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Magnetic anisotropy and anomalous transitions in TbMnO3 thin films
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10.1063/1.4754544
/content/aip/journal/apl/101/12/10.1063/1.4754544
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4754544
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Perspective view of the distorted orthorhombic structure of TbMnO3. (b) and (c) XRD patterns for the 40 nm TMO films on LAO and STO substrates, respectively. The insets show the schematic model of epitaxial relationship between the films and substrates, respectively. (d) φ-scan around LAO (111) and TMO (111) reflections. (e) φ-scan around STO (222) and TMO (222) reflections.

Image of FIG. 2.
FIG. 2.

Temperature dependent magnetization under ZFC condition with a 200 Oe measurement field, perpendicular to (out-plane [110] (a)) and parallel to (in-plane [−110] and [001] (b)) surface of TMO film on LAO substrate, perpendicular to (out-plane [001] (c)) and parallel to (in-plane [−110] and [110] (d)) surface of TMO film on STO substrate. Left and right insets of (b) are the second measurement [001] M/T curve and the enlarged 120 K transition, separately. Inset of (c) is the enlarged 10 K transition. Inset of (d) is the coherence sketch of the domain of TMO film with STO substrate.

Image of FIG. 3.
FIG. 3.

Magnetization vs temperature plots of TMO film on LAO substrate measured along film [001] orientation under ZFC and FC conditions of 200 Oe and 2000 Oe, respectively. Inset is Magnetization versus magnetic field (H) at 5 K and the nested inset is the enlarged M-H.

Image of FIG. 4.
FIG. 4.

Magnetization measured on the TMO film grown on STO substrate, (a) Magnetization versus magnetic field (H) on [110] orientation at 5 K, and inset is the enlarged M-H. (b) Magnetization vs temperature plots on [110] orientation under ZFC and FC conditions of 200 Oe. (c) Magnetization vs temperature plots of TMO films with different thickness on STO substrates measured under ZFC condition with a 200 Oe measurement field along [110] direction. (d) Inverse susceptibility (χ−1) as a function of temperature.

Image of FIG. 5.
FIG. 5.

The cross-section bright-field TEM micrographs of the 40-nm-thick TMO films grown on LAO (a) and STO (b) substrates, respectively.

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/content/aip/journal/apl/101/12/10.1063/1.4754544
2012-09-19
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic anisotropy and anomalous transitions in TbMnO3 thin films
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4754544
10.1063/1.4754544
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