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Structural phase transitions in sodium–potassium niobate solid solutions by neutron powder diffraction (1978)

Ahtee, M. ; Hewat, A. W.

[S.l.] : International Union of Crystallography (IUCr)

Acta crystallographica 34 (1978), S. 309-317

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ISSN: 1600-5724

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Chemistry and Pharmacology , Geosciences , Physics

Notes: The structures of (Na,K)NbO3 solid solutions have been determined by using the neutron powder-profile refinement technique: phases K and L at room temperature, and G and F at higher temperatures. In each case approximate values have been found for position parameters and temperature factors. The structural models proposed by Ahtee & Glazer [Acta Cryst. (1976), A32, 434-446] based on the lattice parameters and intensities of difference reflexions have been found to be substantially correct. Indications of vibrational modes have been found in the sequential phase transitions of Na0.90K0.10NbO3.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S056773947800056X

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