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Coexistence of weak ferromagnetism and polar lattice distortion in epitaxial NiTiO3 thin films of the LiNbO3-type structure
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10.1116/1.4801664
/content/avs/journal/jvstb/31/3/10.1116/1.4801664
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/31/3/10.1116/1.4801664
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Representative high-resolution 2 XRD pattern of a NiTiO/AlO film showing a (001)-oriented epitaxial film. Inset: Representative (006) rocking curve. Data collected using Cu Kα radiation.

Image of FIG. 2.
FIG. 2.

(Color online) High magnification HAADF-STEM image of the NiTiO/AlO film from the [110] direction with the structural drawing of LBO-type NiTiO () overlaid. The atoms in the structural model are scaled by atomic number (Ti: green; Ni: yellow). The image has been adjusted to account for a global sample drift during acquisition but is otherwise unprocessed.

Image of FIG. 3.
FIG. 3.

(Color online) Temperature-dependent DC magnetization of epitaxial NiTiO/AlO film (Ni:Ti = 1.1) indicating a Néel transition at ∼120 K (marked by green dashed line). The field-cooled magnetic moment vs temperature recorded on cooling is shown here.

Image of FIG. 4.
FIG. 4.

(Color online) Field-dependent magnetization curves for NiTiO/AlO film above and below the Néel temperature indicating residual magnetization at low T.

Image of FIG. 5.
FIG. 5.

(Color online) Optical SHG image of an NiTiO/AlO film showing SHG signal for the film (NTO) only and no SHG contrast for the substrate (ALO).

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/content/avs/journal/jvstb/31/3/10.1116/1.4801664
2013-04-15
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coexistence of weak ferromagnetism and polar lattice distortion in epitaxial NiTiO3 thin films of the LiNbO3-type structure
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/31/3/10.1116/1.4801664
10.1116/1.4801664
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