GB1223236A - Crystal growing - Google Patents

Crystal growing

Info

Publication number
GB1223236A
GB1223236A GB31247/69A GB3124769A GB1223236A GB 1223236 A GB1223236 A GB 1223236A GB 31247/69 A GB31247/69 A GB 31247/69A GB 3124769 A GB3124769 A GB 3124769A GB 1223236 A GB1223236 A GB 1223236A
Authority
GB
United Kingdom
Prior art keywords
vessel
june
melt
melt mass
crystal growing
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
Application number
GB31247/69A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1223236A publication Critical patent/GB1223236A/en
Expired legal-status Critical Current

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
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • 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
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents
    • C30B9/04—Single-crystal growth from melt solutions using molten solvents by cooling of the solution
    • C30B9/08—Single-crystal growth from melt solutions using molten solvents by cooling of the solution using other solvents
    • C30B9/12—Salt solvents, e.g. flux growth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Compounds Of Iron (AREA)

Abstract

1,223,236. Ferrites. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 20 June, 1969 [25 June, 1968], No. 31247/69. Heading C1A. [Also in Divisions B1 and F4] Monocrystals, e.g. of Y 3 Fe 5 O 12 and PbFe 12 O 19 , are grown from an auxiliary melt mass in a device comprising a closed vessel 3 having an S-shaped pressure-relieving ventilation pipe 5, the vessel being rotatably arranged in a holder in an oven so as to be rotatable from outside. The vessel 3 may be a cylinder of Pt, of which the end caps 2 and 9 are welded in. The melt mass exemplified comprises PbO, PbF 2 , B 2 O 3 , CaO and Fe 2 O 3 . The malt is allowed to cool in the vessel (in one embodiment whilst there is a monocrystal of Y 3 Fe 5 O 12 secured to cap 9) and the vessel is inverted after the crystals have formed to free them from the melt.
GB31247/69A 1968-06-25 1969-06-20 Crystal growing Expired GB1223236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681769659 DE1769659B1 (en) 1968-06-25 1968-06-25 DEVICE FOR PROTECTING SINGLE CRYSTALS

Publications (1)

Publication Number Publication Date
GB1223236A true GB1223236A (en) 1971-02-24

Family

ID=5700222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31247/69A Expired GB1223236A (en) 1968-06-25 1969-06-20 Crystal growing

Country Status (7)

Country Link
JP (1) JPS55358B1 (en)
BE (1) BE735002A (en)
DE (1) DE1769659B1 (en)
FR (1) FR2011662A1 (en)
GB (1) GB1223236A (en)
NL (1) NL6909538A (en)
SE (1) SE350198B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4899083A (en) * 1972-02-23 1973-12-15

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037353B (en) * 1954-12-14 1958-08-21 Western Electric Co Process for the production of ferrite single crystals
GB952385A (en) * 1961-08-30 1964-03-18 Gen Electric Co Ltd Improvements in or relating to the manufacture of single crystals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4899083A (en) * 1972-02-23 1973-12-15
JPS5323779B2 (en) * 1972-02-23 1978-07-17

Also Published As

Publication number Publication date
DE1769659B1 (en) 1971-04-08
FR2011662A1 (en) 1970-03-06
JPS55358B1 (en) 1980-01-07
NL6909538A (en) 1969-12-30
SE350198B (en) 1972-10-23
BE735002A (en) 1969-12-23

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