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Electrically induced ionic motion offers a new way to realize voltage-controlled magnetism, opening the door to a new generation of logic, sensor, and data storage technologies. Here, we demonstrate an effective approach to…

The influence of uniaxial anisotropy and the dipole interaction on the direction of the magnetization of ultra-thin ferromagnetic films in the ground-state is studied. The ground-state energy can be expressed in terms of anisotropy…

Materials Science · Physics 2009-11-07 K. D. Usadel , A. Hucht

Graphene on ferroelectric structures can be promising candidates for advanced field effect transistors, modulators and electrical transducers, providing that research of their electrotransport and electromechanical performances can be…

Applied Physics · Physics 2018-04-11 Anna N. Morozovska , Anatolii I. Kurchak , Zhanna G. Zemska , Maksym V. Strikha

The current driven magnetization dynamics of a thin-film, three magnetic terminal device (spin-flip transistor) is investigated theoretically. We consider a magnetization configuration in which all magnetizations are in the device plane,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Xuhui Wang , Gerrit E. W. Bauer , Teruo Ono

In this paper we have created a strain driven single crystal like ferromagnetic insulating (FMI) state in a PLD grown thin film of low doped LCMO(X = 0.15)on NGO(100) substrate and make a thorough study of strain effects on the electric and…

Strongly Correlated Electrons · Physics 2013-01-01 Rajib Nath , Sudeshna Samanta , A. K. Raychaudhuri

The discovery of magnetism in van der Waals (vdW) materials has established unique building blocks for the research of emergent spintronic phenomena. In particular, owing to their intrinsically clean surface without dangling bonds, the vdW…

We present results obtained with various types of heterogeneous nucleation in a kinetic Ising model of magnetization switching in single-domain ferromagnetic nanoparticles. We investigate the effect of the presence of the system boundary…

Condensed Matter · Physics 2009-10-28 M. Kolesik , H. L. Richards , M. A. Novotny , Per Arne Rikvold , Per-Anker Lindgard

Implementation of antiferromagnetic compounds as active elements in spintronics has been hindered by their insensitive nature against external perturbations which causes difficulties in switching among different antiferromagnetic spin…

We investigated the possibilities of controlling the nonlinear frequency shift of the magnetization oscillations in a spin-transfer nanoscillator by varying the magnitude and direction of the bias magnetic field. We considered both…

Mesoscale and Nanoscale Physics · Physics 2023-11-15 A. A Matveev , A. R. Safin , S. A. Nikitov

We show that magnetic skyrmions can be stabilized at room temperature in continuous Ir/Co/Pt multilayers on SiO2/Si substrate without prior application of electric current or magnetic field. While decreasing the Co thickness, tuning of the…

Nanomagnetic implementations of Boolean logic [1,2] have garnered attention because of their non-volatility and the potential for unprecedented energy-efficiency. Unfortunately, the large dissipative losses that take place when nanomagnets…

Mesoscale and Nanoscale Physics · Physics 2016-02-18 Noel D'Souza , Mohammad Salehi Fashami , Supriyo Bandyopadhyay , Jayasimha Atulasimha

Strain-mediated magnetoelectric (ME) coupling in ferroelectric (FE) / ferromagnetic (FM) heterostructures offers a unique opportunity for both fundamental scientific research and low power multifunctional devices. Relaxor-ferroelectrics,…

Materials Science · Physics 2021-10-13 S. Lindemann , J. Irwin , G. -Y. Kim , B. Wang , K. Eom , J. J. Wang , J. M. Hu , L. Q. Chen , S. Y. Choi , C. B. Eom , M. S. Rzchowski

We present a numerical and theoretical study that supports and explains recent experimental results on anomalous magnetization fluctuations of a uniaxial ferromagnetic film in its low-temperature phase, which is forced by an oscillating…

Materials Science · Physics 2017-10-18 Gloria M. Buendia , Per Arne Rikvold

We report on magnetic anisotropy modulation in Bismuth substituted Yttrium Iron Garnet (Bi-YIG) thin films and mesoscale patterned structures deposited on a PMN-PT substrate with the application of voltage-induced strain. The Bi content is…

Optical control of magnetization is often symmetry-forbidden because electric fields and magnetization transform differently under inversion and time-reversal. However, through even-order nonlinear response, optical excitation can generate…

Electric-field control of magnetization dynamics is fundamentally and technologically important for future spintronic devices. Here, based on electric-field control of both magnetic anisotropy and spin--orbit torque, two distinct methods…

Materials Science · Physics 2020-09-15 Takahiro Chiba , Takashi Komine

Electrical tuning of magnetism is crucial for developing fast, compact, ultra-low power electronic devices. Multiferroics offer significant potential due to their ability to control magnetic via an electric field through magnetoelectric…

Mesoscale and Nanoscale Physics · Physics 2024-09-16 Yingying Wu , Zdenek Sofer , Wei Wang

The effect of high tensile strain and low dimensionality on the magnetic and electronic properties of CaMnO$_3$ ultrathin films, epitaxially grown on SrTiO$_3$ substrates, are experimentally studied and theoretically analyzed. By means of…

Materials Science · Physics 2020-09-02 A. López Pedroso , M. A. Barral , M. E. Graf , A. M. Llois , M. H. Aguirre , L. B. Steren , S. Di Napoli

Magnetic and magnetotransport properties of oriented polycrystalline Pr0.58Ca0.42MnO3 thin films prepared in flowing oxygen and air ambient has been investigated. The magnetic ground state of both the films is a frozen cluster glass. In the…

Materials Science · Physics 2014-08-14 Vasudha Agarwal , P. K. Siwach , G. D. Varma , V. P. S. Awana , A. K. Srivastava , H. K. Singh

We present a theoretical study of spin-dependent transport through a ferromagnetic domain wall. With an increase of the number of components of the exchange coupling, we have observed that the variance of the conductance becomes half. As…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 J. Ohe , M. Yamamoto , T. Ohtsuki , K. Slevin
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