A study on the growth behavior of nano NiO crystals synthesized by a solid state reaction (고상반응에 의한 NiO 나노 결정의 성장거동에 관한 연구)

Chang-Sam Kim (김창삼); Seung-min Kang (강승민); 정덕수

A study on the growth behavior of nano NiO crystals synthesized by a solid state reaction

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2009, 19(4), pp.184~189
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

Chang-Sam Kim ¹, Seung-min Kang ², 정덕수 ³

¹한국과학기술연구원
²한서대학교
³단국대학교

Accredited

ABSTRACT

We characterized the growth behavior of nano NiO crystals synthesized by heat-treatment in air at the elevated temperatures using nickel nitrate (Ni(NO3)2·6H2O). The crystals had the octahedral shape and the length of 200~500 nm. The truncation was observed when the NiO powder was heated up to 900℃for 2 hours. but not be seen at under 600℃It was observed that nano NiO crystals synthesized at 900℃made up the networks, the coalescence of the nano crystals through the neck formation between the crystals appeared as the first stage in the sintering mechanism.

KEYWORDS

NiO, Nano crystals, Solid state reaction, Truncation, Growth behavior

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