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Effect of Thermal Gradients on Ionic Defects in Wustite
Author(s) -
HODGE J. D.,
BOWEN H. K.
Publication year - 1982
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.1151-2916.1982.tb10787.x
Subject(s) - wüstite , temperature gradient , ionic bonding , thermal , materials science , phase (matter) , potential gradient , thermoelectric effect , thermodynamics , analytical chemistry (journal) , chemistry , ion , metallurgy , magnetite , chromatography , physics , organic chemistry , quantum mechanics
The thermal gradient response of ionic defects in wustite was studied using two methods. The first involved measuring the decay of the thermoelectric voltage of a sample with time in a thermal gradient. The second involved measuring concentration gradients in samples which had been annealed in a thermal gradient for an extended amount of time. Both types of experiments gave results that could be predicted by assuming that the behavior of ionic defects in a thermal gradient is determined primarily by the local equilibrium of the sample with the gas phase.