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Microstructure and crystal defects in ZnMgO pleated nanosheets
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) XRD pattern and (b) SEM image of ZnMgO pleated nanosheets. The inset of (a) shows a relatively perfect nanotube.

Image of FIG. 2.
FIG. 2.

TEM micrographs of the pleated nanosheet structures. (a) A low-magnification TEM image of a piece of nanosheet, (b) selected area ED pattern of a piece of nanosheet, (c) structure model of the nanosheet, and (d) high-magnification TEM image showing the dislocations’ core with extra atomic planes (the white arrows demonstrate the extra plane).

Image of FIG. 3.
FIG. 3.

(a) Fourier filtered HRTEM image of an end-on dislocation from the region marked by the rectangle in Fig. 2(d). The Burgers circuit with starting point 1 and end point 2 is displayed. The region of the additional half plane is marked by a white line. The incident orientation of the electron beam (projected direction of the TEM image) is marked by a black arrow. A crystal cell is illustrated in the upper-right corner of the image. (b) Illustration of Burgers vector AB.

Image of FIG. 4.
FIG. 4.

Raman spectra of the three samples with various Mg contents.

Image of FIG. 5.
FIG. 5.

PL spectra of the three samples with various Mg contents.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Microstructure and crystal defects in ZnMgO pleated nanosheets