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Portable Network Graphic  |  2001-11-08  |  63KB  |  600x440  |  16-bit (2,565 colors)
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OCR: EEurotran 2002 Superconducting materials.rtf 0 Soubor Upravy Preldad Zobrazit Format Napoveda qonpudd Superconducting materials conductor dirigent Superconducting materials change from normal electrical conductor to superconductor some wniujwnje critical transition temperature which is usually well below ordinary temperatures hlinikovi yocia bare conductor The situation changed dramatically in 1986 with the discovery by Bednorz and Muller superconductivity hol vodt near the relativeh high temperature or 30K in metal oxide lanthanum barium copper oxide branct conductor odboc veden No one understood why superconductivity should happen at all until 1957 when John Bardeen, Leor bundle conductor vazkovi vodi Cooper and Robert Schrieffer at the University ofIllinois showed how it happen They env ...