DE3464065D1 - Process for making bismuth-germanate single crystals with a high scintillation efficiency - Google Patents
Process for making bismuth-germanate single crystals with a high scintillation efficiencyInfo
- Publication number
- DE3464065D1 DE3464065D1 DE8484401420T DE3464065T DE3464065D1 DE 3464065 D1 DE3464065 D1 DE 3464065D1 DE 8484401420 T DE8484401420 T DE 8484401420T DE 3464065 T DE3464065 T DE 3464065T DE 3464065 D1 DE3464065 D1 DE 3464065D1
- Authority
- DE
- Germany
- Prior art keywords
- single crystals
- scintillation efficiency
- high scintillation
- making bismuth
- germanate single
- 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
-
- 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
- C30B15/10—Crucibles or containers for supporting the melt
-
- 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
-
- 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
- C30B29/32—Titanates; Germanates; Molybdates; Tungstates
-
- 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
- Y10S117/906—Special atmosphere other than vacuum or inert
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8311349A FR2548689B1 (fr) | 1983-07-07 | 1983-07-07 | Procede de fabrication de monocristaux de germanate de bismuth a fort rendement de scintillation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3464065D1 true DE3464065D1 (en) | 1987-07-09 |
Family
ID=9290620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484401420T Expired DE3464065D1 (en) | 1983-07-07 | 1984-07-04 | Process for making bismuth-germanate single crystals with a high scintillation efficiency |
Country Status (5)
Country | Link |
---|---|
US (1) | US4664744A (de) |
EP (1) | EP0133084B1 (de) |
JP (1) | JPS6051694A (de) |
DE (1) | DE3464065D1 (de) |
FR (1) | FR2548689B1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8402575A (nl) * | 1984-08-23 | 1986-03-17 | Philips Nv | Werkwijze voor de vervaardiging van bismuthgermanaatkristallen. |
JPH0718955B2 (ja) * | 1986-03-25 | 1995-03-06 | 化成オプトニクス株式会社 | 増感紙 |
JP2651481B2 (ja) * | 1987-09-21 | 1997-09-10 | 株式会社 半導体エネルギー研究所 | 超伝導材料の作製方法 |
JPH085749B2 (ja) * | 1989-03-30 | 1996-01-24 | 日本碍子株式会社 | 旋光性単結晶およびその製造方法 |
US6624420B1 (en) * | 1999-02-18 | 2003-09-23 | University Of Central Florida | Lutetium yttrium orthosilicate single crystal scintillator detector |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056304A (en) * | 1975-03-06 | 1977-11-01 | Rca Corporation | Light modulation employing single crystal optical waveguides of niobium-doped lithium tantalate |
CH613129A5 (de) * | 1975-06-11 | 1979-09-14 | Prolizenz Ag | |
JPS5340200A (en) * | 1976-09-24 | 1978-04-12 | Japan Atom Energy Res Inst | Continuous solidifying method and apparatus for radioactive waste |
DE2901669C2 (de) * | 1979-01-17 | 1981-06-25 | Siemens AG, 1000 Berlin und 8000 München | Bi↓2↓Ge↓3↓O↓9↓-Einkristall, insbesondere zur Verwendung als Röntgen-Spektrometerkristall und fotoakustischer Ablenker |
GB2047113B (en) * | 1979-04-12 | 1983-08-03 | Union Carbide Corp | Method for producing gadolinium gallium garnet |
JPS5933560B2 (ja) * | 1981-01-23 | 1984-08-16 | 日立化成工業株式会社 | Bi↓4Ge↓3O↓1↓2単結晶の製造方法 |
US4444728A (en) * | 1982-01-21 | 1984-04-24 | Engelhard Corporation | Iridium-rhenium crucible |
-
1983
- 1983-07-07 FR FR8311349A patent/FR2548689B1/fr not_active Expired
-
1984
- 1984-06-25 US US06/624,011 patent/US4664744A/en not_active Expired - Fee Related
- 1984-07-04 DE DE8484401420T patent/DE3464065D1/de not_active Expired
- 1984-07-04 EP EP84401420A patent/EP0133084B1/de not_active Expired
- 1984-07-05 JP JP59140408A patent/JPS6051694A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4664744A (en) | 1987-05-12 |
EP0133084B1 (de) | 1987-06-03 |
FR2548689A1 (fr) | 1985-01-11 |
EP0133084A1 (de) | 1985-02-13 |
JPS6051694A (ja) | 1985-03-23 |
FR2548689B1 (fr) | 1985-11-08 |
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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 |