KR890013813A - 고 tc 산화물계 초전도체 및 그 제조방법 - Google Patents

고 tc 산화물계 초전도체 및 그 제조방법 Download PDF

Info

Publication number
KR890013813A
KR890013813A KR1019890002173A KR890002173A KR890013813A KR 890013813 A KR890013813 A KR 890013813A KR 1019890002173 A KR1019890002173 A KR 1019890002173A KR 890002173 A KR890002173 A KR 890002173A KR 890013813 A KR890013813 A KR 890013813A
Authority
KR
South Korea
Prior art keywords
superconductor
mixture
composition
calcination
sintering
Prior art date
Application number
KR1019890002173A
Other languages
English (en)
Other versions
KR920000285B1 (ko
Inventor
유다까 야미다
사또루 무라세
Original Assignee
아오이 죠이찌
가부시끼가이샤 도시바
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12556287&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR890013813(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 아오이 죠이찌, 가부시끼가이샤 도시바 filed Critical 아오이 죠이찌
Publication of KR890013813A publication Critical patent/KR890013813A/ko
Application granted granted Critical
Publication of KR920000285B1 publication Critical patent/KR920000285B1/ko

Links

Classifications

    • 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
    • C04B35/45—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 copper oxide or solid solutions thereof with other oxides
    • C04B35/4521—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 copper oxide or solid solutions thereof with other oxides containing bismuth oxide
    • 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
    • C04B35/45—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 copper oxide or solid solutions thereof with other oxides
    • C04B35/4521—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 copper oxide or solid solutions thereof with other oxides containing bismuth oxide
    • C04B35/4525—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 copper oxide or solid solutions thereof with other oxides containing bismuth oxide also containing lead oxide
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
    • H10N60/0296—Processes for depositing or forming copper oxide superconductor layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/80—Constructional details
    • H10N60/85—Superconducting active materials
    • H10N60/855—Ceramic superconductors
    • H10N60/857—Ceramic superconductors comprising copper oxide
    • 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
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/775—High tc, above 30 k, superconducting material
    • Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
    • Y10S505/782—Bismuth-, e.g. BiCaSrCuO

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

내용 없음.

Description

고 TC 산화물계 초전도체 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제3도는 본 발명에 따른 조천도체의 비저항과 온도간의 관계를 나타내는 그래프.

Claims (18)

