RU2014105877A - METHOD FOR FORMING A BIDOMAIN STRUCTURE IN PLATES OF FERROELECTRICIAN SINGLE CRYSTALS - Google Patents
METHOD FOR FORMING A BIDOMAIN STRUCTURE IN PLATES OF FERROELECTRICIAN SINGLE CRYSTALS Download PDFInfo
- Publication number
- RU2014105877A RU2014105877A RU2014105877/05A RU2014105877A RU2014105877A RU 2014105877 A RU2014105877 A RU 2014105877A RU 2014105877/05 A RU2014105877/05 A RU 2014105877/05A RU 2014105877 A RU2014105877 A RU 2014105877A RU 2014105877 A RU2014105877 A RU 2014105877A
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- RU
- Russia
- Prior art keywords
- ferroelectric
- single crystal
- plate
- light
- bidomain
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Classifications
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/02—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-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
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/30—Niobates; Vanadates; Tantalates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
1. Способ формирования бидоменной структуры в пластинах монокристаллов сегнетоэлектриков, заключающийся в образовании в пластине монокристалла сегнетоэлектрика двух монодоменных областей с противоположным направлением векторов поляризации доменов и бидоменной границей, который включает бесконтактное размещение пластины монокристалла сегнетоэлектрика с плоскопараллельными гранями в бескислородной среде рабочего пространства камеры установки фотонного отжига между двумя светопоглощающими экранами, при этом большие грани пластины монокристалла сегнетоэлектрика расположены параллельно продольным осям светопоглощающих экранов, последующее формирование в камере установки фотонного отжига двух встречных параллельных световых потоков, направленных перпендикулярно большим граням пластины монокристалла сегнетоэлектрика и продольным осям светопоглощающих экранов, причем мощность каждого светового потока задают из условий обеспечения полного прогрева пластины монокристалла сегнетоэлектрика в диапазоне температур не менее температуры Кюри и не более температуры плавления сегнетоэлектрика, дальнейший прогрев пластины монокристалла сегнетоэлектрика при заданных условиях и ее охлаждение.2. Способ по п.1, в котором пластину монокристалла сегнетоэлектрика охлаждают с заданным градиентом температуры, меняющейся от минимального значения на противоположных больших гранях пластины монокристалла сегнетоэлектрика до максимального значения в области формирования бидоменной границы, например, с градиентом температуры 10°C/ мм.3. Способ по п.1, в котором пластину монокристалла сегнетоэлектрика охлажд1. The method of forming a bidomain structure in the plates of single crystals of ferroelectrics, which consists in the formation in the plate of a single crystal of a ferroelectric two mono-domain regions with the opposite direction of the polarization vectors of the domains and the bidomena boundary, which includes the non-contact placement of the plate of a single crystal of a ferroelectric with plane-parallel faces in an oxygen-free workspace setup between two light-absorbing screens, while large faces face In this case, the ferroelectric single crystal is parallel to the longitudinal axes of the light-absorbing screens, the subsequent formation of two counterpropagating parallel light fluxes directed perpendicularly to the large faces of the ferroelectric single-crystal plate and the longitudinal axes of the light-absorbing screens in the photon annealing chamber, and the power of each light flux is set from the conditions for ensuring full heating of the single crystal wafer of the single crystal in temperature range not less than Curie temperature and not more than tempera melting tours of a ferroelectric, further heating of the plate of a single crystal of a ferroelectric under given conditions and its cooling. 2. The method according to claim 1, wherein the ferroelectric single crystal plate is cooled with a predetermined temperature gradient, varying from a minimum value on opposite large faces of the ferroelectric single crystal plate to a maximum value in the region of formation of the bidomain boundary, for example, with a temperature gradient of 10 ° C / mm. The method according to claim 1, in which the plate of a single crystal of a ferroelectric cooling
Claims (7)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU2013/001115 WO2015088371A1 (en) | 2013-12-12 | 2013-12-12 | Method of synthesizing a bi-domain structure in ferroelectric single crystal wafers |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2014105877A true RU2014105877A (en) | 2015-08-27 |
RU2566142C2 RU2566142C2 (en) | 2015-10-20 |
Family
ID=53371540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2014105877/05A RU2566142C2 (en) | 2013-12-12 | 2013-12-12 | Method of forming bidomain structure in ferrielectric monocrystal plates |
Country Status (3)
Country | Link |
---|---|
EA (1) | EA032620B1 (en) |
RU (1) | RU2566142C2 (en) |
WO (1) | WO2015088371A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110670134B (en) * | 2019-09-20 | 2021-04-23 | 南开大学 | Preparation method of p-type and n-type conductive lithium niobate nanowires |
RU196011U1 (en) * | 2019-12-13 | 2020-02-13 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Three-axis positioning device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5756263A (en) * | 1995-05-30 | 1998-05-26 | Eastman Kodak Company | Method of inverting ferroelectric domains by application of controlled electric field |
WO2009015474A1 (en) * | 2007-07-31 | 2009-02-05 | Ye Hu | Method of ferroelectronic domain inversion and its applications |
RU2492283C2 (en) * | 2011-12-08 | 2013-09-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Method for formation of bidomain structure in single-crystal plates |
-
2013
- 2013-12-12 RU RU2014105877/05A patent/RU2566142C2/en active
- 2013-12-12 WO PCT/RU2013/001115 patent/WO2015088371A1/en active Application Filing
- 2013-12-12 EA EA201600460A patent/EA032620B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2566142C2 (en) | 2015-10-20 |
EA032620B1 (en) | 2019-06-28 |
EA201600460A1 (en) | 2017-01-30 |
WO2015088371A1 (en) | 2015-06-18 |
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