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Related papers: Structure-property relationship of Co$_2$MnSi thin…

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The structural and magnetic properties of Pr-alloyed MnBi (short MnBi-Pr) nanostructures with a range of Pr concentrations have been investigated. The nanostructures include thin films having Pr concentrations 0, 2, 3, 5 and 9 atomic…

Materials Science · Physics 2015-06-12 P. Kharel , V. R. Shah , X. Z. Li , W. Y. Zhang , R. Skomski , J. E. Shield , D. J. Sellmyer

Single phase nano and micro crystalline silicon films deposited using SiF4/H2 plasma at different H2 dilution levels were studied at initial and terminal stages of film growth with spectroscopic ellipsometry (SE), Raman scattering (RS) and…

Materials Science · Physics 2009-11-13 Sanjay K. Ram , Md. N. Islam , P. Roca i Cabarrocas , Satyendra Kumar

Magnetic shape memory Heusler alloys are multiferroics stabilized by the correlations between electronic, magnetic and structural order. To study these correlations we use time resolved x-ray diffraction and magneto-optical Kerr effect…

Spin gapless semiconductors are known to be strongly affected by structural disorder when grown epitaxially as thin films. The magnetic properties of Mn2CoAl thin films grown on GaAs (001) substrates are investigated here as a function of…

Materials Science · Physics 2014-12-10 Michelle E. Jamer , Badih A. Assaf , George E. Sterbinsky , Dario A. Arena , Don Heiman

The Heusler compound Co2MnGa is a topological semimetal with intriguing electronic and magnetic properties, making it a promising candidate for spintronic applications. This study systematically investigates the effects of substrate…

Since the prediction of spin-gapless semiconducting behaviour in the Heusler compound Mn$_2$CoAl, evidence of spin-gapless behaviour in thin films has typically been inferred from magnetotransport measurements. The spin gapless state is…

Materials Science · Physics 2019-09-06 Robert G. Buckley , Tane Butler , Catherine Pot , Nicholas M. Strickland , Simon Granville

We investigate the structure and magneto-transport properties of thin films of the Co_2Cr_xFe_(1-x)Al full-Heusler compound, which is predicted to be a half-metal by first-principles theoretical calculations. Thin films are deposited by…

Materials Science · Physics 2009-11-11 A. D. Rata , H. Braak , D. E. Buergler , S. Cramm , C. M. Schneider

In order to combine silicon technology with the functionality of magnetic systems, a number of ferromagnetic (FM) materials have been suggested for the fabrication of metal/semiconductor heterojunctions. In this work, we present a…

Materials Science · Physics 2007-05-23 Hua Wu , Peter Kratzer , Matthias Scheffler

Using a combination of resonant soft x-ray scattering, magnetometry, x-ray reflectivity and microscopy techniques we have investigated the magnetic properties and microstructure of a series of perpendicular anisotropy Co/Pt multilayer films…

Co2MnSi (CMS) films of different thicknesses (20, 50 and 100 nm) were grown by radio frequency (RF) sputtering on a-plane sapphire substrates. Our X-rays diffraction study shows that, in all the samples, the cubic <110> CSM axis is normal…

We report on the influence of the improved L21 ordering degree on the magnetic properties of Co2MnSi Heusler films. Different fractions of the L21 phase are obtained by different post-growth annealing temperatures ranging from 350 degC to…

Materials Science · Physics 2007-08-27 O. Gaier , J. Hamrle , S. J. Hermsdoerfer , B. Hillebrands , Y. Sakuraba , M. Oogane , Y. Ando

Optical properties of ferromagnetic half-metallic full-Heusler Co$_{2}$FeGe alloy are investigated experimentally and theoretically. Co$_{2}$FeGe thin films were obtained by DC magnetron sputtering and show the saturation magnetization at…

Materials Science · Physics 2015-06-11 N. V. Uvarov , Y. V. Kudryavtsev , A. F. Kravets , A. Ya. Vovk , R. P. Borges , M. Godinho , V. Korenivski

Polycrystalline diamond films with systematic change in microstructure that varies from microcrystalline to nanocrystalline structure are synthesized on Si by hot filament chemical vapor deposition. The morphology and structural properties…

Materials Science · Physics 2019-01-10 P. K. Ajikumar , K. Ganesan , N. Kumar , T. R. Ravindran , S. Kalavathi , M. Kamruddin

The prediction of ferromagnetism at room temperature in Co-ZnO thin films has generated a large interest in the community due to the possible applications. However, the results are controversial, going from ferromagnetism to…

Materials Science · Physics 2009-11-11 A. Fouchet , W. Prellier , B. Mercey

We investigated the magnetic behavior of metal hydrides FeH$_{x}$, CoH$_{x}$ and NiH$_{x}$ for several concentrations of hydrogen ($x$) by using Density Functional Theory calculations. Several structural phases of the metallic host: bcc…

Materials Science · Physics 2017-09-12 Andrea León , E. A. Velásquez , J. Mejía-López , P. Vargas

High entropy oxides (HEOs) are a class of materials with vast compositional space and tunable properties, making them attractive for applications in thermoelectrics, magnetism, ionic conduction, and beyond. However, their metastable nature…

The structural transitions, magnetic properties, and electronic structures of Co(Fe)-doped MnNiSi compounds are investigated by x-ray powder diffraction (XRD), differential scanning calorimetry (DSC), magnetic measurements, and…

Materials Science · Physics 2015-04-17 Y. Li , Z. Y. Wei , E. K. Liu , G. D. Liu , S. G. Wang , W. H. Wang , G. H. Wu

Magnetic properties of multicomponent alloys depend sensitively on the degree of atomic order on the different crystallographic sites. In this work we demonstrate the magnetic contrast between bulk and thin-film samples of the Heusler alloy…

Materials Science · Physics 2023-09-21 Ross Smith , Zsolt Gercsi , Rui Zhang , Katarzyna Estera Siewierska , Karsten Rode , J. M. D. Coey

The different crystal structures of ferromagnetic Ni$_2$MnGa have been calculated using density functional theory (DFT) with special emphasis on the modulated structures 10M and 14M. These are important for understanding the stability of…

Materials Science · Physics 2007-05-23 A. Zayak , W. A. Adeagbo , P. Entel , V. D. Buchelnikov

Bending effect on the magnetic anisotropy in 20 nm Co$_{2}$FeAl Heusler thin film grown on Kapton\textregistered{} has been studied by ferromagnetic resonance and glued on curved sample carrier with various radii. The results reported in…

Materials Science · Physics 2015-06-22 M. Gueye , B. M. Wague , F. Zighem , M. Belmeguenai , M. S. Gabor , T. Petrisor , C. Tiusan , S. Mercon , D. Faurie