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相关论文: Predicting New Iron Garnet Thin Films with Perpend…

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Large perpendicular magnetic anisotropy (PMA) in transition metal thin films provides a pathway for enabling the intriguing physics of nanomagnetism and developing broad spintronics applications. After decades of searches for promising…

材料科学 · 物理学 2018-06-13 Jie-Xiang Yu , Jiadong Zang

Perpendicular magnetic anisotropy (PMA) in ultrathin magnetic structures is a key ingredient for the development of electrically controlled spintronic devices. Due to their relatively large spin-polarization, high Curie temperature and low…

材料科学 · 物理学 2019-10-30 M. S. Gabor , M. Nasui , A. Timar-Gabor

Perpendicular magnetic anisotropy (PMA) energy up to $K_{\mathrm{u}}=6.1\pm0.8$ MJ m$^{-3}$ is demonstrated in this study by inducing large lattice-distortion exceeding 3% at room temperature in epitaxially distorted cobalt ferrite Co$ _{x}…

材料科学 · 物理学 2021-12-03 Hiroshige Onoda , Hiroaki Sukegawa , Jun-ichiro Inoue , Hideto Yanagihara

We report the compositional and temperature dependence of magnetic compensation in amorphous GdFeCo films. Magnetic compensation is attributed to the competition between antiferromagnetic coupling of rare-earth with transition-metal (TM)…

材料科学 · 物理学 2015-06-16 Manli Ding , S. Joseph Poon

All-optical spin reversal presents a new opportunity for spin manipulations, free of a magnetic field. Most of all-optical-spin-reversal ferromagnets are found to have a perpendicular magnetic anisotropy (PMA), but it has been unknown…

材料科学 · 物理学 2017-09-27 G. P. Zhang , Y. H. Bai , Thomas F. George

Thin garnet films are becoming central for magnon-spintronics and spin-orbitronics devices as they show versatile magnetic properties together with low magnetic losses. These fields would benefit from materials in which heat does not affect…

Phenomena originated from spin-orbit interaction, such as magnetic anisotropy (MA), Rashba-type interactions, or topological insulators, have drawn huge attention for its intriguing physics. In particular, the search for a novel…

材料科学 · 物理学 2016-02-17 Dorj Odkhuu , Noejung Park

The magnetization dynamics in nanostructures has been extensively studied in the last decades, and nanomagnetism has evolved significantly over that time, discovering new effects, developing numerous applications, and identifying promising…

材料科学 · 物理学 2022-10-03 Mateusz Zelent , Mathieu Moalic , Olav Hellwig , Anjan Barman , Maciej Krawczyk

Perpendicular magnetic anisotropy (PMA) of magnets is paramount for electrically controlled spintronics due to their intrinsic potentials for higher memory density, scalability, thermal stability and endurance, surpassing an in-plane…

材料科学 · 物理学 2025-01-08 Kai-Xuan Zhang , Hanshu Xu , Jihoon Keum , Xiangqi Wang , Meizhuang Liu , Zuxin Chen

Rare-earth iron garnets have distinctive spin-wave (SW) properties such as low magnetic damping and long SW coherence length making them ideal candidates for magnonics. Among them, thulium iron garnet (TmIG) is a ferrimagnetic insulator…

Ferrimagnets take the advantages of both ferromagnets and antiferromagnets making them promise for spintronic applications. Here we prepared ferrimagnetic Mn4N thin films with high Curie temperature and investigated the crystalline…

In this work we are investigating the effect of strain in ultrathin Mn-Ga thin films on the magnetic properties at room temperature. Two different Mn-Ga compositions of which one is furthermore doped with Co were grown on Cr buffered MgO…

材料科学 · 物理学 2015-06-16 Albrecht Köhler , Ivan Knez , Daniel Ebke , Claudia Felser , Stuart S. P. Parkin

Magnetic anisotropy is a fundamental property of magnetic materials that determines the alignment of the spins along the preferential direction, called the easy axis of magnetization. Magnetic polycrystalline thin films offer several…

材料科学 · 物理学 2024-05-02 Arun Singh Dev , Dileep Kumar

Liquid phase epitaxy of an 18 nm thick Yttrium Iron garnet (YIG) film is achieved. Its magnetic properties are investigated in the 100 -- 400 K temperature range, as well as the influence of a 3 nm thick Pt overlayer on them. The saturation…

A new approach to increase the downsize scalability of perpendicular STT-MRAM is presented. It consists in significantly increasing the thickness of the storage layer in out-of-plane magnetized tunnel junctions (pMTJ) as compared to…

High perpendicular magnetic anisotropy (PMA), a property needed for nanoscale spintronic applications, is rare in oxide conductors. We report the observation of a PMA up to 0.23 MJ/m3 in modestly strained epitaxial NiCo2O4 (NCO) films which…

材料科学 · 物理学 2020-01-15 Corbyn Mellinger , Jace Waybright , Xiaozhe Zhang , Caleb Schmidt , Xiaoshan Xu

Quantum information science and engineering requires novel low-loss magnetic materials for magnon-based quantum-coherent operations. The search for low-loss magnetic materials, traditionally driven by applications in microwave electronics…

Magnetic insulators with strong perpendicular magnetic anisotropy (PMA) play a key role in exploring pure spin current phenomena and developing ultralow-dissipation spintronic devices, thereby it is highly desirable to develop new material…

In this article, we review the recent progress in growth, structural characterization, magnetic properties and related spintronic devices of tetragonal MnxGa and MnxAl thin films with perpendicular magnetic anisotropy. In the first part of…

材料科学 · 物理学 2013-12-04 Lijun Zhu , Shuaihua Nie , Jianhua Zhao

We report the fabrication of perpendicular ferromagnetic electrodes for tunneling devices consist of van der Waals heterostructure. We found MgO/Co/Pt films on Hexagonal BN shows perpendicular magnetic anisotropy (PMA) with the easy axis…

介观与纳米尺度物理 · 物理学 2017-10-31 H. Idzuchi , T. Taniguchi , K. Watanabe , P. Kim