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Magnetic properties of MnSb inclusions formed in GaSb matrix directly during molecular beam epitaxial growth
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10.1063/1.3562171
/content/aip/journal/jap/109/7/10.1063/1.3562171
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3562171
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) The AFM (left) and MFM (right) images of the HT5 sample. Below the examples of some inclusions: left AFM image, right MFM for the same inclusions. The size of the inclusions was from 100 nm up to 700 nm. Magnetic contrast is typical for magnetization along the surface plane.

Image of FIG. 2.
FIG. 2.

(Color online) The AFM (left) and MFM (right) images of the E3 sample. Below the example of some inclusions: left AFM image, right MFM for the same inclusions. The size of the inclusions was from 100 nm up to 700 nm. Magnetic contrast is typical for magnetization normal to the surface plane.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Bright field image of cross-section of the HT-5 sample; (b) The HRTEM image of rectangular MnSb inclusion inside the GaSb matrix near surface of the HT-5 sample (electron beam is parallel to [1-2.0] direction of MnSb and [110] direction of GaSb); (c) zoomed part of the image (b) in frame showing detail of the “moiré” contrast; (d) SAD diffraction pattern of area marked in (b).

Image of FIG. 4.
FIG. 4.

The scanning electron image of the D26 sample with the 100 nm inclusions.

Image of FIG. 5.
FIG. 5.

Magnetization of HT5 sample as a function of magnetic field (a) and temperature (b).

Image of FIG. 6.
FIG. 6.

Magnetic moment of HT5 as a function of temperature, measured according to the protocol FC and ZFC.

Image of FIG. 7.
FIG. 7.

The magnetic hysteresis for the sample HT5 at the temperature T = 5K and T = 300K, the magnetic field was in the plane of sample surface (a), the measurements for the magnetic field aligned along and normal to the sample surface for the HT5 sample (b).

Image of FIG. 8.
FIG. 8.

The XMCD spectra for MnSb bulk layer grown on the GaAs (111)A substrate measured at two angles. The signal is considered here as characteristic for bulk material.

Image of FIG. 9.
FIG. 9.

The XMCD spectra measured at the angle of 30o for samples grown on GaSb(001) substrate HT5 and D26 (a) and for two areas of D26 sample (b).

Image of FIG. 10.
FIG. 10.

The XMCD spectra for sample E27 grown on GaAs(111)A substrate. The signal was observed only at angle close to 70o (line) and quickly went down at other angles (circle). This confirms that for this sample the inclusions with easy magnetization axis oriented close to the surface normal were formed.

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/content/aip/journal/jap/109/7/10.1063/1.3562171
2011-04-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic properties of MnSb inclusions formed in GaSb matrix directly during molecular beam epitaxial growth
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3562171
10.1063/1.3562171
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