JPS649894A - Method for growing single crystal of superconducting oxide - Google Patents

Method for growing single crystal of superconducting oxide

Info

Publication number
JPS649894A
JPS649894A JP62166390A JP16639087A JPS649894A JP S649894 A JPS649894 A JP S649894A JP 62166390 A JP62166390 A JP 62166390A JP 16639087 A JP16639087 A JP 16639087A JP S649894 A JPS649894 A JP S649894A
Authority
JP
Japan
Prior art keywords
mixture
single crystal
melt
rare earth
cuo
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.)
Pending
Application number
JP62166390A
Other languages
Japanese (ja)
Inventor
Akinori Katsui
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP62166390A priority Critical patent/JPS649894A/en
Publication of JPS649894A publication Critical patent/JPS649894A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

PURPOSE:To grow a single crystal of rare earth barium cuprate suitable as a high-temperature superconducting material, by growing the single crystal from a melt of a mixture, consisting essentially of rare earth barium cuprate, barium borate and cupric oxide and having a specific molar composition. CONSTITUTION:A melt of a mixture, consisting of a rare earth barium cuprate (RBa2Cu3O7-delta), barium borate (BaB2O3) and cupric oxide (CuO) and having a molar composition expressed by the formula is prepared. Furthermore, the above-mentioned R is one or more of Y and lanthanoids. For example, a mixture having a composition of Y1/3Ba2/3:CuO(7-delta)/3:BaB2O3:CuO at 80:10:10 expressed by mol.% is cited as the mixture expressed by the formula. A single crystal is grown from the aforementioned mixture by, e.g. filling the above-mentioned mixture in a growth vessel, melting the mixture while heating, then annealing the aforementioned melt at 1-10 deg.C/hr rate and growing the aimed single crystal of the rare earth barium cuprate suitable as a high-temperature superconducting material on the surfaces of wall and bottom of the vessel or the melt.
JP62166390A 1987-07-03 1987-07-03 Method for growing single crystal of superconducting oxide Pending JPS649894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62166390A JPS649894A (en) 1987-07-03 1987-07-03 Method for growing single crystal of superconducting oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62166390A JPS649894A (en) 1987-07-03 1987-07-03 Method for growing single crystal of superconducting oxide

Publications (1)

Publication Number Publication Date
JPS649894A true JPS649894A (en) 1989-01-13

Family

ID=15830531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62166390A Pending JPS649894A (en) 1987-07-03 1987-07-03 Method for growing single crystal of superconducting oxide

Country Status (1)

Country Link
JP (1) JPS649894A (en)

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