Ordered structure in lead magnoniobate (PMN) by resonant X-ray scattering

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	Ordered structure in lead magnoniobate (PMN) by resonant X-ray scattering
	Gosula V.; Chen Haydn
	1996-12-01
Source Publication	Materials Research Society Symposium Proceedings
Volume	437 Pages:175-180
Abstract	Half integer superlattice reflections characteristic of ordered structure in PMN (Pb(MgNb)O) single crystal have been measured using resonant synchrotron x-ray scattering near the Pb L absorption edge. These superlattice peaks have been previously reported in PMN by electron diffraction, and were interpreted in the context of a two phase Nb/Mg ordering model to explain its relaxor ferroelectric behavior. Nevertheless, the microscopic origin of the superlattice peaks is controversial. Previous results have shown that the Nb atom contributes heavily to the superlattice peaks. However, the effective scattering factor for these peaks is significantly smaller than in the case of complete ordering. In addition, there is strong evidence that lead participates in the ordering.
URL	View the original
Language	英語English
Fulltext Access	View Full-Text via Scopus
Document Type	Journal article
Collection	University of Macau
Affiliation	University of Illinois at Urbana-Champaign
Recommended Citation GB/T 7714	Gosula V.,Chen Haydn. Ordered structure in lead magnoniobate (PMN) by resonant X-ray scattering[J]. Materials Research Society Symposium Proceedings, 1996, 437, 175-180.
APA	Gosula V.., & Chen Haydn (1996). Ordered structure in lead magnoniobate (PMN) by resonant X-ray scattering. Materials Research Society Symposium Proceedings, 437, 175-180.
MLA	Gosula V.,et al."Ordered structure in lead magnoniobate (PMN) by resonant X-ray scattering".Materials Research Society Symposium Proceedings 437(1996):175-180.

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