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In Situ Observation of Zirconia Particles at 1200°C by High‐Resolution Electron Microscopy
Author(s) -
Kusunoki Michiko,
Yonemitsu Kyoko,
Sasaki Yukichi,
Kubo Yukio
Publication year - 1993
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1993.tb03674.x
Subject(s) - cubic zirconia , sintering , materials science , electron microscope , in situ , scanning electron microscope , lattice (music) , mineralogy , particle (ecology) , crystallography , composite material , optics , ceramic , chemistry , geology , acoustics , physics , oceanography , organic chemistry
Zirconia (ZrO 2 ) particles (average diameter, 30 nm) were observed in an in situ heating experiment up to 1200°C using a 400‐kV high‐resolution electron microscope. Thermal vibration of atoms on a (001) surface plane was observed at 1100°C. At 1200°C, grain growth and sintering phenomena were recorded on a videotape, showing (100) lattice planes migrating on a surface of a particle. Direct observation of the sintering process on a lattice level was accomplished for the first time.