The Anomalous Skin Effect in Single Crystal Relaxor Ferroelectric PZN-xPT and PMN-xPT

dc.creatorXu, Guangyong
dc.creatorGehring, P. M.
dc.creatorStock, C.
dc.creatorConlon, K.
dc.date2006-08-01
dc.date.accessioned2026-07-07T07:19:30Z
dc.date.available2026-07-07T07:19:30Z
dc.descriptionX-ray and neutron scattering studies of the lead-based family of perovskite relaxors PZN-$x$PT and PMN-$x$PT have documented a highly unusual situation in which the near-surface region of a single crystal can exhibit a structure that is different from that of the bulk when cooled to low temperatures. The near-surface region, or "skin" can also display critical behavior that is absent in the crystal interior, as well as a significantly different lattice spacing. By varying the incident photon energy, and thus the effective penetration depth, x-ray measurements indicate a skin thickness of order 10 $μ$m to 50 $μ$m for PZN-$x$PT samples with $0 \le x \le 8$%. Neutron residual stress measurements on a large PMN single crystal reveal a uniform lattice spacing within the bulk, but an increased strain near the surface. The presence of this skin effect has led to incorrect phase diagrams for both the PZN-$x$PT and PMN-$x$PT systems and erroneous characterizations of the nature of the relaxor state.
dc.descriptionReview Article
dc.identifierhttps://arxiv.org/abs/cond-mat/0608033
dc.identifierhttp://arxiv.org/abs/cond-mat/0608033
dc.identifierPhase Transitions 79, 135 (2006)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/114646
dc.subjectMaterials Science
dc.titleThe Anomalous Skin Effect in Single Crystal Relaxor Ferroelectric PZN-xPT and PMN-xPT
dc.typetext

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