DE2624406A1 - Verfahren zur herstellung eines monokristalls aus einem ferroelektrischen material - Google Patents

Verfahren zur herstellung eines monokristalls aus einem ferroelektrischen material

Info

Publication number
DE2624406A1
DE2624406A1 DE19762624406 DE2624406A DE2624406A1 DE 2624406 A1 DE2624406 A1 DE 2624406A1 DE 19762624406 DE19762624406 DE 19762624406 DE 2624406 A DE2624406 A DE 2624406A DE 2624406 A1 DE2624406 A1 DE 2624406A1
Authority
DE
Germany
Prior art keywords
crystal
bath
temperature
monocrystal
gradually
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.)
Ceased
Application number
DE19762624406
Other languages
German (de)
English (en)
Inventor
Jean-Yves Boniort
Yves Floury
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of DE2624406A1 publication Critical patent/DE2624406A1/de
Ceased 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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20—Controlling or regulating
    • C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Inorganic Insulating Materials (AREA)
DE19762624406 1975-06-06 1976-05-31 Verfahren zur herstellung eines monokristalls aus einem ferroelektrischen material Ceased DE2624406A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517758A FR2313778A1 (fr) 1975-06-06 1975-06-06 Procede d'elaboration d'un monocristal d'un materiau ferroelectrique

Publications (1)

Publication Number Publication Date
DE2624406A1 true DE2624406A1 (de) 1976-12-16

Family

ID=9156153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762624406 Ceased DE2624406A1 (de) 1975-06-06 1976-05-31 Verfahren zur herstellung eines monokristalls aus einem ferroelektrischen material

Country Status (8)

Country Link
JP (1) JPS51149597A (ja)
BE (1) BE841964A (ja)
DE (1) DE2624406A1 (ja)
FR (1) FR2313778A1 (ja)
GB (1) GB1506799A (ja)
IT (1) IT1076907B (ja)
NL (1) NL7605711A (ja)
SE (1) SE7606374L (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526449B1 (fr) * 1982-05-04 1985-07-05 Commissariat Energie Atomique Procede et dispositif de fabrication d'un monocristal, exempt de toute contrainte, d'un compose ferroelectrique a structure cristalline
KR100605125B1 (ko) * 2005-05-13 2006-07-28 재단법인서울대학교산학협력재단 혼과 타판 사이에 틈새 유동 차단기가 설치된 선박용 타장치

Also Published As

Publication number Publication date
BE841964A (fr) 1976-11-19
NL7605711A (nl) 1976-12-08
SE7606374L (sv) 1976-12-07
FR2313778A1 (fr) 1976-12-31
FR2313778B1 (ja) 1979-04-27
GB1506799A (en) 1978-04-12
JPS51149597A (en) 1976-12-22
IT1076907B (it) 1985-04-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection