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Co/BaTiO$_3$(001) is one of the most interesting multiferroic heterostructures as it combines different ferroic phases, setting this way the fundamentals for innovative technical applications. Various theoretical approaches have been…

Materials Science · Physics 2016-09-21 St. Borek , J. Braun , J. Minar , D. Kutnyakhov , H. -J. Elmers , G. Schönhense , H. Ebert

Using neutron diffraction, we have studied the magnetic field effect on charge structures in the charge-ordered multiferroic material LuFe$_2$O$_4$. An external magnetic field is able to change the magnitude and correlation lengths of the…

Strongly Correlated Electrons · Physics 2009-04-10 Jinsheng Wen , Guangyong Xu , Genda Gu , S. M. Shapiro Brookhaven National Laboratory

Neutron scattering studies and measurements of the dielectric susceptibility and ferroelectric polarization P have been carried out in various magnetic fields H for single-crystal samples of the multiferroic system LiVCuO4 with quasi…

Strongly Correlated Electrons · Physics 2015-05-13 Yukio Yasui , Yutaka Naito , Kenji Sato , Taketo Moyoshi , Masatoshi Sato* , Kazuhisa Kakurai

Due to the strong coupling between magnetism and ferroelectricity, $(\mathrm{ND}_4)_2\mathrm{FeCl}_5\cdot\mathrm{D}_2\mathrm{O}$ exhibits several intriguing magnetic and electric phases. In this letter, we include high-order onsite spin…

Materials Science · Physics 2021-08-25 Shaozhi Li , Randy S. Fishman

We present the results of pressure-dependent far-infrared reflectivity measurements on the multiferroic perovskite BiFeO3 at room temperature. The observed behavior of the infrared-active phonon modes as a funtion of pressure clearly…

Other Condensed Matter · Physics 2007-12-06 A. Pashkin , K. Rabia , S. Frank , C. A. Kuntscher , R. Haumont , R. Saint-Martin , J. Kreisel

Strain is a leading candidate for controlling magnetoelectric coupling in multiferroics. Here, we use x-ray diffraction to study the coupling between magnetic order and structural distortion in epitaxial films of the orthorhombic (o-)…

Strongly Correlated Electrons · Physics 2015-06-18 Y. W. Windsor , S. W. Huang , Y. Hu , L. Rettig , A. Alberca , K. Shimamoto , V. Scagnoli , T. Lippert , C. W. Schneider , U. Staub

Multiferroics - materials which are simultaneously (ferro)magnetic and ferroelectric, and often also ferroelastic, attract now considerable attention, both because of the interesting physics involved and as they promise important practical…

Strongly Correlated Electrons · Physics 2009-11-11 D. I. Khomskii

Multiferroics, defined for those multifunctional materials in which two or more kinds of fundamental ferroicities coexist, have become one of the hottest topics of condensed matter physics and materials science in recent years. The…

Materials Science · Physics 2015-05-13 K. F. Wang , J. -M. Liu , Z. F. Ren

The effects of pressure on the superconducting properties of a Bi-based layered superconductor La2O2Bi3Ag0.6Sn0.4S6, which possesses a four-layer-type conducting layer, have been studied through the electrical resistance and magnetic…

The pursuit of multiferroic magnetoelectrics, combining simultaneous ferroelectric and magnetic orders, remains a central focus in condensed matter physics. Here we report the centrosymmetric, one-dimensional (1D) antiferromagnetic WOI$_3$…

Materials Science · Physics 2024-03-14 Zhihao Gong , Yechen Xun , Zhuang Qian , Kai Chang , Jingshan Qi , Hua Wang

Using ambient pressure x-ray and high pressure neutron diffraction, we studied the pressure effect on structural and magnetic properties of multiferroic Mn$_{1-x}$Co$_x$WO$_4$ single crystals ($x=0, 0.05, 0.135$ and $0.17$), and compared it…

Strongly Correlated Electrons · Physics 2016-05-02 Jinchen Wang , Feng Ye , Songxue Chi , Jaime A. Fernandez-Baca , Huibo Cao , Wei Tian , M. Gooch , N. Poudel , Yaqi Wang , Bernd Lorenz , C. W. Chu

The ZFC and FC magnetization dependence on temperature was measured for BiFeO3 ceramics at the applied magnetic field up to H=10T in 2K-1000K range. The antiferromagnetic order was detected from the hysteresis loops below the Neel…

Materials Science · Physics 2013-05-15 B. Andrzejewski , A. Molak , B. Hilczer , A. Budziak , R. Bujakiewicz-Koronska

The development of electric vehicles has led to a growing need for more efficient and environmentally friendly batteries. As a result, there is significant interest in researching new materials and techniques to enhance battery efficiency.…

Materials Science · Physics 2024-09-24 Thiago Ferro , Adrielson Dias , Maria Clara , Luana Hildever , José Holanda

Magnetic skyrmions are localized magnetic structures that retain their shape and stability over time, thanks to their topological nature. Recent theoretical and experimental progress has laid the groundwork for understanding magnetic…

BiFeO$_{3}$ is multiferroic material with space group Pbnm exhibits coupling of both magnetic and electric orders under strain force. To analyze band gap Tauc plot extrapolation method is used $\&$ remarkably smaller than some reported…

Materials Science · Physics 2021-03-04 Tewodros Eyob , Kenate Nemera , Lemi Demeyu

We report an experimental demonstration of the magnetoelectrocaloric effect (MECE) in multiferroic $\mathrm{GdFeO_3}$. The temperature of the magnetic material changes when an external electric field is suddenly changed. MECE is the largest…

Strongly Correlated Electrons · Physics 2024-09-05 Rintaro Ikeda , Takashi Kurumaji , Yusuke Tokunaga , Taka-hisa Arima

Magnetic, dielectric, and magnetoelectric properties in a spin-state transition system are examined, motivated by the recent discovery of a multiferroic behavior in a cobalt oxide. We construct an effective model Hamiltonian based on the…

Strongly Correlated Electrons · Physics 2018-06-13 Makoto Naka , Eriko Mizoguchi , Joji Nasu , Sumio Ishihara

Despite its great technological importance, the magnetoelectric (ME) couplings in \BF are barely understood. By using a first-principles approach, we uncover the {\it dynamic} ME couplings of the long-range spin-cycloid in BiFeO$_3$. Based…

Strongly Correlated Electrons · Physics 2016-04-01 Jun Hee Lee , Istvan Kézsmáki , Randy S. Fishman

We present a microscopic theory that shows the importance of spin-orbit coupling in perovskite compounds with heavy ions. In BiFeO3 (BFO) the spin-orbit coupling at the bismuth ion sites results in a special kind of magnetic anisotropy that…

Materials Science · Physics 2013-07-02 Rogerio de Sousa , Marc Allen , Maximilien Cazayous

Using ultrafast optical spectroscopy, we show that polaronic behavior associated with interfacial antiferromagnetic order is likely the origin of tunable magnetotransport upon switching the ferroelectric polarity in a…

Strongly Correlated Electrons · Physics 2014-04-04 Y. M. Sheu , S. A. Trugman , L. Yan , J. Qi , Q. X. Jia , A. J. Taylor , R. P. Prasankumar