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A first principles study is conducted to explore the changes in the magnetic structure of Mn\textsubscript{3}GaN under anisotropic biaxial strain. Mn\textsubscript{3}GaN is an antiperovskite with a structure similar to that of an ideal…

Materials Science · Physics 2025-10-22 Roman Malyshev , Ingeborg-Helene Svenum , Sverre M. Selbach , Thomas Tybell

In this work, we demonstrate the voltage control of magnetic anisotropy in a strain-mediated Ni90Fe10/BaTiO3(001) heterostructure. In the pristine state of the heterostructure, the Magneto-Optical Kerr Effect measurements show a…

Materials Science · Physics 2025-03-24 A. Begué , M. W. Khaliq , N. Cotón , I. Lorenzo-Feijoo , M. A. Niño , M. Foerster , R. Ranchal

The attainability of modification of the apparent magnetic anisotropy in (III,Mn)V ferromagnetic semiconductors is probed by means of the finite-elements-based modelling. The most representative case of (Ga,Mn)As and its in-plane uniaxial…

Materials Science · Physics 2017-02-14 K. Dziatkowski , A. Twardowski

The electric control of magnetic anisotropy has important applications for nonvolatile memory and information processing. By first-principles calculations, we show a large nonvolatile control of magnetic anisotropy in…

Antiferromagnetic hexagonal MnTe is a promising material for spintronic devices relying on the control of antiferromagnetic domain orientations. Here we report on neutron diffraction, magnetotransport, and magnetometry experiments on…

Towards next-generation spintronics devices, such as computer memories and logic chips, it is necessary to satisfy high thermal stability, low-power consumption and high spin-polarization simultaneously. Here, from first-principles, we…

Materials Science · Physics 2014-11-04 Zhaoqiang Bai , Lei Shen , Yongqing Cai , Qingyun Wu , Minggang Zeng , Guchang Han , Yuan Ping Feng

General expressions for the longitudinal and transverse resistivities of single-crystalline cubic and tetragonal ferromagnets are derived from a series expansion of the resistivity tensor with respect to the magnetization orientation. They…

Materials Science · Physics 2009-11-11 W. Limmer , M. Glunk , J. Daeubler , T. Hummel , W. Schoch , R. Sauer , C. Bihler , H. Huebl , M. S. Brandt , S. T. B. Goennenwein

The rich magnetic anisotropy of compressively strained (Ga,Mn)As has attracted great interest recently. Here we discuss a sensitive method to visualize and quantify the individual components of the magnetic anisotropy using transport. A set…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 K. Pappert , S. Hümpfner , J. Wenisch , K. Brunner , C. Gould , G. Schmidt , L. W. Molenkamp

We investigate, angle dependent, the magnetoresistance (MR) of individual self-assembled ferromagnetic GaAs/(Ga,Mn)As core-shell nanowires at cryogenic temperatures. The shape of the MR traces and the observed strong anisotropies in…

We study a possible mechanism of the switching of the magnetic easy axis as a function of hole concentration in (Ga,Mn)As epilayers. In-plane uniaxial magnetic anisotropy along [110] is found to exceed intrinsic cubic magnetocrystalline…

Materials Science · Physics 2009-11-11 K. Hamaya , T. Watanabe , T. Taniyama , A. Oiwa , Y. Kitamoto , Y. Yamazaki

A study of dynamic and reversible voltage controlled magnetization switching in ferromagnetic Co/Pt thin film with perpendicular magnetic anisotropy at room temperature is presented. The change in the magnetic properties of the system is…

Magnetocrystalline anisotropy in transition metal alloys (FePt, CoPt, FePd, MnAl, MnGa, and FeCo) was studied using first-principles calculations to elucidate its specific mechanism. The tight-binding linear muffin-tin orbital method in the…

Materials Science · Physics 2014-03-04 Yohei Kota , Akimasa Sakuma

Strain-mediated voltage control of magnetization in piezoelectric/ferromagnetic systems is a promising mechanism to implement energy-efficient spintronic memory devices. Here, we demonstrate giant voltage manipulation of MgO magnetic tunnel…

Mesoscale and Nanoscale Physics · Physics 2016-09-02 Zhengyang Zhao , Mahdi Jamali , Noel D'Souza , Delin Zhang , Supriyo Bandyopadhyay , Jayasimha Atulasimha , Jian-Ping Wang

Progress in (Ga,Mn)As lithography has recently allowed us to realize structures where unique magnetic anisotropy properties can be imposed locally in various regions of a given device. We make use of this technology to fabricate a device in…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 K. Pappert , S. Hümpfner , C. Gould , J. Wenisch , K. Brunner , G. Schmidt , L. W. Molenkamp

In alignment with the increasing demand for larger storage capacity and longer data retention, electrical control of magnetic anisotropy has been a research focus in the realm of spintronics. Typically, magnetic anisotropy is determined by…

Strain-mediated magnetoelectric (ME) heterostructures enable electric-field control of magnetism and are promising for ultra-low-power spintronic logic. Yet achieving spatially selective, low-voltage control in thin films and quantifying ME…

The magnetic phase diagram and low-energy magnon excitations of structurally and magnetically chiral MnSb2O6 are reported. The specific heat and the static magnetization are investigated in magnetic fields up to 9 and 30 T, respectively,…

Strongly Correlated Electrons · Physics 2016-09-21 J. Werner , C. Koo , R. Klingeler , A. N. Vasiliev , Y. A. Ovchenkov , A. S. Polovkova , G. V. Raganyan , E. A. Zvereva

In 3d-electron magnetic systems, the magnetic structures that transform each other by spin rotation have very close degenerate energies due to small spin-orbit coupling and can be easily controlled by chemical substitution and external…

Materials Science · Physics 2025-11-20 Vu Thi Ngoc Huyen , Yuki Yanagi , Michi-To Suzuki

Voltage control of magnetic anisotropy (VCMA) in magnetic heterostructures is a key technology for achieving energy-efficiency electronic devices with ultralow power consumption. Here, we report the first demonstration of the VCMA effect in…

Materials Science · Physics 2017-03-24 Zhenchao Wen , Hiroaki Sukegawa , Takeshi Seki , Takahide Kubota , Koki Takanashi , Seiji Mitani

We use an aluminium single electron transistor with a magnetic gate to directly quantify the chemical potential anisotropy of GaMnAs materials. Uniaxial and cubic contributions to the chemical potential anisotropy are determined from field…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 C. Ciccarelli , L. P. Zarbo , A. C. Irvine , R. P. Campion , B. L. Gallagher , J. Wunderlich , T. Jungwirth , A. J. Ferguson