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COMPARISON OF YBACUO COMPOUNDS PREPARED FROM BACUO(2) AND BA(2)CU(3)O(5+).

Author(s) : HALASZ I.

Type of article: Article

Summary

SERIES OF YBACUO COMPOSITIONS WERE PREPARED FROM BARIUM CUPRATES AND Y(2)O(3), USING A TWO-STEP SYNTHESIS ROUTE. IT HAS BEEN SHOWN THAT BA(2)CU(3)O(5+) IS ESSENTIAL IN FORMATION OF THE YBA(2)CU(3)O(7-) SUPERCONDUCTING PHASE WHILE BACUO(2) IS NOT AN APPROPRIATE STARTING MATERIAL. RESISTIVITY MEASUREMENTS HINT AT THE EXISTENCE OF 2 SUPERCONDUCTING PHASES. ESR (ELECTRON SPIN RESONANCE) INVESTIGATIONS REVEALED A BASELINE HYSTERESIS, DEPENDING ON THE ACTUAL VALUE OF X.

Details

  • Original title: COMPARISON OF YBACUO COMPOUNDS PREPARED FROM BACUO(2) AND BA(2)CU(3)O(5+).
  • Record ID : 1990-0947
  • Languages: English
  • Source: J. Supercond. - vol. 1 - n. 4
  • Publication date: 1988/12
  • Document available for consultation in the library of the IIR headquarters only.

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