Superconducting material and method for preparing...

Details Superconducting material and method for preparing... Superconducting material and method for preparing...

H - Electricity

01

L

H01L 39/12 (2006.01) C04B 35/45 (2006.01) H01L 39/24 (2006.01)

Patent

CA 2181601

A method for preparing a superconducting material by preparing a precursor consisting of a powder of Ba2Can-1Cun+1Ox or Ba2Can-1Cun+1Ox, wherein n is an integer greater than 1 and x is greater than 2n+2; mixing the powder with silver oxide powder, optionally in the presence of excess copper oxide, in an amount of one mole of the precursor for one to three moles of silver oxide; and carrying out high-temperature, high-pressure heating.

La présente invention concerne un procédé de préparation d'un matériau supraconducteur consistant à préparer un précurseur constitué d'une poudre de Ba2Can-1Cu n+1O x, ou Ba2Can-1Cu n+1O x où n est un entier supérieur à 1 et x est supérieur à 2n+2; à mélanger cette poudre à de la poudre d'oxyde d argent éventuellement en présence d'art excès d'oxyde de cuivre, dans une proportion d'une moles de précurseur pour une à trois moles d'oxyde d'argent; et à chauffer à haute température et haute pression.

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