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We have studied (Bi-2212) thin films fabrication by a metal organic decomposition method. When the Bi-2212 thin films were prepared on c-cut sapphire substrates, the maximum critical temperature was 25 K by 820 air annealing in an electric furnace for 30 min. When the Bi-2212 thin films were prepared on r-cut...
DC and AC magnetic characteristics with Co based non-magnetostrictive amorphous (FeCo)SiB, and (Fe(CoNi))SiB ribbons in which Co is partially substituted by Ni are studied in order to apply them to high frequency cores. It is shown that the substitution of Ni for Co decreases the coercive force. Hc also depends strongly upon the thickness of ribbons, and the ribbon core with 10 ??m thick shows very...
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