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(a) XRD pattern, (b) Low-magnification SEM image, the inset shows the high-magnification SEM image, (c) TEM and (d) High-resolution TEM of the ZnS/ZnO biaxial nanobelt system.
Light-light curves of ZnS/ZnO biaxial nanobelt heterostructures at different emission wavelength. The inset shows the corresponding emission spectra at different excitation power.
Emission spectra of the ZnS/ZnO biaxial nanobelt observed at different elevation angle, . The inset shows the relation between and for the cluster of ZnS/ZnO biaxial nanobelt.
(a) Plot of FT of the lasing spectra of the randomly assembled ZnS/ZnO biaxial nanobelt centered at 483, 383, 332, and 355 nm. The arrow indicates the cavity length of the fundamental closed-loop cavity modes. (b) The variation in cavity length vs the pumping intensity of different emission wavelength.
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