Phase transitions of CdS microcrystals under high pressure

The experiment under high pressure using a diamond anvil cell (DAC) requires the utilization of synchrotron radiation. High‐pressure experiments were performed using a DAC on CdS microcrystals, both in the far‐IR and in the X‐ray regions, in order to study the lattice dynamics and lattice stability...

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Bibliographic Details
Published in:Journal of synchrotron radiation 1998-05, Vol.5 (3), p.1016-1019
Main Authors: Nanba, T., Muneyasu, M., Hiraoka, N., Kaga, S., Williams, G. P., Shimomura, O., Adachi, T.
Format: Article
Language:English
Subjects:
CdS microcrystal
far-IR transmission
high-pressure experiments
phase transitions
X-ray powder diffraction
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Summary:The experiment under high pressure using a diamond anvil cell (DAC) requires the utilization of synchrotron radiation. High‐pressure experiments were performed using a DAC on CdS microcrystals, both in the far‐IR and in the X‐ray regions, in order to study the lattice dynamics and lattice stability concerned with the phase transitions. From these experiments, experimental evidence is presented indicating that a CdS microcrystal of smaller diameter shows a higher transition pressure for lattice transformation under pressure. The origin of such an increase in the transition pressure in the microcrystals is discussed in relation to the surface tension.
ISSN:1600-5775
0909-0495
1600-5775
DOI:10.1107/S0909049597016002