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Related papers: GaMnN epitaxial films with high magnetization

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We report growth and characterization of epitaxial $\alpha$-Sn thin films grown on CdTe(111)B. Noninvasive techniques verify the film's pseduomorphic growth before fabrication of magnetotransport devices, overcoming ex-situ obstacles on…

Strongly Correlated Electrons · Physics 2020-02-19 Owen Vail , Patrick Taylor , Patrick Folkes , Barbara Nichols , George de Coster

Thin films of magnetite (Fe3O4) are grown on single crystal GaAs (100) substrate by pulsed laser deposition. X ray diffraction (XRD) result shows the (111) preferred orientation of the Fe3O4 film and x-ray photoelectron spectroscopy confirm…

Materials Science · Physics 2009-12-08 Ram Prakash , R. J. Choudhary , L. S. Sharath Chandra , N. Lakshmi , D. M. Phase

Ternary and quaternary cubic c-AlxIn1-xN/GaN and c-AlxGayIn1-x-y/GaN heterostructures lattice-matched to c-GaN on freestanding 3C-SiC substrates were grown by plasma-assisted molecular beam epitaxy. The c-AlxGayIn1-x-y alloy permits the…

Materials Science · Physics 2015-06-25 D. J. As , M. Schnietz , J. Schoermann , S. Potthast , J. W. Gerlach , J. Vogt , K. Lischka

A ferromagnetic coupling between localized Mn spins was predicted in a series of \textit{ab initio} and tight binding calculations and experimentally verified for the dilute magnetic semiconductor Ga$_{1-x}$Mn$_x$N. In the limit of small Mn…

Materials Science · Physics 2020-12-30 D. Sztenkiel , K. Gas , J. Z. Domagala , D. Hommel , M. Sawicki

Fe/Si multilayers with antiferromagnetic interlayer coupling have been grown via ion-beam sputtering on both glass and single-crystal substrates. High-angle x-ray diffraction measurements show that both sets of films have narrow Fe peaks,…

Condensed Matter · Physics 2009-10-28 A. Chaiken , R. P. Michel , C. -T. Wang

Contradictory reports about the electronic and magnetic behavior of bulk Nd0:5Ba0:5MnO3 with uniform disorder exist in the literature. In this work, we investigate the thin films of Nd0:5Ba0:5MnO3, grown by pulsed laser deposition. The…

Tetragonal Mn$_x$Ga$_{1-x}$ (x=0.70, 0.75) thin films grown on SrTiO$_3$ substrates at different temperatures and thicknesses exhibit perpendicular magnetic anisotropy with coercive fields between 1-2 T. Transmission electron microscopy…

Materials Science · Physics 2015-04-14 J. Karel , F. Casoli , P. Lupo , L. Nasi , S. Fabbrici , L. Righi , F. Albertini , C. Felser

Epitaxial Sc$_x$Al$_{1-x}$N thin films of ~100 nm thickness grown on metal polar GaN exhibit significantly enhanced relative dielectric permittivity ($\epsilon_r$) values relative to AlN. $\epsilon_r$ values of ~17 to 21 for Sc contents of…

Room temperature ferroelectricity is observed in lattice-matched ~18% ScAlN/GaN heterostructures grown by molecular beam epitaxy on single-crystal GaN substrates. The epitaxial films have smooth surface morphologies and high crystallinity.…

Epitaxial La2NiMnO6 thin films have been grown on (001)-oriented SrTiO3 using the PLD technique. The thin films are semiconducting and FM with a TC close to 270K, a coercive field of 920Oe, and a saturation magnetization of 5muB per f.u.…

Materials Science · Physics 2009-11-13 M. P. Singh , C. Grygiel , W. C. Sheets , P. Boullay , M. Hervieu , W. Prellier , B. Mercey , Ch. Simon , B. Raeau

Using first-principles density functional theory method, we have investigated the distribution and magnetism of doped Mn atoms in the vicinity of the 3 (112) grain boundary in Ge. We find that at low concentration, the substitutional sites…

Materials Science · Physics 2010-05-24 W. Wang , S. L. Zhang , Z. X. Tian , W. Xiao

We report on structural and optical properties of InGaN/GaN thin films, with a 0.46o misalignment between the surface and the (0001) plane, which were grown by metal-organic chemical vapor deposition (MOCVD) on 0.34o miscut sapphire…

Materials Science · Physics 2019-02-19 I. A. Ajia , S. M. C. Miranda , N. Franco , E. Alves , K. Lorenz , K. P. O'Donnell , I. S. Roqan

High quality epitaxial thin films of LaBiMn4/3Co2/3O6 perovskite were fabricated on (001)-oriented SrTiO3 and LaAlO3 substrates by the pulsed laser deposition technique. Magnetization measurements reveal a strong magnetic anisotropy and a…

Materials Science · Physics 2008-02-18 R. Ranjith , Asish K. Kundu , M. Filippi , B. Kundys , W. Prellier , B. Raveau , J. Laverdiere , M. P. Singh , S. Jandl

FeSn is a room-temperature antiferromagnet composed of alternating Fe3Sn kagome layers and honeycomb Sn layers. Its distinctive lattice allows the formation of linearly dispersing Dirac bands and topological flat bands in its electronic…

Materials Science · Physics 2024-12-02 P. Chatterjee , M. Nord , J. He , D. Meier , C. Brüne

In this work, the effect on crystallite orientation, surface morphology, fractal geometry, structural coordination and electronic environment of DC magnetron sputtered AlN films were investigated. X-ray diffraction results disclosed that…

Materials Science · Physics 2023-08-09 Aishwarya Madhuri , Sanketa Jena , Mukul Gupta , Bibhu Prasad Swain

Mn-doped GaAs thin films were grown at a high substrate temperature of 580 C. During the growth process, the Mn cell temperature was ramped at different rates, resulting in a variety of different Mn concentration depth profile slopes, as…

Mesoscale and Nanoscale Physics · Physics 2015-02-11 P. Xu , D. Qi , M. L. Ackerman , S. D. Barber , P. M. Thibado

Epitaxial Fe(Te,Se) thin films have been grown on various substrates but never been realized on magnetic layers. Here we report the epitaxial growth of four-fold Fe(Te,Se) film on a six-fold antiferromagnetic insulator, MnTe. The…

Epitaxial thin films of the substitutionally alloyed half-Heusler series CoTi$_{1-x}$Fe$_x$Sb were grown by molecular beam epitaxy on InAlAs/InP(001) substrates for concentrations 0.0$\leq$x$\leq$1.0. The influence of Fe on the structural,…

Two-dimensional (2D) ferromagnetic materials have been exhibiting promising potential in applications, such as spintronics devices. To grow epitaxial magnetic films on silicon substrate, in the single-layer limit, is practically important…

Materials Science · Physics 2020-08-26 Qian-Qian Yuan , Zhaopeng Guo , Zhi-Qiang Shi , Hui Zhao , Zhen-Yu Jia , Qianjin Wang , Jian Sun , Di Wu , Shao-Chun Li

The ferromagnetism of a thin GaMnAs layer with a perpendicular easy anisotropy axis is investigated by means of several techniques, that yield a consistent set of data on the magnetic properties and the domain structure of this diluted…

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