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In this paper, vertically AlN nanocone arrays have been successfully fabricated at 550degC. They are all single crystals with a wurtzite structure and grow along [0001] orientation. These AlN nanocones are found to have good field emission behaviors, suggesting they could be excellent cathode nanomaterials in future.
In this work, the low temperature solution method was used to synthesize the ZnO nanorods. Its density can by tuned by simple adjusting the thickness of the seed layer. ZnO seed layers with stepwise increasing thickness were first deposited on the Si substrate by direct current sputtering. Field emission properties of the ZnO nanorods with different density were systematically measured and compared...
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