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Related papers: Perpendicular magnetic anisotropy at the Fe/MgAl$_…

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Electronic structure calculations are used to examine the magnetic properties of Fe$_2$P-based alloys and the mechanisms through which the Curie temperature and magnetocrystalline anisotropy can be optimized for specific applications. It is…

Materials Science · Physics 2017-10-18 I. A. Zhuravlev , V. P. Antropov , A. Vishina , M. van Schilfgaarde , K. D. Belashchenko

By Monte Carlo simulations in the canonical ensemble, we have studied the magnetic anisotropy in Fe/Dy amorphous multilayers. This work has been motivated by experimental results which show a clear correlation between the magnetic…

Materials Science · Physics 2008-07-09 Etienne Talbot , Pierre Emmanuel Berche , Denis Ledue

We systematically investigate the perpendicular magnetocrystalline anisotropy (MCA) in Co$-$Pt/Pd-based multilayers. Our magnetic measurement data shows that the asymmetric Co/Pd/Pt multilayer has a significantly larger perpendicular…

By performing systematic $ab$ $initio$ density functional calculations, here we study two relativity-induced properties of atomically thin ferromagnetic (FM) Cr$_2$Ge$_2$Te$_6$ films [monolayer (ML), bilayer (BL) and trilayer (TL) as well…

Mesoscale and Nanoscale Physics · Physics 2018-09-25 Yimei Fang , Shunqing Wu , Zi-Zhong Zhu , Guang-Yu Guo

We report magneto-crystalline anisotropy (MCA) calculations of Fe, Co and Ni slabs of various thicknesses and crystallographic orientations from two Density Functional Theory codes based either on a plane wave or a local atomic basis set…

Materials Science · Physics 2020-01-08 Ludovic Le Laurent , Cyrille Barreteau , Troel Markussen

Ferrimagnetic Mn$_2$Fe$_x$Ga $(0.26 \leq x \leq 1.12)$ thin films have been characterised by X-ray diffraction, SQUID magnetometry, X-ray absorption spectroscopy, X-ray magnetic circular dichroism and M\"{o}ssbauer spectroscopy with the aim…

Magnetic anisotropy and magnetic exchange interactions are crucial parameters that characterize the hybrid metal-organic interface, key component of an organic spintronic device. We show that the incorporation of 4$f$ RE atoms to hybrid…

Magnetoresistance (MR) anisotropy in LaAlO3/SrTiO3 (LAO/STO) interfaces is compared between samples prepared in high oxygen partial pressure (PO2) of 10-4 mbar exhibiting quasi-two-dimensional (quasi-2D) electron gas and low PO2 of 10-6…

Strongly Correlated Electrons · Physics 2011-10-25 X. Wang , W. M Lü , A. Annadi , Z. Q. Liu , S. Dhar , T. Venkatesan , Ariando

We have measured an Ag/Al interface specific resistance, 2AR(Ag/Al)(111) = 1.4 fOhm-m^2, that is twice that predicted for a perfect interface, 50% larger than for a 2 ML 50%-50% alloy, and even larger than our newly predicted 1.3 fOhmm^2…

Materials Science · Physics 2015-05-13 A. Sharma , N. Theodoropoulou , Shuai Wang , Ke Xia , W. P. Pratt , J. Bass

The electronic and magnetic properties of individual Fe atoms adsorbed on the surface of the topological insulator Bi$_2$Te$_3$(111) are investigated. Scanning tunneling microscopy and spectroscopy prove the existence of two distinct types…

Mesoscale and Nanoscale Physics · Physics 2016-08-11 T. Eelbo , M. Waśniowska , M. Sikora , M. Dobrzański , A. Kozłowski , A. Pulkin , G. Autès , I. Miotkowski , O. V. Yazyev , R. Wiesendanger

Very high magnetic anisotropies have been theoretically predicted for strained Fe-Co(-X) and indeed several experiments on epitaxial thin films seemed to confirm strain induced anisotropy enhancement. This study presents a critical analysis…

The interface between organic semiconductor [OSC]/ferromagnetic [FM] material can exhibit ferromagnetism due to their orbital hybridization. Charge/spin transfer may occur from FM to OSC layer leading to the formation of `spinterface' i.e.…

The in-plane resistivity and uniform magnetic susceptibility anisotropies of $BaFe_{2}As_{2}$ are obtained with a new method, in which a large symmetry-breaking uniaxial strain is applied using a substrate with a very anisotropic thermal…

We have studied surface morphology and magnetic properties of Fe/MgO(001) films deposited at an angle varying between 0o and 60o with respect to the surface normal and with azimuth along the Fe[010] or the Fe[110] direction. Due to…

Materials Science · Physics 2009-11-13 Qing-feng Zhan , Chris Van Haesendonck , Stijn Vandezande , Kristiaan Temst

The interface composed of magnets and strong spin-orbit coupling (SOC) materials forms an important platform for spintronic devices and intriguing magnetic phenomena, such as the chiral spin textures and magnetic proximity effect (MPE). The…

Materials Science · Physics 2023-12-29 Meng Wang , Shunsuke Mori , Xiuzhen Yu , Masahiro Sawada , Naoya Kanazawa , Pu Yu , Fumitaka Kagawa

The magnetic anisotropy (MA) of Mo/Au/Co0.9Fe0.1/Au/MgO(0.7 - 3 nm)/Au/Co0.9Fe0.1/Au heterostructure has been investigated at room temperature as a function of MgO layer thickness (tMgO). Our studies show that while the MA of the top layer…

Materials Science · Physics 2017-08-25 Kinga Lasek , Leszek Gladczuk , Maciej Sawicki , Pavlo Aleshkevych , Piotr Przyslupski

The magnetic properties of Fe$_2$Ta and Fe$_2$W in the hexagonal Laves phase are computed using density functional theory in the generalised gradient approximation, with the full potential linearised augmented plane wave method. The alloy…

Materials Science · Physics 2017-08-23 Alexander Edström

Ultra-thin film of FeRh on insulator MgO substrate has been investigated usingab-initio electronic structure calculations. From this calculation, we have found the interesting effect of epitaxial strain on the magnetocrystalline anisotropy…

Materials Science · Physics 2019-08-14 Henry Hoffmann , Eun Sung Jekal

Co2FeAl (CFA) ultrathin films, of various thicknesses (0.9 nm<tCFA<1.8 nm), have been grown by sputtering on Si substrates, using Ir as a buffer layer. The magnetic properties of the structures have been studied by vibrating sample…

Materials Science · Physics 2018-02-28 M. Belmeguenai , M. S. Gabor , Y. Roussigné , T. Petrisor , R. B. Mos , A. Stashkevich , S. M. Chérif , C. Tiusan

We report tight-binding (TB) and Density Function Theory (DFT) calculations of magnetocrystalline anisotropy energy (MAE) of free Fe (body centerd cubic) and Co (face centered cubic) slabs and nanocrystals. The nanocrystals are truncated…

Materials Science · Physics 2015-06-22 Dongzhe Li , Cyrille Barreteau , Martin R. Castell , Fabien Silly , Alexander Smogunov