GB1203973A - Method of growing crystalline material - Google Patents
Method of growing crystalline materialInfo
- Publication number
- GB1203973A GB1203973A GB51783/67A GB5178367A GB1203973A GB 1203973 A GB1203973 A GB 1203973A GB 51783/67 A GB51783/67 A GB 51783/67A GB 5178367 A GB5178367 A GB 5178367A GB 1203973 A GB1203973 A GB 1203973A
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature difference
- mass
- crystals
- vessel
- pressure
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
- H01F41/28—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids by liquid phase epitaxy
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2675—Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets
-
- 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
- C30B29/28—Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
-
- 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
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
- H01F1/346—[(TO4) 3] with T= Si, Al, Fe, Ga
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/90—Apparatus characterized by composition or treatment thereof, e.g. surface finish, surface coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/901—Levitation, reduced gravity, microgravity, space
- Y10S117/902—Specified orientation, shape, crystallography, or size of seed or substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/918—Single-crystal waveguide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1096—Apparatus for crystallization from liquid or supercritical state including pressurized crystallization means [e.g., hydrothermal]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
1,203,973. Yttrium iron garnets. WESTERN ELECTRIC CO. Inc. 14 Nov., 1967 [15 Nov., 1966], No. 51783/67. Heading CIA. [Also in Divisions H1 and H4] Crystals of Y 3-x M<SP>1</SP> x Fe 5-y M<SP>11</SP> y O 12 garnet (where M<SP>1</SP> is a trivalent rare earth Nos. 57-71, M<SP>11</SP> is Ga and/or Al, x is 0-0À3, and y is 0-1.25) are grown by placing a seed crystal and a nutrient mass in a closed vessel in a 10-25 M solution of KOH in H 2 O or D 2 O, heating the solution to at least 350‹ C. while under a pressure exceeding the critical pressure, and maintaining a temperature difference between the seed and the mass of at least 5‹ C. The temperature is preferably 350-425‹ C., the pressure 8000-35000 psi, and the temperature difference 10-50‹ C. The seed crystal orientation may be (100), (211), (111) or (110). The nutrient mass may be a mixture of the oxides, which may be sintered, or crystals grown hydrothermally under maximum growth conditions. The vessel may be Pt lined and may be filled to 70-95% of its volume before heating. A baffle may be placed between the nutrient mass in the bottom of the vessel and the crystals suspended above, to maintain the temperature difference.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59461266A | 1966-11-15 | 1966-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1203973A true GB1203973A (en) | 1970-09-03 |
Family
ID=24379638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB51783/67A Expired GB1203973A (en) | 1966-11-15 | 1967-11-14 | Method of growing crystalline material |
Country Status (5)
Country | Link |
---|---|
US (1) | US3496108A (en) |
BE (1) | BE706521A (en) |
DE (1) | DE1644043B2 (en) |
GB (1) | GB1203973A (en) |
NL (1) | NL6711918A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3613056A (en) * | 1970-04-20 | 1971-10-12 | Bell Telephone Labor Inc | Magnetic devices utilizing garnet compositions |
US3873463A (en) * | 1972-02-23 | 1975-03-25 | Philips Corp | Method of and device for manufacturing substituted single crystals |
US4263374A (en) * | 1978-06-22 | 1981-04-21 | Rockwell International Corporation | Temperature-stabilized low-loss ferrite films |
US4579622A (en) * | 1983-10-17 | 1986-04-01 | At&T Bell Laboratories | Hydrothermal crystal growth processes |
KR920010085B1 (en) * | 1988-07-30 | 1992-11-14 | 소니 가부시기가이샤 | Production of fine particle of yttrium-aluminum-granet and fine particle of yttrium-aluminum-garnet phosphor |
JP3772933B2 (en) * | 1996-03-22 | 2006-05-10 | 株式会社村田製作所 | Method for producing magnetic garnet single crystal containing trivalent cerium |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938183A (en) * | 1956-11-09 | 1960-05-24 | Bell Telephone Labor Inc | Single crystal inductor core of magnetizable garnet |
US3156651A (en) * | 1962-03-28 | 1964-11-10 | Bell Telephone Labor Inc | Light transparent ferrimagnetic garnets |
-
1966
- 1966-11-15 US US594612A patent/US3496108A/en not_active Expired - Lifetime
-
1967
- 1967-08-30 NL NL6711918A patent/NL6711918A/xx unknown
- 1967-09-21 DE DE19671644043 patent/DE1644043B2/en not_active Withdrawn
- 1967-11-14 BE BE706521D patent/BE706521A/xx unknown
- 1967-11-14 GB GB51783/67A patent/GB1203973A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6711918A (en) | 1968-05-16 |
BE706521A (en) | 1968-03-18 |
DE1644043A1 (en) | 1970-09-24 |
DE1644043B2 (en) | 1971-03-11 |
US3496108A (en) | 1970-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |