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Uniaxial tensile strain and exciton–phonon coupling in bent ZnO nanowires
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10.1063/1.3601479
/content/aip/journal/apl/98/24/10.1063/1.3601479
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3601479

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagrams show the bent ZnO NWs obtained by low energy milling. (b) and (c) represent the FESEM image of the ZnO NWs before and after bending.

Image of FIG. 2.
FIG. 2.

Room temperature PL spectrum of the ZnO NWs before and after bending. The inset shows the close-up image of the PL spectrum in the high energy region.

Image of FIG. 3.
FIG. 3.

Comparative PL spectrum of the ZnO NWs before and after bending at various temperatures. All the cures are shifted vertically for better comparison.

Image of FIG. 4.
FIG. 4.

(a) Temperature dependent peak position of the ZnO NWs before and after bending. Inset shows the creation of dangling bonds at the outer surface of the bent NW. [(b) and (c)] The PL spectrum at 160 K for the two samples fitted with multi-Lorentzian function. The area from the contribution of FX-1LO is filled.

Tables

Generic image for table
Table I.

Parameters obtained from MW fitting for the two samples.

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/content/aip/journal/apl/98/24/10.1063/1.3601479
2011-06-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Uniaxial tensile strain and exciton–phonon coupling in bent ZnO nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3601479
10.1063/1.3601479
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