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We present an experimental investigation of the magnetic, electrical and structural properties of Ga0.94Mn0.06As1-yPy layers grown by molecular beam epitaxy on GaAs substrates for y less than or equal to 0.3. X-ray diffraction measurements…

Materials Science · Physics 2009-11-13 A W Rushforth , M Wang , N R S Farley , R C Campion , K W Edmonds , C R Staddon , C T Foxon , B L Gallagher

Ferromagnetic films with perpendicular magnetic anisotropy are of interest in spintronics and superconducting spintronics. Perpendicular magnetic anisotropy can be achieved in thin ferromagnetic multilayer structures, when the anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2023-06-01 N. Satchell , S. Gupta , M. Maheshwari , P. M. Shepley , M. Rogers , O. Cespedes , G. Burnell

Multilayers of Co90Fe10/Pd with different bilayer thicknesses, have been deposited by dc-magnetron sputtering on thermally oxidized Si wafers. Transmission electron microscopy showed that the highly textured crystalline films had columnar…

Materials Science · Physics 2015-06-23 Desai Zhang , Justin M. Shaw , David J. Smith , Martha R. McCartney

We investigate the element-specific spin and orbital states and their roles on magnetic anisotropy in the Co-ferrite (Co$_x$Fe$_{3-x}$O$_{4+\delta}$ (001)) thin films which exhibit perpendicular magnetic anisotropy (PMA). The origin of PMA…

Materials Science · Physics 2022-04-19 Jun Okabayashi , Masaaki A. Tanaka , Masaya Morishita , Hideto Yanagihara , Ko Mibu

We have performed Kinetic Monte Carlo simulation to study the effect of diffusion anisotropy and bonding anisotropy on island formation at different temperatures during the sub-monolayer film growth in Molecular Beam Epitaxy. We use simple…

Materials Science · Physics 2019-12-11 Jagannath Devkota , Shankar P. Shrestha

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…

Materials Science · Physics 2022-10-03 Mateusz Zelent , Mathieu Moalic , Olav Hellwig , Anjan Barman , Maciej Krawczyk

In this paper we analyze in details the electronic properties of (Co/Ni) multilayers, a model system for spintronics devices. We use magneto-optical Kerr (MOKE), spin-polarized photoemission spectroscopy (SRPES), x-ray magnetic circular…

We report that thin films of a prototype topological insulator, Bi$_{2}$Se$_{3}$, can be epitaxially grown onto the (0001) surface of BaFe$_{12}$O$_{19}$(BaM), a magnetic insulator with high Curie temperature and large perpendicular…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Wenmin Yang , Shuo Yang , Qinghua Zhang , Yang Xu , Shipeng Shen , Jian Liao , Jing Teng , Cewen Nan , Lin Gu , Young Sun , Kehui Wu , Yongqing Li

The concept of Perpendicular Shape-Anisotropy Spin-Transfer-Torque Magnetic Random-Access Memory tackles the downsize scalability limit of conventional ultrathin magnetic tunnel junctions (MTJ) below sub-20 nm technological nodes. This…

Mesoscale and Nanoscale Physics · Physics 2023-12-11 N. Caçoilo , L. D. Buda-Prejbeanu , B. Dieny , O. Fruchart , I. L. Prejbeanu

We investigate the magnetic properties of a Heisenberg ferrimagnetic multilayer by using Monte Carlo simulations. The aim of this work is to study the local structural anisotropy model which is a possible origin of the perpendicular…

Materials Science · Physics 2009-11-11 Etienne Talbot , Pierre Emmanuel Berche , Denis Ledue , Renaud Patte

Compositionally complex materials (CCMs) present a potential paradigm shift in the design of magnetic materials. These alloys exhibit long-range structural order coupled with limited or no chemical order. As a result, extreme local…

The strength of perpendicular anisotropy is known to drive the spin reorientation in thin magnetic films. Here we consider the effect different order anisotropies have on two phase transitions; the spin reorientation transition and the…

Statistical Mechanics · Physics 2015-06-12 Matthew C. Ambrose , Robert L. Stamps

We investigate magnetoresistance phenomena associated with the magnetization hard-axis collapse in polycrystalline Co thin films. Transport measurements reveal that, for specific orientations of the applied magnetic field, the system…

Other Condensed Matter · Physics 2026-05-27 Y. Fernandes , J. Geshev , A. M. H. de Andrade , A. D. C. Viegas

Recent work [1] demonstrated high coercivity and magnetic moment in cobalt carbide nanoparticle assemblies and explained the high coercivity from first principles in terms of the high magnetocrystalline anisotropy of the cobalt carbide…

Mesoscale and Nanoscale Physics · Physics 2018-09-26 Pallabi Sutradhar , Shiv N. Khanna , Jayasimha Atulasimha

Search for ultrathin magnetic film with large perpendicular magnetocrystalline anisotropy (PMA) has been inspired for years by the continuous miniaturization of magnetic units in spintronics devices. The common magnetic materials used in…

Materials Science · Physics 2018-06-07 Xiaoxuan Ma , Jun Hu

We present the results of Monte Carlo simulations of the magnetic properties of individual spherical nanoparticles with the aim to explain the role played by surface anisotropy on their low temperature magnetization processes. Phase…

Materials Science · Physics 2009-09-29 Oscar Iglesias , Amilcar Labarta

We study the effect of perpendicular single-ion anisotropy, $-As_{\text{z}}^2$, on the ground-state structure and finite-temperature properties of a two-dimensional magnetic nanodot in presence of a dipolar interaction of strength $D$. By a…

Statistical Mechanics · Physics 2013-10-01 Maciej Kasperski , H. Puszkarski , Danh-Tai Hoang , Hung T. Diep

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 study low temperature properties in the metallic magnets, considering the itinerant electron mediated ferromagnetism. Applying the Monte Carlo simulations to the extended double exchange model, we discuss reorientation phase transition…

Strongly Correlated Electrons · Physics 2019-06-06 Y. Taguchi , J. Nasu , A. Koga , T. Yoshioka , H. Tsuchiura

The influence of the crystal structure inhomogeneities on the magnetic properties of cobalt nanoparticles with different aspect ratio and spherical nanoparticles of chromium dioxide, cobalt ferrite and magnetite has been studied by means of…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 V. A. Bautin , A. G. Seferyan , M. S. Nesmeyanov , N. A. Usov
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