Critical scattering of synchrotron radiation in lead zirconate-titanate with low titanium concentrations

被引：6

作者：

Andronikova, D. A. ^{[1
,2
,3
]}

Bosak, A. A. ^{[4
]}

Bronwald, Iu. A. ^{[2
,3
]}

Burkovsky, R. G. ^{[2
,4
]}

Vakhrushev, S. B. ^{[2
,5
]}

Leontiev, N. G. ^{[6
]}

Leontiev, I. N. ^{[7
]}

Tagantsev, A. K. ^{[2
,8
]}

Filimonov, A. V. ^{[3
]}

Chernyshov, D. Yu. ^{[2
,9
]}

机构：

[1] Ioffe Inst, St Petersburg 194021, Russia

[2] Ioffe Inst, St Petersburg 194021, Russia

[3] Peter Great St Petersburg Polytech Univ, St Petersburg 195251, Russia

[4] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[5] St Petersburg State Univ, St Petersburg 199034, Russia

[6] Don State Agr Univ, Azov Black Sea Engn Inst, Zernograd 347740, Rostov Oblast, Russia

[7] Southern Fed Univ, Rostov Na Donu 344006, Russia

[8] Ecole Polytech Fed Lausanne, Swiss Fed Inst Technol, Ceram Lab, CH-1015 Lausanne, Switzerland

[9] ESRF, Swiss Norwegian Beam Lines, F-38043 Grenoble, France

来源：

PHYSICS OF THE SOLID STATE | 2015年 / 57卷 / 12期

基金：

俄罗斯基础研究基金会;

关键词：

PHASE-TRANSITIONS; FERROELECTRIC PHASE; DIFFUSE-SCATTERING; PBZRO3; DIFFRACTION; DISORDER;

D O I：

10.1134/S1063783415120045

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Diffuse scattering in the lead zirconate-titanate single crystal with a titanium concentration of 0.7 at % has been studied by the synchrotron radiation scattering method. Measurements have been performed both in the vicinity of the Brillouin zone center and at the M-point. Highly anisotropic diffuse scattering has been revealed in the paraelectric phase near the Brillouin zone center; diffuse scattering anisotropy is similar to that previously observed in pure lead zirconate. The temperature dependence of this diffuse scattering obeys a critical law with T (c) a parts per thousand 480 K. Diffuse scattering in the vicinity of the M-point weakly depends on temperature; this dependence behaves differently at M-points with various indices.

引用

页码：2441 / 2446

页数：6

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