scholarly journals The in-plane magnetic anisotropy in manganite film: A novel magnetic anisotropy induced by structural anisotropy

AIP Advances ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 095113
Author(s):  
Haiou Wang ◽  
Weishi Tan
Keyword(s):  
Magnetic Anisotropy ◽  
Structural Anisotropy ◽  
Manganite Film

Pair Ordering Anisotropy In Amorphous Tb-Fe Thin Films

1995 ◽  
Vol 384 ◽  
Author(s):  
T.C. Hufnagel ◽  
S. Brennan ◽  
B.M. Clemens
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Perpendicular Magnetic Anisotropy ◽  
High Energy ◽  
Distribution Functions ◽  
Anisotropy Energy ◽  
Magnetic Anisotropy Energy ◽  
Structural Anisotropy ◽  
Out Of Plane ◽  
Plane Direction

ABSTRACTWe have studied the structural origins of perpendicular magnetic anisotropy in amorphous Tb-Fe thin films by employing high energy x-ray scattering. The as-deposited films show a clear structural anisotropy, with a preference for Fe-Tb near-neighbors to align in the out-of-plane direction. Upon annealing, the magnetic anisotropy energy drops significantly, and we see a corresponding reduction in the structural anisotropy. The radial distribution functions indicate that the number of Fe-Tb near-neighbors increases in the in-plane direction, but does not change in the out-of-plane direction. Therefore, the distribution of Fe-Tb near-neighbors becomes more uniform upon annealing. We conclude that the observed reduction in perpendicular magnetic anisotropy energy is a result of this change in structure.

Structural anisotropy of amorphous alloys with creep-induced magnetic anisotropy

2012 ◽  
Vol 60 (3) ◽  
pp. 1278-1286 ◽  
Author(s):  
M. Ohnuma ◽  
G. Herzer ◽  
P. Kozikowski ◽  
C. Polak ◽  
V. Budinsky ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Amorphous Alloys ◽  
Structural Anisotropy ◽  
Induced Magnetic Anisotropy

Anisotropic Local Structure of Co-Pd Alloy and Pd/Co Multilayer Films Having Perpendicular Magnetic Anisotropy

1997 ◽  
Vol 475 ◽  
Author(s):  
Sang-Koog Kim ◽  
V.A. Chernov ◽  
J. B. Kortright ◽  
Yang-Mo Koo
Keyword(s):  
Magnetic Anisotropy ◽  
Effective Strain ◽  
Perpendicular Magnetic Anisotropy ◽  
Multilayer Films ◽  
Growth Direction ◽  
Alloy Layer ◽  
Diffuse Interface ◽  
Structural Anisotropy ◽  
Strain Anisotropy ◽  
Pd Alloy

ABSTRACTAnisotropie short-range structure in Co-Pd alloy and Pd/Co multilayer films is determined using polarized Co K-edge extended x-ray absorption fine structure. A local modulation of Co fraction exists along the growth direction in the alloy films. Pd underlayer and Pd spacers alternated with the alloy layer influence an effective strain anisotropy. Pd/Co multilayers have an alloy-like region near nominal interfaces by diffuse interface. Pd spacers in the multilayer play a role in coherency strain rather than on broken symmetry of Co atoms. Local structural anisotropy of both strain and chemical environment contribute to the perpendicular magnetic anisotropy observed in these films.

TEM Study of Co/Pd and Co/Au Multilayers

1993 ◽  
Vol 51 ◽  
pp. 1036-1037
Author(s):  
A.E.M. De Veirman ◽  
F.J.G. Hakkens ◽  
W.M.J. Coene ◽  
F.J.A. den Broeder
Keyword(s):  
Magnetic Anisotropy ◽  
Ion Beam ◽  
Perpendicular Magnetic Anisotropy ◽  
Optical Recording ◽  
Magnetic Multilayer ◽  
Ion Beam Sputtering ◽  
Cross Sectional ◽  
Transmission Electron ◽  
Beam Sputtering ◽  
Substrate Temperatures

There is currently great interest in magnetic multilayer (ML) thin films (see e.g.), because they display some interesting magnetic properties. Co/Pd and Co/Au ML systems exhibit perpendicular magnetic anisotropy below certain Co layer thicknesses, which makes them candidates for applications in the field of magneto-optical recording. It has been found that the magnetic anisotropy of a particular system strongly depends on the preparation method (vapour deposition, sputtering, ion beam sputtering) as well as on the substrate, underlayer and deposition temperature. In order to get a better understanding of the correlation between microstructure and properties a thorough cross-sectional transmission electron microscopy (XTEM) study of vapour deposited Co/Pd and Co/Au (111) MLs was undertaken (for more detailed results see ref.).The Co/Pd films (with fixed Pd thickness of 2.2 nm) were deposited on mica substrates at substrate temperatures Ts of 20°C and 200°C, after prior deposition of a 100 nm Pd underlayer at 450°C.

MAGNETIC ANISOTROPY OF CARBON DOPED Nd2Fe14B

1985 ◽  
Vol 46 (C6) ◽  
pp. C6-305-C6-308 ◽  
Author(s):  
F. Bolzoni ◽  
F. Leccabue ◽  
L. Pareti ◽  
J. L. Sanchez
Keyword(s):  
Magnetic Anisotropy ◽  
Carbon Doped
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