KR900700390A - Superconducting Bi-Sr-Ca-Cu Oxide Compositions and Methods for Producing the Same - Google Patents

Superconducting Bi-Sr-Ca-Cu Oxide Compositions and Methods for Producing the Same

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Publication number
KR900700390A
KR900700390A KR1019890701845A KR890701845A KR900700390A KR 900700390 A KR900700390 A KR 900700390A KR 1019890701845 A KR1019890701845 A KR 1019890701845A KR 890701845 A KR890701845 A KR 890701845A KR 900700390 A KR900700390 A KR 900700390A
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South Korea
Prior art keywords
composition
superconducting
temperature
oxide
general formula
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KR1019890701845A
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Korean (ko)
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KR970000482B1 (en
Inventor
고팔라크리쉬난 자가나타
아서 슬라이트 윌리암
무니팔람수브라마니안 아파도라이
Original Assignee
제임스. 제이. 플라인
이. 아이. 듀 퐁 드 네모아 앤드 캄파니
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Priority claimed from PCT/US1989/000355 external-priority patent/WO1989007087A1/en
Publication of KR900700390A publication Critical patent/KR900700390A/en
Application granted granted Critical
Publication of KR970000482B1 publication Critical patent/KR970000482B1/en

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    • 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G29/00—Compounds of bismuth
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

내용 없음No content

Description

초전도 Bi-Sr-Ca-Cu 산화물 조성물 및 이의 제 조방법Superconducting Bi-Sr-Ca-Cu Oxide Compositions and Agents thereof Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (13)

초전도 전이온도가 70K 이상인 |공칭 일반식 BiaSrbCacCu3Ox[여기에서, a는 약 1내지 2이고, b는 약 3/8 내지 4이며, c는 약 3/4 내지 2이고, x는 |(1.5a+b+c+y)이며 y는 약 2내지 5이되 "b+c"는 약 3/2 내지 5이다]의 초전도 조성물.Nominal general formula Bi a Sr b Ca c Cu 3 O x [where a is about 1 to 2, b is about 3/8 to 4 and c is about 3/4 to 2 Wherein x is | (1.5a + b + c + y) and y is about 2 to 5 and “b + c” is about 3/2 to 5]. 제1항에 있어서, "a"가 약 3/2 |내지 2이고, "b"가 약3/2 내지 4이며, "c"가 약 1 내지 약 3/2 이고 "b+c"가 약 3 내지 5인 초전도 조성물.The method of claim 1, wherein "a" is about 3/2 | to 2, "b" is about 3/2 to 4, "c" is about 1 to about 3/2 and "b + c" is about Superconducting composition of 3 to 5. 제2항에 있어서, "a"가 2이고, |"b"가 2이며, "c"가 1인 초전도 조성물.The superconducting composition of claim 2, wherein "a" is 2, "b" is 2, and "c" is 1. 초전도 전이온도가 70K 이상인 |공칭 일반식 BiaSrbCacCu3Ox여기에서, a는 약 1내지 3이고, b는 약 3/8 내지 4이며, c는 약 3/16 내지 2이고, x|는 (1.5a+b+c+y)이며 y는 약 2내지 5이되 "b+c"가 약 3/2내지 5이다]의 초전도 조성물.Nominal general formula Bi a Sr b Ca c Cu 3 O x where a is from about 1 to 3, b is from about 3/8 to 4, c is from about 3/16 to 2 , x | is (1.5a + b + c + y) and y is about 2-5 and “b + c” is about 3 / 2-5. 제1항에 있어서, "a"가 약 3/2 |내지 3이고, "b"가 약 3/2 내지 4이며, "c"가 약 1/2 내지 3/2 이며 "b+c"가 약 3 내지 5인 |초전도 조성물.The process of claim 1 wherein "a" is about 3/2 | to 3, "b" is about 3/2 to 4, "c" is about 1/2 to 3/2 and "b + c" Superconducting composition of about 3 to 5 | 일반식 |Bi2Sr3-zCazCu2Os+w(여|기에서, z는 약 0.1 내지 0.9 의 값이고, w는 0이상 12 미만의 값이다)의 금속 산화물 상을 |함유하는 초전도 조성물.Contains a metal oxide phase of the general formula Bi 2 Sr 3-z Ca z Cu 2 O s + w (where z is a value from about 0.1 to 0.9 and w is a value from 0 to 12) Superconducting composition. 제6항에 있어서, "z"가 약 0.4내|지 약 0.8인 초전도 조성물.The superconducting composition of claim 6 wherein "z" is from about 0.4 to about 0.8. 제6항에 있어서, "z"가 0.6내지 |0.7이고, 금속 산화물 상이 a는 5.409Å이고, b는 5.414Å이며 c는 30.914Å인 A를 중심으로 |하는 사방정계 셀을 기본으로 하는 구조를 갖는 초전도 조성물.7. The structure according to claim 6, wherein the z-type is 0.6 to 0.7, the metal oxide phase a is 5.409 ms, b is 5.414 ms and c is 30.914 ms. Having a superconducting composition. 화학양론적 양의 산화물 또는 |산화물 선구물질을 혼합하고, 이 혼합물을 공기중에서 약 775℃내지 900℃의 온도로 가열하|여 이 온도에서 약 8내지 48시간동안 유지시켜 제1항 또는 4항 또는 6항의 조성물을 형성시|킨 다음, 이를 100℃미만의 온도로 냉각시킴을 반드시 포함하는 초전도 조성물 제조방|법.A stoichiometric amount of oxide or oxide precursor is mixed and the mixture is heated in air to a temperature of about 775 ° C. to 900 ° C. and maintained at this temperature for about 8 to 48 hours. Or forming the composition of claim 6, and then cooling it to a temperature of less than 100 ° C. 제4항에 있어서, 가열된 조성|물을 100℃미만의 온도에서 급냉시켜 냉각시키는 방법.The method of claim 4, wherein the heated composition | water is cooled by quenching at a temperature below 100 ° C. 6. 제4항에 있어서, 화학양론적 |양의 산화물 또는 산화물 선구물질을 선택하여 제5항의 조성물을 수득하는 방법.The method of claim 4, wherein the stoichiometric amount of oxide or oxide precursor is selected to obtain the composition of claim 5. 제1항, 4항 또는 6항의 조성물|로 이루어진 전도체 물질을 77K 이상, 115K 이하의 온도로 냉각시키고 이 온도로 유지시키|면서 전류를 흐르게 하는 단계를 포함하여 전기 저항으로 인한 손실없이 전도체 물질에 전|류를 전도 시키는 방법.Cooling the conductor material consisting of the composition of claim 1, 4 or 6 to a temperature of at least 77K and at or below 115K and allowing a current to flow therethrough without loss of electrical resistance to the conductor material. How to invert current. 초전도 물질의 제1항, 4항 또|는 6항의 조성물을 포함하는 개선된 조셉슨-효과(Josephson-effect)장치.An improved Josephson-effect device comprising the composition of claims 1, 4 or 6 of superconducting material. ※참고사항: 최초출원 내용에 의하여 공개하는 것|임.※ Note: Disclosure based on initial application.
KR1019890701845A 1988-02-08 1989-02-03 Superconducting bi-sr-ca-cu oxide composition KR970000482B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US15310788A 1988-02-08 1988-02-08
US?153,107? 1988-02-08
US153,107 1988-02-08
USPUS89/00355 1989-02-03
PCT/US1989/000355 WO1989007087A1 (en) 1988-02-04 1989-02-03 SUPERCONDUCTING Bi-Sr-Ca-Cu OXIDE COMPOSITONS AND PROCESS FOR MANUFACTURE

