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Epitaxial Ni–Mn–Ga films deposited on and evidence of magnetically induced reorientation of martensitic variants at room temperature
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View: Figures


Image of FIG. 1.
FIG. 1.

X-ray diffraction of Ni–Mn–Ga film deposited on (100). (a) scan. Position of expected lines of cubic phase is marked. Orthorhombic splitting of (400) line is marked by arrows. Strong nonmarked lines are substrate reflections of {100} type. (b) Pole figure measurements of reflections. Due to the cubic substrate symmetry only the first quadrant is shown. To enhance visibility the pole figure is limited to interval of from 0° to 60°.

Image of FIG. 2.
FIG. 2.

Temperature dependence of magnetization measured in the field of from during heating and cooling marked by arrows. Inset: detail in the vicinity of the martensitic transformation. Thermal hysteresis indicates the transformation.

Image of FIG. 3.
FIG. 3.

(a) Magnetization curves at different temperatures measured in the film plane along the [100] direction of the substrate, only first quadrant is shown. (b) Detail of the magnetization curve of martensite at (black, full line) and austenite at (red, dotted line). For clarity the initial magnetization curve is omitted from the figure.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Epitaxial Ni–Mn–Ga films deposited on SrTiO3 and evidence of magnetically induced reorientation of martensitic variants at room temperature