Ultrafine ZnS nanowires have been grown successfully through thermal evaporation of zinc powder and sulfur powder at 580 and 90 deg C respectively. The nanowires are mainly in the range of 5-12 nm in diameter, and several microns in length. X-ray diffraction and high-resolution transmission electron microscope analysis shows that the ZnS nanowires are of wurtzite structure and have two different growth directions of [001] and [210]. The growth mechanism is discussed in detail.
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