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Ordered, uniform-sized ZnO nanolaser arrays
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10.1063/1.2805073
/content/aip/journal/apl/91/18/10.1063/1.2805073
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/18/10.1063/1.2805073
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of the self-organized PS spheres on a GaN substrate (a) and the enlarged view of monolayer region (b). The dashed circles mark the size imperfections of the PS spheres, which introduce point defects and stacking faults.

Image of FIG. 2.
FIG. 2.

(a) 45° side view SEM images of ordered ZnO nanorod arrays and (b) a close-packed hexagonal ordering of ZnO nanorod arrays grown from a bilayer area of PS spheres. The inset is a top view of the rod arrays.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Low temperature (10 and ) PL spectra of ZnO nanorod arrays in the UV region under the excitation of HeCd laser at . (b) Details of the exciton emission in the near band edge region at . The inset shows the measurement configuration.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Emission spectra from a single nanorod pumped by femtosecond laser pulses at . The pump power is varied from about . The sample temperature is . The inset illustrates the measurement configuration. (b) The intensities of the , , and lasing peaks from the single nanorod as a function of excitation power.

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/content/aip/journal/apl/91/18/10.1063/1.2805073
2007-10-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ordered, uniform-sized ZnO nanolaser arrays
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/18/10.1063/1.2805073
10.1063/1.2805073
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