Superstructure ordering in lanthanum-doped lead magnesium niobate

Superstructure reflections of lead magnesium niobate (PMN), Pb(Mg1/3Nb2/3)O3, were measured with synchrotron radiation x-ray diffraction. Our data conclusively demonstrate that the (h+12,k+12,l+12)-type reflections are the result of chemical ordering between the Mg and Nb ions in domains of 50 Å. St...

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Veröffentlicht in:	Journal of applied physics 2000-01, Vol.87 (2), p.840-848
Hauptverfasser:	Fanning, D. M., Robinson, I. K., Jung, S. T., Colla, E. V., Viehland, D. D., Payne, D. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY EXPERIMENTAL DATA LANTHANUM LEAD COMPOUNDS MAGNESIUM COMPOUNDS MATERIALS SCIENCE NIOBATES STRUCTURAL CHEMICAL ANALYSIS STRUCTURE FACTORS SYNCHROTRON RADIATION X-RAY DIFFRACTION
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