  1. Bi.Sr,Ca.Cu.O 및 Pb 와 Al 중 적어도 하나를 포함하는 것을 특징으로 하는 산화물계 초전도체.
  2. 제1항에 있어서, Pb 와 Al 중 적어도 하나와 Bi와의 조성비가 5 : 95 내지 85 : 15의 범위내에 있는 것을 특징으로 하는 초전도체.
  3. 제1항에 있어서, 식(Bipb)2SrxCa2Cu3OY,X=0.5 내지 5인 조성물을 포함하는 것을 특징으로하는 초전도체.
  4. 제1항에 있어서, 식(Bipb)2Sr2CaxCu3OY,X=1 내지 3.5인 조성물을 포함하는 것을 특징으로하는 초전도체.
  5. 제1항에 있어서, 식 (Bipb)2Sr2Ca2CuxOY,X=1.5 내지 4.5인 조성물을 포함하는 것을 특징으로 하는 초전도체.
  6. 제1항에 있어서, 하기 식들중 적어도 하나의 조성물을 포함하는 것을 특징으로 하는 초전도체.
  7. 적정량의 Bi2O3, SrCo3, CaCo3, CuO 및 pbo와 Al2O3중 적어도 하나를 혼합하여 혼합물을 얻고 ; 혼합물을 하소하고 ; 하소된 혼합물을 분쇄하고 냉간 프레싱하고 ; 및 프레싱된 혼합물을 소결하는 단계들로 이루어진 것을 특징으로 하는 산화물계 초전도체의 제조방법.
  8. 제7항에 있어서, 하소 및 소결이 공기중에서 실시되는 것을 특징으로 하는 제조방법.
  9. 제7항에 있어서, 하소 및 소결이 대략 750℃ 내지 900℃의 온도에서 실시되는 것을 특징으로 하는 제조방법.
  10. 제9항에 있어서, 하소 및 소결이 대략 820℃ 내지 870℃의 온도에서 실시되는 것을 특징으로 하는 제조방법.
  11. 제7항에 있어서, 소결이 대략 1/5 내지 1/100이 산소 분압에서 실시되는 것을 특징으로 하는 제조방법.
  12. 제7항에 있어서, 초전도체는 하기 식들중 적어도 하나의 조성물을 포함하는 것을 특징으로 하는 산화물계 초전도체의 제조방법.
    여기서, a=1 내지 5.0 ; b=1 내지 3.5 ; c=1 내지 4.5 ; 및 X=0.05내지 0.85
  13. 적정량의 Bi2O3, SrCO3, CaCo3, Cuo 및 Pbo와 Al2O3중 적어도 하나를 혼합하여 혼합물을 얻고 ; 혼합물을 하소하고 ; 하소된 혼합물을 용융시켜 물질을 얻고 ; 및 용융된 물질의 용융점 이하의 온도에서 용융물질을 어닐링하는 단계들로 이루어지는 것을 특징으로 하는 초전도체의 제조방법.
  14. 제13항에 있어서, 하소 및 어닐링이 공기중에서 실시되는 것을 특징으로 하는 제조방법.
  15. 제13항에 있어서, 하소 및 어닐링이 대략 750℃ 900℃의 온도에서 실시되는 것을 특징으로 하는 제조방법.
  16. 제13항에 있어서, 용융이 대략적으로 적어도 900℃의 온도에서 실시되는 것을 특징으로 하는 제조방법.
  17. 제13항에 있어서, 용융이 Ag, Au, Pt 및 Pd 재료들 중 하나로 된 기판상에 놓인 하소된 혼합물상에서 실시되는 것을 특징으로 하는 제조방법.
  18. 제13항에 있어서, 초전도체가 하기 식들중 적어도 하나의 조성물을 포함하는 것을 특징으로 하는 제조방법.
    여기서 a=1 내지 5.0 ; b=1 내지 3.5 ; c=1 내지 4.5 ; 및 0.05 내지 0.85
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890002173A 1988-02-24 1989-02-24 고 Tc 산화물계 초전도체 및 그 제조방법 KR920000285B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP??63-39554 1988-02-24
JP63039554A JP2804039B2 (ja) 1988-02-24 1988-02-24 化合物超電導体およびその製造方法
JP?63-39554 1988-02-24

Publications (2)

Publication Number Publication Date
KR890013813A true KR890013813A (ko) 1989-09-26
KR920000285B1 KR920000285B1 (ko) 1992-01-11

Family

ID=12556287

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002173A KR920000285B1 (ko) 1988-02-24 1989-02-24 고 Tc 산화물계 초전도체 및 그 제조방법

Country Status (6)

Country Link
US (2) US5145831A (ko)
EP (1) EP0330214B2 (ko)
JP (1) JP2804039B2 (ko)
KR (1) KR920000285B1 (ko)
CN (1) CN1025900C (ko)
DE (1) DE68922514T3 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1341504C (en) * 1988-03-25 2006-04-11 Jun Akimitsu Substituted superconductive bi-sr-ca-cu oxide and bi-sr-ca-ln-cu oxide compositions
NZ228132A (en) * 1988-04-08 1992-04-28 Nz Government Metal oxide material comprising various mixtures of bi, tl, pb, sr, ca, cu, y and ag
JPH01290530A (ja) * 1988-05-14 1989-11-22 Sumitomo Electric Ind Ltd 複合酸化物系超電導材料およびその製造方法
JP2545443B2 (ja) * 1988-05-17 1996-10-16 住友電気工業株式会社 酸化物超電導体の製造方法
JPH01308803A (ja) * 1988-06-08 1989-12-13 Mitsubishi Electric Corp 酸化物超電導体の製造方法
AU3651989A (en) * 1988-06-20 1989-12-21 Daikin Industries, Ltd. Bismuth system oxide superconductors and preparation thereof
EP0371453A3 (en) * 1988-11-30 1990-08-22 Daikin Industries, Limited Bismuth system oxide superconductors and preparation thereof
KR940004998B1 (ko) * 1989-10-14 1994-06-09 주식회사 금성사 Bi-Pb계 초전도체의 제조방법
KR940000688B1 (ko) * 1989-10-14 1994-01-27 주식회사 금성사 Bi-Pb-Sr-Ca-Cu-O계 초전도체의 제조방법
DK0611737T3 (da) * 1993-02-17 1999-11-01 Hoechst Ag Fremgangsmåde til fremstilling af en høj-Tc-superleder som precursormateriale til "oxide-powder-in-tube"-metoden (OPIT)
US6051534A (en) * 1993-04-21 2000-04-18 The United States Of America As Represented By The Secretary Of The Navy Process for making superconducting PBSCCO and PBSCCO parts
WO1996021252A1 (en) * 1994-12-30 1996-07-11 The Board Of Regents Of The University And Community College System Of Nevada HIGH Tc OXIDE SUPERCONDUCTORS
CN1048706C (zh) * 1996-05-21 2000-01-26 浙江大学 单相性Bi2Sr2Ca2Cu3O10+δ高温超导体的分步合成方法
WO2000049665A1 (de) 1999-02-17 2000-08-24 Solvay Barium Strontium Gmbh Supraleitende körper aus zinkdotiertem kupferoxidmaterial

