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Related papers: Light-induced size changes in BiFeO3 crystals

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Controlling magnetism by using electric fields is a goal of research towards novel spintronic devices and future nano-electronics. For this reason, multiferroic heterostructures attract much interest. Here we provide experimental evidence,…

In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas,…

A key challenge in antiferromagnetic spintronics is the control of spin configuration on nanometer scales applicable to solid-state technologies. Bismuth ferrite (BiFeO3) is a multiferroic material that exhibits both ferroelectricity and…

Multiferroics permit the magnetic control of the electric polarization and electric control of the magnetization. These static magnetoelectric (ME) effects are of enormous interest: The ability to read and write a magnetic state…

Materials Science · Physics 2015-10-28 I. Kezsmarki , U. Nagel , S. Bordacs , R. S. Fishman , J. H. Lee , H. T. Yi , S-W. Cheong , T. Room

The magnetoelectric behavior of BiFeO$_3$ has been explored on the basis of accurate density functional calculations. The structural, electronic, magnetic, and ferroelectric properties of BiFeO$_3$ are predicted correctly without including…

Materials Science · Physics 2007-05-23 P. Ravindran , R. Vidya , A. Kjekshus , H. Fjellvåg , O. Eriksson

We present a magnetoresistive-photoresistive device based on the interaction of a piezomagnetic CoFe thin film with a photostrictive BiFeO3 substrate that undergoes light-induced strain. The magnitude of the resistance and magnetoresistance…

Materials Science · Physics 2012-07-03 B. Kundys , C. Meny , M. R. J. Gibbs , V. Da Costa , M. Viret , M. Acosta , D. Colson , B. Doudin

We show that inducing structural softness in regular magnetoelectric (ME) multiferroics -- i.e., tuning the materials to make their structure strongly reactive to applied fields -- makes it possible to obtain very large ME effects. We…

Materials Science · Physics 2012-04-17 Jacek C. Wojdeł , Jorge Íñiguez

In this paper we examine the role of crystal chemistry factors in creating conditions for formation of magnetoelectric ordering in BiFeO3. It is generally accepted that the main reason of the ferroelectric distortion in BiFeO3 is concerned…

Materials Science · Physics 2011-06-03 L. M. Volkova , D. V. Marinin

We theoretically propose that the optical analog of a Lorentz force acting on a ray of light is realized in multiferroic materials such as GaFeO$_3$ showing the magnetoelectric effect. The toroidal moment plays the role of a ``vector…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Kei Sawada , Naoto Nagaosa

The effects of high magnetic fields applied perpendicular to the spontaneous ferroelectric polarization on single crystals of BiFeO$_3$ were investigated through magnetization, magnetostriction, and neutron diffraction measurements. The…

Multiferroic materials, in which ferroelectric and magnetic ordering coexist, are of fundamental interest for the development of novel memory devices that allow for electrical writing and non-destructive magnetic readout operation. The…

Materials Science · Physics 2015-05-05 P. S. Wang , W. Ren , L. Bellaiche , H. J. Xiang

Ferroelectrics are polar materials whose polarization can be switched by applying electric fields; they offer unique opportunities to develop performant photostrictive materials, i.e., materials that can deform under visible light…

Logical devices based on spin waves offer the potential to avoid dissipation mechanisms that limit devices based on either the charge or spin of mobile electrons. Multiferroic magnetoelectrics, which are materials that combine ferroelectric…

Materials Science · Physics 2008-04-10 Rogerio de Sousa , Joel E. Moore

From magnetic susceptibility, dielectric permittivity, electric polarization and specific heat measurements, we discover spin-induced ferroelectricity and magnetoelectric coupling in Mn3TeO6 and observe two successive magnetic transitions…

Materials Science · Physics 2015-12-01 L. Zhao , Z. Hu , C. Y. Kuo , T. -W. Pi , M. -K. Wu , L. H. Tjeng , A. C. Komarek

Materials with magnetoelectric coupling (MEC) between ferroic orders at room temperature are emerging field in modern technology and physics. BaTiO3 is a robust ferroelectric in which several doping has led to MEC. In Ca and Mn modified…

Multiferroic (MF) devices based on simultaneous ferroelectric and ferromagnetic phenomena are considered to be promising candidates for future bi-functional micro/nano-electronics. The multiferroic phenomena in two-dimensional materials is…

Applied Physics · Physics 2022-08-30 Rabia Tahir , Sabeen Fatima , Syedah Afsheen Zahra , Deji Akinwande , Syed Rizwana

Multiferroic perovskites that exhibit room temperature magnetization and polarization have immense potential in the next generation of magneto-electric and spintronic memory devices. In this work, the magnetic and ferroelectric properties…

Our measured dielectric constant and mechanical response of multiferroic BiFeO3 indicate four phase transitions below room temperature. Features correlate with those reported at 50K (from a peak in the zero-field-cooled magnetic…

Materials Science · Physics 2008-06-23 S. A. T. Redfern , C. Wang , J. W. Hong , G. Catalan , J. F. Scott

Magnetic phase transitions in multiferroic bismuth ferrite (BiFeO3) induced by magnetic field, epitaxial strain, and composition modification are considered. These transitions from a spatially modulated spin spiral state to a homogenous…

Strongly Correlated Electrons · Physics 2008-12-28 A. M. Kadomtseva , Yu. F. Popov , A. P. Pyatakov , G. P. Vorob'ev , A. K. Zvezdin , D. Viehland

Two-dimensional (2D) magnets have broad application prospects in the spintronics, but how to effectively control them with a small electric field is still an issue. Here we propose that 2D magnets can be efficiently controlled in a…

Mesoscale and Nanoscale Physics · Physics 2022-02-01 Ping Li , Xue-Song Zhou , Zhi-Xin Guo