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Homoepitaxial Growth and Optical Properties of ZnO Polar Nanoleaves
Local Homoepitaxial Growth and Optical Properties of ZnO Polar Nanoleaves

Keywords: 81,05,Dz,81,07,Vb,81,15,Gh
极性纳米材料
,光学特征,氧化锌,均相外延生长

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Abstract:

Using a mixture of ZnO and Te powders as the source material, ZnO nanoleaves with high yield and uniform morphology are fabricated by thermal evaporation. Each nanoleaf is constructed with a nanowire and a nanodisc on one side of the nanowire near the top. The polygonal nanodisc is in symmetricdistribution in relation to the nanowires and has polar planes ±(0001) as surfaces. A local homoepitaxial growth mechanism of ZnO polar nanodiscs induced by Te is proposed. With thin nanodiscs, the ZnO nanoleaves could be used in nanolasers, sensors, and photoelectronic nanodevices. Room-temperature photoluminescence result implies good crystalline quality of the ZnO nanoleaves.

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