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1. WO2016015462 - TETRAGONAL PYROELECTRIC RELAXOR FERROELECTRIC SINGLE CRYSTAL MATERIAL AND PREPARATION METHOD THEREFOR

Publication Number WO/2016/015462
Publication Date 04.02.2016
International Application No. PCT/CN2015/071791
International Filing Date 29.01.2015
IPC
C30B 29/22 2006.01
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
C30B 11/00 2006.01
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
11Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
C30B 29/32 2006.01
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
32Titanates; Germanates; Molybdates; Tungstates
CPC
C30B 29/30
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL-GROWTH
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
30Niobates; Vanadates; Tantalates
C30B 29/32
CCHEMISTRY; METALLURGY
30CRYSTAL GROWTH
BSINGLE-CRYSTAL-GROWTH
29Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
10Inorganic compounds or compositions
16Oxides
22Complex oxides
32Titanates; Germanates; Molybdates; Tungstates
H01L 37/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
37Thermoelectric devices without a junction of dissimilar materials; Thermomagnetic devices, e.g. using Nernst-Ettinghausen effect; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
02using thermal change of dielectric constant, e.g. working above and below Curie point ; , e.g. pyroelectric devices
Applicants
  • 上海硅酸盐研究所中试基地 RESEARCH AND DEVELOPMENT CENTER, SHANGHAI INSTITUTE OF CERAMICS [CN]/[CN]
  • 中国科学院上海硅酸盐研究所 SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADEMY OF SCIENCES [CN]/[CN]
Inventors
  • 罗豪甦 LUO, Haosu
  • 李龙 LI, Long
  • 赵祥永 ZHAO, Xiangyong
  • 王升 WANG, Sheng
  • 许晴 XU, Qing
  • 杨林荣 YANG, Linrong
Agents
  • 上海翰鸿律师事务所 HANHONG LAW FIRM
Priority Data
PCT/CN2014/08319329.07.2014CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) TETRAGONAL PYROELECTRIC RELAXOR FERROELECTRIC SINGLE CRYSTAL MATERIAL AND PREPARATION METHOD THEREFOR
(FR) MATÉRIAU MONOCRISTALLIN TÉTRAGONAL RELAXEUR FERROÉLECTRIQUE-PYROÉLECTRIQUE ET SON PROCÉDÉ DE PRÉPARATION
(ZH) 一种四方相热释电弛豫铁电单晶材料及其制备方法
Abstract
(EN)
Provided is an Mn doped (1-x-y)Pb(In1/2Nb1/2)O3-yPb(Mg1/3Nb2/3)O3-xPbTiO3 prepared by an improved Bridgman method, in which 0.20≤1-x-y≤0.29, 0.30≤y≤0.45, and 0.35≤x≤0.42, and the Curie temperature of which is greatly enhanced compared with that of an Mn doped relaxation ferroelectric single crystal (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3.
(FR)
L'invention concerne un (1-x-y)Pb(In1/2Nb1/2)O3-yPb(Mg1/3Nb2/3)O3-xPbTiO3 dopé au Mn et préparé par un procédé Bridgman amélioré, formule dans laquelle 0,20 ≤ 1-x-y ≤ 0,29, 0,30 ≤ y ≤ 0,45 et 0,35 ≤ x ≤ 0,42, et composé dont la température de Curie est considérablement améliorée par comparaison avec celle d'un monocristal relaxeur ferroélectrique dopé au Mn de formule (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3.
(ZH)
提供一种采用改进的Bridgman法制备的Mn掺杂(1-x-y)Pb(In 1/2Nb 1/2)O 3-yPb(Mg 1/3Nb 2/3)O 3–xPbTiO 3,其中0.20≤1-x-y≤0.29、0.30≤y≤0.45、0.35≤x≤0.42,其相较Mn掺杂弛豫铁电单晶(1-x)Pb(Mg 1/3Nb 2/3)O 3–xPbTiO 3居里温度大大提高。
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