Journal ArticleDOI
Magnetic anisotropy and strain states of (001) and (110) colossal magnetoresistance thin films
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TLDR
In this paper, the magnetic anisotropy of epitaxial colossal magnetoresistance (EGM) films on SrTiO3 substrates is dominated by the strain or magnetocrystalline anisotropic effects depending on the orientation of the film.Abstract:
The magnetic anisotropy of epitaxial colossal magnetoresistance films on SrTiO3 substrates is dominated by the strain or magnetocrystalline anisotropy depending on the orientation of the film. While the magnetic anisotropy of (001) films is determined by magnetocrystalline anisotropy, that of (110) films is determined by magnetoelastic effects. Furthermore while the microstructure in the thin films has a significant effect on the coercive field, it has a correspondingly negligible effect on the magnetic anisotropy. We find a roughening surface morphology with increasing thickness that is more pronounced in (110) oriented films and can be attributed to the growth kinetics.read more
Citations
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Colossal magnetoresistive manganite thin films
TL;DR: In this paper, the results from different experimental techniques and the effects of the deposition procedure of mixed-valence perovskite manganite thin films are first reviewed, the relation between the structural and the physical properties is mentioned, and the influence of strains discussed.
Journal ArticleDOI
Atomic-scale control of magnetic anisotropy via novel spin–orbit coupling effect in La2/3Sr1/3MnO3/SrIrO3 superlattices
Di Yi,Jian Liu,Shang-Lin Hsu,Lipeng Zhang,Yongseong Choi,Jong-Woo Kim,Zuhuang Chen,James D. Clarkson,Claudy Serrao,Elke Arenholz,Philip Ryan,Haixuan Xu,Robert J. Birgeneau,Ramamoorthy Ramesh,Ramamoorthy Ramesh +14 more
TL;DR: A pathway to manipulate MA of 3d transition-metal oxides (TMOs) by digitally inserting nonmagnetic 5d TMOs with pronounced spin–orbit coupling (SOC) with high-quality superlattices comprising ferromagnet La2/3Sr1/3MnO3 and paramagnetic SrIrO3 is demonstrated.
Journal ArticleDOI
Step-induced uniaxial magnetic anisotropy of La0:67Sr0:33MnO3 thin films
TL;DR: The magnetic anisotropy of epitaxial La0.67 Sr 0.33 MnO3 thin films on vicinal, TiO2 -terminated SrTiO3 substrates is investigated in this paper.
Journal ArticleDOI
Tuning Magnetic Domain Structure in Nanoscale La0.7Sr0.3MnO3 Islands
Yayoi Takamura,Rajesh V. Chopdekar,Andreas Scholl,Andrew Doran,J. Alexander Liddle,Bruce Harteneck,Yuri Suzuki +6 more
TL;DR: This work has synthesized, for the first time, highly spin polarized complex magnetic oxide nanostructures embedded in a paramagnetic matrix by electron beam lithography and ion implantation.
Journal ArticleDOI
Microstructure, magnetic, and low-field magnetotransport properties of self-assembled (La0.7Sr0.3MnO3)0.5:(CeO2)0.5 vertically aligned nanocomposite thin films
Aiping Chen,Zhenxing Bi,Harshad Hazariwala,Xinghang Zhang,Qing Su,Li Chen,Quanxi Jia,Judith L. MacManus-Driscoll,Haiyan Wang +8 more
TL;DR: The results suggest that the growth of functional oxide in another oxide matrix with vertical heteroepitaxial form is a promising approach to achieve new functionality that may not be easily realized in the single epitaxial phase.
References
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Journal ArticleDOI
Giant negative magnetoresistance in perovskitelike La2/3Ba1/3MnOx ferromagnetic films.
R. von Helmolt,R. von Helmolt,Joachim Dr. Wecker,Joachim Dr. Wecker,B. Holzapfel,B. Holzapfel,L. Schultz,L. Schultz,Konrad Samwer,Konrad Samwer +9 more
TL;DR: The samples show a drop in the resistivity at the magnetic transition, and the existence of magnetic polarons seems to dominate the electric transport in this region.
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Mechanical properties of thin films
TL;DR: In this paper, it is shown that very large stresses may be present in the thin films that comprise integrated circuits and magnetic disks and that these stresses can cause deformation and fracture to occur.
Journal ArticleDOI
Atomic View of Surface Self‐Diffusion: Tungsten on Tungsten
Gert Ehrlich,F. G. Hudda +1 more
TL;DR: In this paper, the surface diffusion of tungsten adatoms on several smooth, low-index planes of the Tungsten lattice has been followed by direct observation of individual atoms in the field-ion microscope.
Journal ArticleDOI
Giant magnetoresistance in La1-xSrxMnOz films near room temperature
TL;DR: In this article, the authors reported the observation of giant magnetoresistance near room temperature in ferromagnetic films of La 1−xSrxMnOz for 0.16≤x≤0.33.
Journal ArticleDOI
Use of misfit strain to remove dislocations from epitaxial thin films
TL;DR: In this article, a simple theoretical model and experimental observations made on deposits of Ga(As, P) on GaAs, suggest that it is desirable for the film thickness to be small.