DE3887316T2 - VERFAHREN ZUR REINIGUNG VON (Nb1-xTax)2O5 UND DIE HERSTELLUNG VON KNb1-xTaxO3-KRISTALLEN. - Google Patents
VERFAHREN ZUR REINIGUNG VON (Nb1-xTax)2O5 UND DIE HERSTELLUNG VON KNb1-xTaxO3-KRISTALLEN.Info
- Publication number
- DE3887316T2 DE3887316T2 DE3887316T DE3887316T DE3887316T2 DE 3887316 T2 DE3887316 T2 DE 3887316T2 DE 3887316 T DE3887316 T DE 3887316T DE 3887316 T DE3887316 T DE 3887316T DE 3887316 T2 DE3887316 T2 DE 3887316T2
- Authority
- DE
- Germany
- Prior art keywords
- xtaxo3
- knb1
- xtax
- purifying
- crystals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
- C01G35/006—Compounds containing, besides tantalum, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8980887A | 1987-08-27 | 1987-08-27 | |
PCT/US1988/002371 WO1989001914A1 (en) | 1987-08-27 | 1988-07-18 | PROCESS FOR PURIFYING (Nb1-xTax)2O5 AND THE PREPARATION OF KNb1-xTaxO3-CRYSTALS THEREFROM |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3887316D1 DE3887316D1 (de) | 1994-03-03 |
DE3887316T2 true DE3887316T2 (de) | 1994-06-09 |
Family
ID=22219674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3887316T Expired - Fee Related DE3887316T2 (de) | 1987-08-27 | 1988-07-18 | VERFAHREN ZUR REINIGUNG VON (Nb1-xTax)2O5 UND DIE HERSTELLUNG VON KNb1-xTaxO3-KRISTALLEN. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0330698B1 (de) |
JP (1) | JPH02501217A (de) |
DE (1) | DE3887316T2 (de) |
IL (1) | IL87214A (de) |
WO (1) | WO1989001914A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3346344A (en) * | 1965-07-12 | 1967-10-10 | Bell Telephone Labor Inc | Growth of lithium niobate crystals |
US4164417A (en) * | 1978-04-28 | 1979-08-14 | Kawecki Berylco Industries, Inc. | Process for recovery of niobium values for use in preparing niobium alloy products |
JPS5815032A (ja) * | 1981-07-17 | 1983-01-28 | Toshiba Corp | 五酸化タンタルの製造装置 |
JPS62241824A (ja) * | 1986-04-10 | 1987-10-22 | Sumitomo Chem Co Ltd | タンタルとニオブの分離精製方法 |
US4741894A (en) * | 1986-06-03 | 1988-05-03 | Morton Thiokol, Inc. | Method of producing halide-free metal and hydroxides |
-
1988
- 1988-07-18 JP JP63507398A patent/JPH02501217A/ja active Pending
- 1988-07-18 EP EP88908036A patent/EP0330698B1/de not_active Expired - Lifetime
- 1988-07-18 WO PCT/US1988/002371 patent/WO1989001914A1/en active IP Right Grant
- 1988-07-18 DE DE3887316T patent/DE3887316T2/de not_active Expired - Fee Related
- 1988-07-26 IL IL87214A patent/IL87214A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0330698B1 (de) | 1994-01-19 |
EP0330698A1 (de) | 1989-09-06 |
IL87214A0 (en) | 1988-12-30 |
IL87214A (en) | 1992-11-15 |
WO1989001914A1 (en) | 1989-03-09 |
DE3887316D1 (de) | 1994-03-03 |
JPH02501217A (ja) | 1990-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |