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

Title
A study on the growth behavior of nano NiO crystals synthesized by a solid state reaction
Authors
김창삼정덕수강승민
Keywords
NiO; nano crystals; solid state reaction; truncation; grain growth
Issue Date
2009-09
Publisher
韓國結晶成長學會誌; Journal of Korean Association of Crystal Growth
Citation
VOL 19, NO 4, 184-189
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 ocrahedral shape and the length of 200-500nm. 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 firs stage in the sintering mechanism.
URI
http://pubs.kist.re.kr/handle/201004/35867
ISSN
1225-1429
Appears in Collections:
KIST Publication > Article
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