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相关论文: Thickness-Dependent Magnetoelasticity and its Effe…

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The influence of epitaxial strain on uniaxial magnetic anisotropy of Co$_{2}$FeSi (CFS) and Co$_{2}$MnSi (CMS) Heusler alloy thin films grown on (001) SrTiO$_3$ (STO) and MgO is reported. The in-plane biaxial strain is susceptible to tune…

材料科学 · 物理学 2014-01-14 Himanshu Pandey , P. K. Rout , Anupam , P. C. Joshi , Z. Hossain , R. C. Budhani

The thickness evolution of in-plane magnetization reversal in ultrathin films is studied with a theoretical model that takes account of surface roughness typical of epitaxial growth. Guided by N\'{e}el's model, step edge sites of…

材料科学 · 物理学 2007-05-23 R. A. Hyman , A. Zangwill , M. D. Stiles

The correlation between magnetic and structural properties of Co_{2} FeAl (CFA) thin films of different thickness (10 nm<d< 100 nm) grown at room temperature on MgO-buffered Si/SiO2 substrates and annealed at 600\lyxmathsym{\textdegree}C…

材料科学 · 物理学 2014-07-30 M. Belmeguenai , H. Tuzcuoglu , M. S. Gabor , T. Petrisor , C. Tuisan , D. Berling , F. Zighem , S. M. Chérif

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…

材料科学 · 物理学 2014-12-05 T. Zhu , P. Chen , Q. H. Zhang , R. C. Yu , B. G. Liu

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…

材料科学 · 物理学 2015-06-22 M. Gueye , B. M. Wague , F. Zighem , M. Belmeguenai , M. S. Gabor , T. Petrisor , C. Tiusan , S. Mercon , D. Faurie

This paper shows the correlation between chemical order, lattice strains and magnetic properties of Heusler Co2FeAl films epitaxially grown on MgO(001). A detailed magnetic characterization has been performed using vector field…

材料科学 · 物理学 2016-11-26 M. S. Gabor , T. Petrisor , C. Tiusan , M. Hehn , T. Petrisor

We studied the in-plane magnetic anisotropy of rf (radio frequency) sputtered [(FeTaN)/(TaN)](n) multilayers synthesized on Si substrates. In the multilayers where n=5, the FeTaN thickness is fixed at 30 nm and the thickness of TaN, t(TaN),…

材料科学 · 物理学 2007-05-23 H. B. Nie , S. Y. Xu , J. Li , C. K. Ong , J. P. Wang

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…

介观与纳米尺度物理 · 物理学 2014-10-14 Duc-The Ngo , Duy-Truong Quach , Quang-Hung Tran , Kristian Mølhave , The-Long Phan , Dong-Hyun Kim

Ferromagnetic insulating La$_2$CoMnO$_{6-\epsilon}$ (LCMO) epitaxial thin films grown on top of SrTiO$_3$ (001) substrates presents a strong magnetic anisotropy favoring the out of plane orientation of the magnetization with a strong…

We present a method to map the saturation magnetization of soft ultrathin films with perpendicular anisotropy, and we illustrate it to assess the compositional dependence of the magnetization of CoFeB(1 nm)/MgO films. The method relies on…

介观与纳米尺度物理 · 物理学 2015-06-16 N. Vernier , J. P. Adam , S. Eimer , G. Agnus , T. Devolder , T. Hauet , B. Ockert , D. Ravelosona

Controlling the uniaxial magnetic anisotropy is of practical interest to a wide variety of applications. We study Co$_{40}$Fe$_{40}$B$_{20}$ single films grown on various crystalline orientations of LiNbO$_3$ substrates and on oxidized…

材料科学 · 物理学 2023-06-06 R. L. Seeger , F. Millo , A. Mouhoub , G. de Loubens , A. Solignac , T. Devolder

We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T=0 K with an upper critical field of 31.74 T…

Co80Ir20 ferromagnetic thin films have recently been the focus of intensive research because the negative magnetocrystalline anisotropy adds to the shape anisotropy and favors a strong alignment of the magnetization in the film plane for…

By studying coupled ferro- (FM) and antiferromagnetic (AFM) thin film systems, we obtain an in-plane magnetic reorientation as a function of temperature and FM film thickness. The interlayer exchange coupling causes a uniaxial anisotropy,…

统计力学 · 物理学 2009-11-10 P. J. Jensen , H. Dreysse

We have developed an approach to determine the magnetoelastic coupling constant of magnetic layers in thin film heterostructures. The film is formed on a piezoelectric substrate between two interdigital transducers (IDT), a platform often…

介观与纳米尺度物理 · 物理学 2023-10-27 Takuya Kawada , Isamu Yasuda , Masashi Kawaguchi , Masamitsu Hayashi

We have performed a systematic investigation of magnetotransport of a series of as-grown and annealed Ga1-xMnxAs samples with 0.011 <= x <= 0.09. We find that the anisotropic magnetoresistance (AMR) generally decreases with increasing…

材料科学 · 物理学 2009-11-11 K. Y. Wang , K. W. Edmonds , R. P. Campion , L. X. Zhao , C. T. Foxon , B. L. Gallagher

The influence of the in-plane anisotropy on the magnetization of a nanogranular film with perpendicular anisotropy has been studied. It is shown that if a magnetic field is tilted with respect to the film normal, a critical transition from…

介观与纳米尺度物理 · 物理学 2015-01-29 M. M. Kulyk , V. M. Kalita , A. F. Lozenko , S. M. Ryabchenko , O. V. Stognei , A. V. Sitnikov

The symmetry-induced magnetic anisotropy due to monoatomic steps at strained Ni films is determined using results of first - principles relativistic full-potential linearized augmented plane wave (FLAPW) calculations and an analogy with the…

材料科学 · 物理学 2009-10-31 A. B. Shick , Yu. N. Gornostyrev , A. J. Freeman

We show that the magnetic anisotropy in spinel-structure CoCr$_2$O$_4$ thin films exhibits a strain dependence in which compressive strain induces an out-of-plane magnetic easy axis and tensile strain an in-plane easy axis, exactly opposite…

Evolution of magnetization behaviour of cobalt film on nano patterned silicon substrate, with film thickness, has been studied. In situ magneto-optical Kerr effect measurements during film deposition allowed us to study genuine thickness…

材料科学 · 物理学 2020-03-18 Khushboo Bukharia , Prasanta Karmakar , Dileep Kumar , Ajay Gupta
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