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880771A (en) * 1988-02-12 1989-11-14 American Telephone And Telegraph Company, At&T Bell Laboratories Bismuth-lead-strontium-calcium-cuprate superconductors

Also Published As

Publication number Publication date
DE68922514T3 (de) 2006-01-12
EP0330214A2 (en) 1989-08-30
US5317007A (en) 1994-05-31
DE68922514T2 (de) 1995-10-19
US5145831A (en) 1992-09-08
KR920000285B1 (ko) 1992-01-11
EP0330214B2 (en) 2005-03-30
EP0330214B1 (en) 1995-05-10
JPH01215721A (ja) 1989-08-29
CN1037991A (zh) 1989-12-13
DE68922514D1 (de) 1995-06-14
EP0330214A3 (en) 1990-11-07
CN1025900C (zh) 1994-09-07
JP2804039B2 (ja) 1998-09-24

Similar Documents

Publication Publication Date Title
KR890013813A (ko) 고 tc 산화물계 초전도체 및 그 제조방법
Dorris et al. Synthesis of highly pure bismuth-2223 by a two-powder process
KR900015364A (ko) 터널형 조셉슨 소자와 그 제작방법
KR900701052A (ko) 초전도 조성물 및 제조방법
KR920017949A (ko) 초전도물질, 초전도체 및 이러한 초전도체 물질 또는 초전도체의 형성방법
JPS6419622A (en) Method for forming superconductive ceramic thin film
EP0413581B1 (en) Superconducting material
KR890011125A (ko) 초전도성 Y₁Ba₂Cu₃Ox와 관련재료에 있어서 바륨 과산화물의 사용
KR910016104A (ko) 초전도체 및 그 제조방법
JPS6487546A (en) Electrically-conductive ceramic and production thereof
JPS6414150A (en) Production of superconductor
Dimitriev et al. High-TC superconducting glass-ceramics prepared by the melt-quenching methods in the bismuthate system with additives
JPH0574232A (ja) 酸化物超伝導体の劣化防止方法
KR910002021A (ko) 초전도 테이프의 제조방법
JPS6471010A (en) Manufacture of oxide system superconductive wire material
KR900702582A (ko) 동질의 고온 초전도체 및 그 제조 방법
JPS6414151A (en) Production of superconductor
JPH05139741A (ja) 酸化物超電導体及びその製造法
JPH07121827B2 (ja) 酸化物超電導体，複合酸化物超電導材料及びその製造方法
Zavaritskii et al. The Characteristics of Superconducting La sub 2--x Sr sub x CuO sub 4(x= 0. 05-0. 2) and MBa sub 3 Cu sub 3 O sub 7(M= Lutetium, Yttrium)
Itoh et al. Formation of Superconducting Ceramic YBa sub 2 Cu sub 3 O sub x From a Mixture of Y sub 2 O sub 3, BaCO sub 3 and CuO
Yamada et al. High-T sub c Oxide Superconductor and Method for Producing the Same
Disalvo Where can new classes of high-T sub (c) superconducting materials be found.
KR880011828A (ko) 필라멘트 또는 시트형 초전도 물체 및 이 물체를 구비하는 장치
JPH0459654A (ja) 酸化物超電導体

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20090109

Year of fee payment: 18

EXPY Expiration of term