JPS6451603A - Magnetic material - Google Patents

Magnetic material

Info

Publication number
JPS6451603A
JPS6451603A JP62208119A JP20811987A JPS6451603A JP S6451603 A JPS6451603 A JP S6451603A JP 62208119 A JP62208119 A JP 62208119A JP 20811987 A JP20811987 A JP 20811987A JP S6451603 A JPS6451603 A JP S6451603A
Authority
JP
Japan
Prior art keywords
pipe
magnetic field
ferromagnetism
shows
needlelike
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
JP62208119A
Other languages
Japanese (ja)
Inventor
Masafumi Kiguchi
Masami Naito
Yoshimasa Murayama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP62208119A priority Critical patent/JPS6451603A/en
Publication of JPS6451603A publication Critical patent/JPS6451603A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To realize a magnetic material at a liquid nitrogen temperature or above so that it has complete diamagnetism and ferromagnetism by the use of a magnetic field, a current, and light, by forming ferromagnetic materials into a superconductor. CONSTITUTION:Needlelike ferromagnetic materials 2 made of needlelike CuFe2O4 are mixed into powder of a Y-Ba-Cu-O superconductor 1. This mixed material is put into a copper pipe 3 and this pipe is extended to be shaped cylindrically. When the pipe is cooled at 77K by liquid nitrogen and a magnetic field is applied longitudinally to the pipe to measure magnetism, it shows ferromagnetism rapidly at the time of HC1. When the pipe is heated at 500 deg.C and next it is measured again at 77K, it shows diamagnetism. When a magnetic field of HC1 or below is applied to the pipe and its magnetism is measured together with the flowing of the current, JC1 shows ferromagnetism rapidly.
JP62208119A 1987-08-24 1987-08-24 Magnetic material Pending JPS6451603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62208119A JPS6451603A (en) 1987-08-24 1987-08-24 Magnetic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62208119A JPS6451603A (en) 1987-08-24 1987-08-24 Magnetic material

Publications (1)

Publication Number Publication Date
JPS6451603A true JPS6451603A (en) 1989-02-27

Family

ID=16550948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62208119A Pending JPS6451603A (en) 1987-08-24 1987-08-24 Magnetic material

Country Status (1)

Country Link
JP (1) JPS6451603A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0563249A (en) * 1991-08-30 1993-03-12 Hitachi Ltd Spin interaction element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0563249A (en) * 1991-08-30 1993-03-12 Hitachi Ltd Spin interaction element

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