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Related papers: Displacive-type ferroelectricity from magnetic cor…

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The alkaline earth binary oxides adopt a simple rocksalt structure and form an important family of compounds because of their large presence in the earth's mantle and their potential use in microelectronic devices. In comparison to the…

Materials Science · Physics 2021-04-06 Eric Bousquet , Nicola A. Spaldin , Philippe Ghosez

The intrinsic ferroelectricity and related dielectric properties of M-type Barium Hexaferrite (BaFe12O19) with excellent magnetic performance are reported in this paper. A classic electric polarization (P-E) hysteresis loop with full…

Materials Science · Physics 2020-02-27 Xue Li , Nan Nan , Guo-Long Tan

We report for the first time, that Fe3Se4 is a room temperature, type-II multiferroic with magnetoelectric coupling. We observed the coexistence of coupled ferrimagnetic and ferroelectric ordering in Fe3Se4nanorods well above room…

Strongly Correlated Electrons · Physics 2019-06-13 Mousumi Sen Bishwas , Pankaj Poddar

We report a combination of physical property and neutron scattering measurements for polycrystalline samples of the one-dimensional spin chain compound CoV2O6. Heat capacity measurements show that an effective S = 1/2 state is found at low…

We analyze theoretically the finite-temperature polarization dynamic in displacive-type ferroelectrics. In particular we consider the thermally-activated switching time of a single-domain ferroelectric polarization studied by means of the…

Materials Science · Physics 2016-12-21 S. R. Etesami , A. Sukhov , J. Berakdar

Oxide double perovskites wherein octahedra formed by both 3d elements and sp-based heavy elements give rise to unconventional magnetic ordering and correlated quantum phenomena crucial for futuristic applications. Here, by carrying out…

Strongly Correlated Electrons · Physics 2021-03-30 J. Khatua , T. Arh , Shashi B. Mishra , H. Luetkens , A. Zorko , B. Sana , M. S. Ramachandra Rao , B. R. K. Nanda , P. Khuntia

The ground-state structure of monolayers and nanoplatelets of SnS with a thickness from two to five monolayers is calculated from first principles. It is shown that nanoobjects with only odd number of monolayers are ferroelectric. The…

Materials Science · Physics 2018-10-30 Alexander I. Lebedev

We have studied the influence of external pressure up to 1 GPa on the magnetic transitions of the orthorhombic Haldane-spin chain compound Tb2BaNiO5 an exotic multiferroic material. This parent compound is known to undergo N\'eel ordering…

Strongly Correlated Electrons · Physics 2021-07-28 K. K. Iyer , Ram Kumar , S. Rayaprol , K. Maiti , E. V. Sampathkumaran

Two-dimensional ferroelectrics can maintain vertical polarization up to room temperature, and are, therefore, promising for next-generation nonvolatile memories. Although natural two-dimensional ferroelectrics are few, moir\'{e}…

Mesoscale and Nanoscale Physics · Physics 2024-04-30 Renjun Du , Jingkuan Xiao , Di Zhang , Xiaofan Cai , Siqi Jiang , Fuzhuo Lian , Kenji Watanabe , Takashi Taniguchi , Lei Wang , Geliang Yu

The magnetic, thermodynamic, and pyroelectric properties of LiFeP$_2$O$_7$ single crystals are investigated with emphasis on the magnetoelectric interaction of the electrical polarization with the magnetic order parameter. The magnetic…

Strongly Correlated Electrons · Physics 2012-09-13 K. -C. Liang , W. Zhang , B. Lorenz , Y. Y. Sun , P. S. Halasyamani , C. W. Chu

This review compiles results of experimental and theoretical studies on thin films and quantum structures of semiconductors with randomly distributed Mn ions, which exhibit spintronic functionalities associated with collective ferromagnetic…

Materials Science · Physics 2014-04-02 Tomasz Dietl , Hideo Ohno

Ferroelectricity is usually found in compound materials composed by different elements. Here, based on first-principles calculations, we reveal the first example of spontaneous electrical polarization and ferroelectricity in stable…

Materials Science · Physics 2017-06-20 Chengcheng Xiao , Fang Wang , Shengyuan A. Yang , Yunhao Lu

Beyond a conventional classification of ferroelectricity, there is a class of materials where electronic degrees of freedom and electronic interactions are directly responsible for electric polarization and ferroelectric transition. This is…

Strongly Correlated Electrons · Physics 2015-05-14 Sumio Ishihara

We report magneto-dielectric properties of partially B-site ordered monoclinic Tb2CoMnO6 double perovskite thin film epitaxially grown by metalorganic aerosol deposition technique. Transmission electron microscopy and electron energy loss…

Strongly Correlated Electrons · Physics 2020-03-25 R. Mandal , M. Chandra , V. Roddatis , M. Tripathi , R. Rawat , R. J. Choudhary , V. Moshnyaga

Since the first report of ferroelectricity in nanoscale HfO$_2$-based thin films in 2011, this silicon-compatible binary oxide has quickly garnered intense interest in academia and industry, and continues to do so. Despite its deceivingly…

Materials Science · Physics 2024-08-27 Tianyuan Zhu , Liyang Ma , Shiqing Deng , Shi Liu

This letter reports our experimental results on magnetic-field-induced aftereffects in solution derived Bi4Fe2TiO12 film, in which e' decreases as much as 600 times after treated in a 5T magnetic field as that of the pristine one. The…

Materials Science · Physics 2013-01-23 L. J. Qiao , J. Lu , F. Xu , W. Y. Chu , X. Q. Ma

Spin caloritronics studies the interplay between charge-, heat- and spin-currents, which are initiated by temperature gradients in magnetic nanostructures. A plethora of new phenomena has been discovered that promises, e.g., to make wasted…

The spinel FeV2O4 is known to exhibit peculiar physical properties, which is generally ascribed to the unusual presence of two cations showing a pronounced interplay between spin, orbital and lattice degrees of freedom (Fe2+ and V3+ on the…

Materials Science · Physics 2012-02-16 Q. Zhang , K. Singh , F. Guillou , C. Simon , Y. Breard , V. Caignaert , V. Hardy

We report a giant linear magnetoelectric coupling in strained BiMnO3 thin films in which the disorder associated with an islanded morphology gives rise to extrinsic relaxor ferroelectricity that is not present in bulk centrosymmetric…

Materials Science · Physics 2016-04-13 Patrick R. Mickel , Hyoungjeen Jeen , Pradeep Kumar , Amlan Biswas , Arthur F. Hebard

Here we investigate the temperature evolution of the structural parameters of a potential magnetoelectric material, MnTiO$_{3}$. The experimental results reveal interesting temperature dependence of the $c/a$ ratio and the Mn-O bonds which…

Strongly Correlated Electrons · Physics 2015-05-20 R. K. Maurya , Navneet Singh , S. K. Pandey , R. Bindu