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Related papers: Amorphous GdFeCo Films Exhibiting Large and Tunabl…

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Amorphous TbFeCo thin films sputter deposited at room temperature on thermally oxidized Si substrate are found to exhibit strong perpendicular magnetic anisotropy (PMA). Atom probe tomography (APT), scanning transmission electron microscopy…

Materials Science · Physics 2016-01-20 Xiaopu Li , Chung T. Ma , Jiwei Lu , Arun Devaraj , Steven R. Spurgeon , Ryan B. Comes , S. Joseph Poon

Impact of rapid thermal processing (RTP) on microstructure and magnetic properties of Gd-Fe thin films have been investigated with a special emphasis to magnetic microstructure. 100 nm thick amorphous Gd-Fe film shows elongated stripe…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 A. Talapatraa , J. Arout Chelvane , B. Satpati , S. Kumar , J. Mohanty

Rare earth/transition metal (RE/TM) multilayers with perpendicular magnetic anisotropy are key ingredients for the development of spintronic applications. Their compensation temperature depends on the ratio of the thicknesses of rare earth…

Epitaxial growth of Co20Fe50Ge30 thin film on single crystal MgO (001) substrate is reported. Structure characterization revealed (001)-oriented B2 order of CoFeGe well lattice matched with the MgO barrier. Perpendicular magnetic anisotropy…

Materials Science · Physics 2015-06-16 Manli Ding , S. Joseph Poon

Amorphous thin films of Tb$_{17}$Co$_{83}$ (a-Tb-Co) grown by magnetron co-sputtering exhibit changes in magnetic anisotropy with varying growth and annealing temperatures. The magnetic anisotropy constant increases with increasing growth…

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…

Materials Science · Physics 2018-06-13 Jie-Xiang Yu , Jiadong Zang

Fabrication of perpendicularly magnetized ferromagnetic films on various buffer layers, especially on numerous newly discovered spin-orbit torque (SOT) materials to construct energy-efficient spin-orbitronic devices, is a long-standing…

Mesoscale and Nanoscale Physics · Physics 2022-10-05 Kaihua Lou , Tunan Xie , Qianwen Zhao , Baiqing Jiang , ChaoChao Xia , Hanying Zhang , Zhihong Yao , Chong Bi

The magnetization of amorphous DyCo3 and TbCo3 is studied by magnetometry, anomalous Hall effect and magneto-optic Kerr effect to understand the temperature-dependent magnetic structure. A square magnetic hysteresis loop with perpendicular…

Materials Science · Physics 2023-12-21 Zexiang Hu , Ajay Jha , Katarzyna Siewierska , Ross Smith , Karsten Rode , Plamen Stamenov , J. M. D. Coey

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…

Materials Science · Physics 2016-02-17 Dorj Odkhuu , Noejung Park

In this work we report the appearence of a large perpendicular magnetic anisotropy (PMA) in Fe$_{1-x}$Ga$_x$ thin films grown onto ZnSe/GaAs(100). This arising anisotropy is related to the tetragonal metastable phase in as-grown samples…

Materials Science · Physics 2015-08-18 M. Barturen , J. Milano , M. Vásquez-Mansilla , C. Helman , M. A. Barral , A. M. Llois , M. Eddrief , M. Marangolo

From a systematic study of the electrical resistivity $\rho(T,H)$, magnetic susceptibility $\chi(T,H)$, isothermal magnetization $M(H)$ and the specific heat $C(T,H)$, a temperature-magnetic field ($T$-$H$) phase diagram has been…

Strongly Correlated Electrons · Physics 2015-03-04 T. Shang , Y. H. Chen , F. Ronning , N. Cornell , J. D. Thompson , A. Zakhidov , M. B. Salamon , H. Q. Yuan

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

The ability to tune the competition between the in-plane and out-of-plane orientation of magnetization provides a means to construct thermal sensors with a sharp spin re-orientation transition at specific temperatures. We have observed such…

Magnetically full or partially compensated insulating ferrimagnets with perpendicular magnetic anisotropy (PMA) offer valuable insights into fundamental spin-wave physics and high-speed magnonic applications. This study reports on key…

Materials Science · Physics 2025-04-07 Carsten Dubs , Oleksii Surzhenko

Perpendicular magnetic anisotropy (PMA) and dynamic magnetization reversal process in [CoFeB $t$ nm/Pd 1.0 nm]$_n$ ($t$ = 0.4, 0.6, 0.8, 1.0, and 1.2 nm; $n$ = 2 - 20) multilayer films have been studied by means of magnetic hysteresis and…

Mesoscale and Nanoscale Physics · Physics 2014-10-14 Duc-The Ngo , Duy-Truong Quach , Quang-Hung Tran , Kristian Mølhave , The-Long Phan , Dong-Hyun Kim

The perpendicular magnetic anisotropy (PMA) at magnetic transition metal/oxide interfaces is a key element in building out-of-plane magnetized magnetic tunnel junctions for spin-transfer-torque magnetic random access memory (STT-MRAM). Size…

Materials Science · Physics 2022-05-30 Fatima Ibrahim , Ali Hallal , Alan Kalitsov , Derek Stewart , Bernard Dieny , Mairbek Chshiev

Exploring novel systems with perpendicular magnetic anisotropy (PMA) is vital for advancing memory devices. In this study, we report an intriguing PMA system involving an ultrathin Fe layer on an antiferromagnetic (AFM) CoO(001) surface.…

Using first-principles calculations, we elucidate microscopic mechanisms of perpendicular magnetic anisotropy (PMA)in Fe/MgO magnetic tunnel junctions through evaluation of orbital and layer resolved contributions into the total anisotropy…

Materials Science · Physics 2013-11-26 A. Hallal , H. X. Yang , B. Dieny , M. Chshiev

We report on perpendicular magnetic anisotropy (PMA) in a Pt/Co2FeAl/MgO sandwiched structure with a thick Co2FeAl layer of 2-2.5 nm. The PMA is thermally stable that the anisotropy energy density Ku is 1.3{\times}106 erg/cm3 for the…

Materials Science · Physics 2015-05-27 Xiaoqi Li , Shaoqian Yin , Yupeng Liu , Delin Zhang , Xiaoguang Xu , Jun Miao , Yong Jiang

In the paper we present the results of extensive studies of palladium-rich Pd1-xFex alloy films epitaxially grown on MgO single-crystal substrate. In a composition range of x = 0.01-0.07 these materials are soft ferromagnets, the saturation…

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