate the magnetothermodynamic properties of the perovskite manganite Pr0.46Sr0.54MnO3. Our data imply that the paramagnetic to antiferromagnetic transition at TN = 210 K is first order with an abrupt decrease of volume (~ 0.14 %…

Materials Science · Physics 2007-05-23 R. Mahendiran , B. G. Ueland , P. Schiffer , A. Maignan , C. Martin , M. Hervieu , B. Raveau , M. R. Ibarra , L. Morellon

The anomalous Nernst effect in nanostructured magnetic materials is a key phenomenon to optimally control and employ the internal energy dissipated in electronic devices, being dependent on for instance the magnetic anisotropy of the active…

Two complementary effects modify the GHz magnetization dynamics of nanoscale heterostructures of ferromagnetic and normal materials relative to those of the isolated magnetic constituents: On the one hand, a time-dependent ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Yaroslav Tserkovnyak , Arne Brataas , Gerrit E. W. Bauer , Bertrand I. Halperin

An antiferromagnetic domain wall in a thermal gradient is found to experience a force towards colder regions upon the application of a uniform magnetic field along the easy axis. This force increases with the strength of the applied field…

Mesoscale and Nanoscale Physics · Physics 2020-10-21 R. Yanes , M. Rodriguez Rosa , L. Lopez-Diaz

Dynamic relaxation for nonlinear magnetization excitation is analyzed. For direct processes, such as magnon-electron scattering and two-magnon scattering, the relaxation rate is determined from the linear case simply by utilizing the…

Materials Science · Physics 2009-11-07 Vladimir L. Safonov , H. Neal Bertram

The emergence of a ferromagnetic component in $LaMnO_{3}$ with low Cr-for-Mn substitution has been studied by x-ray absorption spectroscopy and x-ray magnetic circular dichroism at the Mn and Cr K edges. The local magnetic moment strength…

Strongly Correlated Electrons · Physics 2015-06-16 A. Y. Ramos , H. C. N. Tolentino , O. Bunau , Y. Joly , S. Grenier , R. A. Souza , N. M. Souza-Neto , F. Baudelet , F. Wilhelm , A. Rogalev , O. Proux , A. Caneiro

Cervenka et al. have recently reported ferromagnetism along graphite steps. We present Magnetic Force microscopy (MFM) data showing that the signal along the steps is independent of an external magnetic field. Moreover, by combining Kelvin…

Materials Science · Physics 2015-05-18 David Martinez-Martin , Miriam Jaafar , Ruben Perez , Julio Gomez-Herrero , Agustina Asenjo

Two-dimensional structures that exhibit intriguing magnetic phenomena such as perpendicular magnetic anisotropy and switchable magnetization are of great interests in spintronics research. Herein, the density-functional theory studies…

Computational Physics · Physics 2018-04-04 P. Taivansaikhan , T. Tsevelmaa , S. H. Rhim , S. C. Hong , D. Odkhuu