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Related papers: Controlling the Local Spin-Polarization at the Org…

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Interfacing a ferromagnet with a polarized ferroelectric gate generates a non-uniform, interfacial spin density coupled to the ferroelectric polarization allowing so for an electric field control of effective transversal field to…

Strongly Correlated Electrons · Physics 2017-09-06 Yaojin Li , Min Chen , Jamal Berakdar , Chenglong Jia

A proper theoretical description of electronic structure of the 3d orbitals in the metal centers of functional metalorganics is a challenging problem. In this letter, we apply density functional theory and an exact diagonalization method in…

Two channels of the sd exchange interaction are considered in magnetic junctions. The first channel describes the interaction of transversal spins with the lattice magnetization. The second one describes the interaction of longitudinal…

Materials Science · Physics 2010-10-22 S. G. Chigarev , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman

The synergy of ferroicity with altermagnetism offers a novel platform for designing multifunctional altermagnetic-spintronic device technology. In this work, we propose a mechanism to achieve nonvolatile electrical manipulation of spin and…

Materials Science · Physics 2026-03-12 Rui Peng , Guangxu Su , Yangyang Fan , Jiaan Li , Fanxin Liu , Yee Sin Ang

Ultrafast all-optical control of spins with femtosecond laser pulses is one of the hot topics at the crossroads of photonics and magnetism with a direct impact on future magnetic recording. Unveiling light-assisted recording mechanisms for…

We describe a spin logic device with controllable magnetization switching of perpendicularly magnetized ferromagnet / heavy metal structures on a ferroelectric (1-x)[Pb(Mg1/3Nb2/3)O3]-x[PbTiO3] (PMN-PT) substrate using current-induced…

We present the microscopic theory of improper multiferroicity in BiMnO3, which can be summarized as follows: (1) the ferroelectric polarization is driven by the hidden antiferromagnetic order in the otherwise centrosymmetric C2/c structure;…

Materials Science · Physics 2010-11-01 I. V. Solovyev , Z. V. Pchelkina

Polyalanine molecules (PA) with an {\alpha}-helix conformation gathered recently a lot of interest as the propagation of electrons through the chiral backbone structure comes along with spin polarization of the transmitted electrons. By…

Mesoscale and Nanoscale Physics · Physics 2022-02-16 Nguyen T. N. Ha , L. Rasabathina , O. Hellwig , A. Sharma , G. Salvan , S. Yochelis , Y. Paltiel , L. T. Baczewski , C. Tegenkamp

Chiral molecules have the potential for creating new magnetic devices by locally manipulating the magnetic properties of metallic surfaces. When chiral polypeptides chemisorb onto ferromagnets they can induce magnetization locally by spin…

Chemical Physics · Physics 2023-06-30 Yael Kapon , Fabian Kammerbauer , Shira Yochelis , Mathias Klaui , Yossi Paltiel

Hybrid organic-inorganic perovskites are famous for the diversity of their chemical compositions, phases and phase transitions, and associated physical properties. We use a combination of experimental and computational techniques to reveal…

Ferromagnet-ferroelectric-metal superlattices are proposed to realize the large room-temperature magnetoelectric effect. Spin dependent electron screening is the fundamental mechanism at the microscopic level. We also predict an electric…

Mesoscale and Nanoscale Physics · Physics 2009-12-16 Tianyi Cai , Sheng Ju , Jaekwang Lee , Na Sai , Alexander A. Demkov , Qian Niu , Zhenya Li , Junren Shi , Enge Wang

In a magnetic multilayer, the spin transfer between localized magnetization dynamics and itinerant conduction spin arises from the interaction between a normal metal and an adjacent ferromagnetic layer. The spin-mixing conductance then…

Mesoscale and Nanoscale Physics · Physics 2022-07-04 Adam B. Cahaya , Rico M. Sitorus , Anugrah Azhar , Ahmad R. T. Nugraha , Muhammad Aziz Majidi

The adsorption of hydrogen on the polar Zn-ended ZnO(0001) surface has been investigated by density functional {\it ab-initio} calculations. An on top H(1x1) ordered overlayer with genuine H-Zn chemical bonds is shown to be energetically…

Materials Science · Physics 2015-05-13 N. Sanchez , S. Gallego , J. Cerdá , M. C. Muñoz

Piezo-magnetoelectric effect, namely simultaneous induction of both the ferromagnetic moment and electric polarization by an application of uniaxial stress, was achieved in the non-ferroelectric and antiferromagnetic ground state of…

Strongly Correlated Electrons · Physics 2015-11-11 Taro Nakajima , Yusuke Tokunaga , Yasujiro Taguchi , Yoshinori Tokura , Taka-hisa Arima

It is shown that external magnetic field or magnetization induces electric polarization of microscopic isolated magnetic/non-magnetic hybrid structures due to the spin-dependent electron redistribution and mutual capacity. The…

Mesoscale and Nanoscale Physics · Physics 2015-04-15 P. V. Pyshkin , A. V. Yanovsky

A polarized, internal electron target gradually polarizes a proton beam in a storage ring. Here, we derive the spin-transfer cross section for $\vec e\,(p,\vec p\, )e$\ scattering. A recent measurement of the polarizing effect of a…

Nuclear Theory · Physics 2009-09-25 C. J. Horowitz , H. O. Meyer

We address a systematic microscopic theory of spin-dependent electric polarization in 3d oxides starting with a generic three-site two-hole cluster. A perturbation scheme realistic for 3d oxides is applied which implies the quenching of…

Strongly Correlated Electrons · Physics 2009-11-13 A. S. Moskvin , S. -L. Drechsler

Manipulating the spin polarization of electron beams using light is highly desirable but exceedingly challenging, as the approaches proposed in previous studies using free-space light usually require enormous laser intensities. Here, we…

Optics · Physics 2022-06-22 Deng Pan , Hongxing Xu

In spin-based electronics, information is encoded by the spin state of electron bunches. Processing this information requires the controlled transport of spin angular momentum through a solid, preferably at frequencies reaching the so far…

Mesoscale and Nanoscale Physics · Physics 2013-09-03 T. Kampfrath , M. Battiato , P. Maldonado , G. Eilers , J. Nötzold , I. Radu , F. Freimuth , Y. Mokrousov , S. Blügel , M. Wolf , P. M. Oppeneer , M. Münzenberg

We theoretically investigate how the orbital angular momentum of light can affect a chiral magnetic order. Here, we consider a metallic chiral helimagnet, which is under stationary radiation of a resonant optical vortex beam. We propose a…

Mesoscale and Nanoscale Physics · Physics 2021-05-27 Yutaro Goto , Hajime Ishihara , Nobuhiko Yokoshi