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Elastic properties of the pseudocubic perovskite (CsCd(NO2)3

✍ Scribed by Prof. Dr. S. Haussühl

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
292 KB
Volume
29
Category
Article
ISSN
0232-1300

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✦ Synopsis

Elastic Properties of the Pseudocubic Perovskite (CsCd(NO*), Multidomain crystals of CsCd(NO,), grown from aqueous solutions at about 310 K exhibit a quasi-cubic symmetry in their thermal expansion, elastic and thermoelastic properties. The elastic constants of the low-temperature multidomain state resemble the behaviour of stable cubic perovskites almost quantitatively. This suggests that the trigonal low-temperature phase of CsCd(NO,), possesses a quasi-cubic symmetry. The transition from the trigonal low-temperature phase into the cubic high-temperature phase at about 464 K is accompanied by a small deformation of about and a lambda-type variation of the thermal expansion.

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