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KR900700390A true KR900700390A (en) 1990-08-13
KR970000482B1 KR970000482B1 (en) 1997-01-13

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KR (1) KR970000482B1 (en)
AU (1) AU617765B2 (en)
CA (1) CA1341237C (en)
DK (1) DK172938B1 (en)
HU (1) HU217018B (en)
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ATE115104T1 (en) * 1988-02-05 1994-12-15 Hoechst Ag SUPERCONDUCTOR AND PROCESS FOR ITS MANUFACTURE.
JPH01212227A (en) * 1988-02-17 1989-08-25 Nippon Telegr & Teleph Corp <Ntt> Oxide superconducting material
DE4108869A1 (en) * 1991-03-19 1992-09-24 Hoechst Ag METHOD FOR PRODUCING A SUPRAL-CONDUCTIVE MATERIAL CONTAINING BISMUT
RU2460175C1 (en) * 2011-05-12 2012-08-27 Учреждение Российской академии наук Институт металлургии и материаловедения им. А.А. Байкова РАН Superconducting composite material based on hts compounds and method of producing said material

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JP2506892B2 (en) 1988-02-05 1996-06-12 松下電器産業株式会社 Oxide superconducting material
JP2629771B2 (en) 1988-02-05 1997-07-16 松下電器産業株式会社 Oxide superconducting material
US5181481A (en) * 1991-03-25 1993-01-26 Foster Wheeler Energy Corporation Fluidized bed combustion system and method having multiple furnace sections
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KR970000482B1 (en) 1997-01-13
JP2850310B2 (en) 1999-01-27
HUT57939A (en) 1991-12-30
HU891437D0 (en) 1991-11-28
DK188190D0 (en) 1990-08-07
NO180043C (en) 1997-02-05
NO180043B (en) 1996-10-28
DK188190A (en) 1990-08-07
JPH03502918A (en) 1991-07-04
HU217018B (en) 1999-11-29
NO903160L (en) 1990-07-13
AU3068989A (en) 1989-08-25
DK172938B1 (en) 1999-10-11
RU2056068C1 (en) 1996-03-10
CA1341237C (en) 2001-05-22
NO903160D0 (en) 1990-07-13
AU617765B2 (en) 1991-12-05

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