Phatak, S. D. ; Srivastava, R. C. ; Subbarao, E. C. (1972) Elastic constants of orthorhombic KNbO3 by X-ray diffuse scattering Acta Crystallographica - Section A: Crystal Physics, Diffraction, Theoretical and General Crystallography, 28 . pp. 227-231. ISSN 0567-7394
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Official URL: http://journals.iucr.org/a/issues/1972/03/00/a0866...
Related URL: http://dx.doi.org/10.1107/S0567739472000622
Abstract
All nine elastic constants of orthorhombic potassium niobate (space group Bmm2) have been determined at room temperature from a diffractometric study of 006, 040 and 600 diffuse reflexions. The values of the elastic constants in units of 1012 dynes.cm-2 are: C11 = 0.354, C22 = 0.516, C33= 0.632, C44 = 3.558, C55 = 3.651, C66 = 2.069, C12 = -1.058, C23 = -1.914, C13 = -2.027. Equiscattering contours and K surfaces have been calculated using these values of the elastic constants.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to International Union of Crystallography. |
| ID Code: | 76312 |
| Deposited On: | 31 Dec 2011 12:23 |
| Last Modified: | 31 Dec 2011 12:23 |
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