JPH04104941A - Oxide superconductor and production thereof - Google Patents

Oxide superconductor and production thereof

Info

Publication number
JPH04104941A
JPH04104941A JP2220900A JP22090090A JPH04104941A JP H04104941 A JPH04104941 A JP H04104941A JP 2220900 A JP2220900 A JP 2220900A JP 22090090 A JP22090090 A JP 22090090A JP H04104941 A JPH04104941 A JP H04104941A
Authority
JP
Japan
Prior art keywords
ground
composition
powder
mixed
molded
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
JP2220900A
Other languages
Japanese (ja)
Inventor
Shuichiro Shimoda
Shozo Yamana
Keiji Sumiya
Minoru Ishihara
Hideji Kuwajima
Toranosuke Ashizawa
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP2220900A priority Critical patent/JPH04104941A/en
Publication of JPH04104941A publication Critical patent/JPH04104941A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide the subject superconductor improved in magnetic field dependency by mixing the respective raw material of Tl, Ba, Sr, Ca, Cu, Pt and/or Pd so as to form a composition containing the Pt and/or Pd and represented by a specific formula, and subsequently firing the mixture.
CONSTITUTION: The respective powdery raw materials of Ba, Sr, Ca and Cu are weighed in prescribed amounts, mixed with each other, preliminarily fired and subsequently ground. The ground product is mixed with a prescribed amount of a powdery Tl raw material and ground to prepare a composition for oxide superconductors. The composition is press-molded and fired in a lidded ceramic container to form a material for oxide superconductors. The material is ground and homogeneously mixed with prescribed amounts of Pt powder or Pd powder. The mixture powder is press-molded, fixed in the atmosphere at 800 to 900°C to provide an oxide superconductor containing the Pt and/or Pd in an amount of 0.1-5wt.%, having a composition represented by the formula [A=1.2 to 1.9; B≤1; (A+B)≤2.2; C=1.8 to 2.4; the numbers are each an atomic ratio] and improved in the dependency of the superconductive characteristics on magnetic field.
COPYRIGHT: (C)1992,JPO&Japio
JP2220900A 1990-08-21 1990-08-21 Oxide superconductor and production thereof Pending JPH04104941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2220900A JPH04104941A (en) 1990-08-21 1990-08-21 Oxide superconductor and production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2220900A JPH04104941A (en) 1990-08-21 1990-08-21 Oxide superconductor and production thereof

Publications (1)

Publication Number Publication Date
JPH04104941A true JPH04104941A (en) 1992-04-07

Family

ID=16758294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2220900A Pending JPH04104941A (en) 1990-08-21 1990-08-21 Oxide superconductor and production thereof

Country Status (1)

Country Link
JP (1) JPH04104941A (en)

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