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Related papers: Elucidating the Voltage Controlled Magnetic Anisot…

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We report a novel approach to engineering large voltage-controlled magnetic anisotropy (VCMA) and enhanced spin-orbit coupling (SOC) at the interface of single-layer graphene (SLG) and NiFe (Py) through non-covalent functionalization with…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Ambika Shanker Shukla , Abhishek Erram , Heston Alfred Mendonca , Deepak Kumar , Akanksha Chouhan , Ashwin A. Tulapurkar

Understanding magnetocrystalline anisotropy (MCA) is fundamentally important for developing novel magnetic materials. Therefore, clarifying the relationship between MCA and local physical quantities observed by spectroscopic measurements,…

Materials Science · Physics 2022-10-19 Yoshio Miura , Jun Okabayashi

We present a novel memory device that consists of a thin ferromagnetic layer of Fe deposited on topological insulator thin film, Bi2Se3. The ferromagnetic layer has perpendicular anisotropy, due to MgO deposited on the top surface of Fe.…

Mesoscale and Nanoscale Physics · Physics 2016-02-18 Bahniman Ghosh , Rik Dey , Leonard F. Register , Sanjay K. Banerjee

The electric field effect on magnetic anisotropy was studied in an ultrathin Fe(001) monocrystalline layer sandwiched between Cr buffer and MgO tunnel barrier layers, mainly through post-annealing temperature and measurement temperature…

Density-functional calculations are performed to explore magnetoelectric effects originating from the influence of an external electric field on magnetic properties of the Fe/MgO(001) interface. It is shown that the effect on the interface…

Materials Science · Physics 2010-03-31 Manish K. Niranjan , Chun-Gang Duan , Sitaram S. Jaswal , Evgeny Y. Tsymbal

The exploration of electric field controlled magnetism has come under scrutiny for its intriguing magnetoelectric phenomenon as well as technological advances in spintronics. Herein, the tremendous effect of an epitaxial strain on…

Computational Physics · Physics 2016-09-14 Dorj Odkhuu

Recently, an associative memory operation by a virtual oscillator network, consisting of a single spintronic oscillator, was examined to solve issues in conventional, real oscillators-based neural networks such as inhomogeneities between…

Mesoscale and Nanoscale Physics · Physics 2024-04-10 Tomohiro Taniguchi , Yusuke Imai

We carry out a systematic theoretical investigation of Magneto Crystalline Anisotropy (MCA) of L10 FePt clusters with alternating Fe and Pt planes along the (001) direction. We calculate the structural relaxation and magnetic moment of each…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 Alamgir Kabir , Jun Hu , Volodymyr Turkowski , Ruqian Wu , Talat S. Rahman

Effects of a microwave voltage on magnetization precession are analyzed based on a macrospin model. The microwave voltage induces the oscillating anisotropy field through the voltage controlled magnetic anisotropy (VCMA) effect, and then…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Hiroshi Imamura , Rie Matsumoto

We propose a two terminal nanomagnetic memory element based on magnetization reversal of a perpendicularly magnetized nanomagnet employing a unipolar voltage pulse that modifies the perpendicular anisotropy of the system. Our work…

Mesoscale and Nanoscale Physics · Physics 2018-06-04 Dhritiman Bhattacharya , Jayasimha Atulasimha

In this study we present a theoretical investigation of the role that ferromagnetic plane (111) plays in the formation of magnetocrystalline anisotropy (MCA) effects in CoO and FeO monoxides. For this purpose, a first-principles…

Materials Science · Physics 2025-04-28 Ilya V. Kashin , Alexander S. Iakovlev , Sergei N. Andreev

We report the phase-transition controlled magnetic anisotropy modulation in the (Co/Pt)2/VO2 heterostructure, where VO2 is introduced into the system to applied an interfacial strain by its metal-insulator transition. A large reversible…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Guodong Wei , Xiaoyang Lin , Zhizhong Si , Yanxue Chen , Sylvain Eimer , Weisheng Zhao

We address the electronically induced anisotropy field acting on a spin moment comprised in a vibrating magnetic molecule located in the junction between ferromagnetic metals. Under weak coupling between the electrons and molecular…

Mesoscale and Nanoscale Physics · Physics 2018-06-20 J. D. Vasquez Jaramillo , H. Hammar , J. Fransson

Spin waves, known for their ability to propagate without the involvement of moving charges, hold immense promise for on-chip information transfer and processing, offering a path toward post-CMOS computing technologies. This study…

A nano-scale reconfigurable magnonic crystal is designed using voltage-controlled perpendicular magnetic anisotropy (PMA) in ferromagnetic-dielectric hetero-structures. A periodic array of gate metallic stripes is placed on top of a MgO/Co…

Mesoscale and Nanoscale Physics · Physics 2017-04-26 Qi Wang , Andrii V. Chumak , Lichuan Jin , Huaiwu Zhang , Burkard Hillebrands , Zhiyong Zhong

Understanding the magnetic anisotropy at ferromagnetic metal/oxide interface is a fundamental and intriguing subject. Here we propose an approach to manipulate the strength of perpendicular magnetic anisotropy (PMA) by varying MgO thickness…

Materials Science · Physics 2014-12-05 T. Zhu , P. Chen , Q. H. Zhang , R. C. Yu , B. G. Liu

In this work, we utilize voltage controlled magnetic anisotropy (VCMA) to manipulate magnetic skyrmions that are fixed in space. Memory devices based on this strategy can potentially be of smaller footprint and better energy efficiency than…

Mesoscale and Nanoscale Physics · Physics 2020-09-22 Dhritiman Bhattacharya , Seyed Armin Razavi , Hao Wu , Bingqian Dai , Kang L. Wang , Jayasimha Atulasimha

Two-dimensional (2D) ferromagnets have been a fascinating subject of research, and magnetic anisotropy (MA) is indispensable for stabilizing the 2D magnetic order. Here, we investigate magnetic anisotropy energy (MAE), magnetic and…

Materials Science · Physics 2022-11-09 San-Dong Guo , Yu-Ling Tao , Kai Cheng , Bing Wang , Yee-Sin Ang

The magnetic anisotropy (MA) of Fe-based ferromagnetic thin films has been extensively studied for device applications. The examined material is a new Fe-based ferromagnetic thin film, bcc Fe$_{1-x}$As$_x$ (Fe-As) with the in-plane MA (IMA)…

The origin of large perpendicular magneto-crystalline anisotropy (PMCA) in Fe/MgO (001) is revealed by comparing Fe layers with and without the MgO. Although Fe-O $p$-$d$ hybridization is weakly present, it cannot be the main origin of the…

Materials Science · Physics 2016-04-29 Dorj Odkhuu , Won Seok Yun , S. H. Rhim , Soon-Cheol Hong