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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 9
BKCSDE 26(9)
September 20, 2005

Title	Growth of Nano- and Microstructured Indium Nitride Crystals by the Reaction of Indium Oxide with Ammonia
Author	Woo-Sik Jung*, Choon Sup Ra, Bong-Ki Min
Keywords	Indium nitride, Indium oxide, Nanowires, Growth mechanism, VS mechanism
Abstract	Nano- and microstructured indium nitride crystals were synthesized by the reaction of indium oxide (In₂O₃) powder and its pellet with ammonia in the temperature range 580-700 ^oC. The degree of nitridation of In₂O₃ to InN was very sensitive to the nitridation temperature. The formation of zero- to three-dimensional structured InN crystals demonstrated that In₂O₃ is nitridated to InN via two dominant parallel routes (solid (In₂O₃)-to-solid (InN) and gas (In₂O)-to-solid (InN)). The growth of InN crystals with such various morphologies was explained by the vapor-solid (VS) mechanism where the degree of supersaturation of In vapor determines the growth morphology and the vapor was mainly by the reaction of In₂O with ammonia and partially by sublimation of solid InN. The pellet method was proven to be useful to obtain homogeneous InN nanowires.
Page	1354 - 0
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