Ground state of the relaxor ferroelectric Pb(Zn1/3Nb2/3)O3

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DOI	Resolve DOI: https://doi.org/10.1103/PhysRevB.67.104102
Author	Search for: Xu, Guangyong; Search for: zhang, Z.; Search for: Bing, Y.; Search for: Ye, Z.-G.; Search for: Stock, C.; Search for: Shirane, G.
Format	Text, Article
Abstract	High energy x-ray diffraction measurements on Pb(Zn 1/3 Nb 2/3 )O 3 (PZN) single crystals show that the system does not have a rhombohedral symmetry at room temperature as previously believed. The phase (X) in the bulk of the crystal gives Bragg peaks similar to that of a nearly cubic lattice with a slight tetragonal distortion. The Bragg profile remains sharp with no evidence of size broadening due to the polar microcrystals. However, in our preliminary studies of the skin, we have found the expected rhombohedral (R) phase as a surface state. On the other hand, studies on an electric-field poled PZN single crystal clearly indicate a rhombohedral phase at room temperature.
Publication date	2003-03-17
In	Physical Review B 67, no. 10, 104102.
Language	English
Peer reviewed	Yes
NRC publication	This is a non-NRC publication "Non-NRC publications" are publications authored by NRC employees prior to their employment by NRC.
NPARC number	21277287
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Record identifier	02fcdb68-3dec-4482-8012-cf8f73247ca3
Record created	2016-02-04
Record modified	2020-06-04