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Enhancement of critical Pr ion concentration (xcr) in (La1−xPrx)Ba2Cu3Oz (1999)

Murugesan, M. ; Ishigaki, T. ; Kuwano, H.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 86 (1999), S. 6985-6992

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The substitutional effect of Pr ion for La in (La1−xPrx)Ba2Cu3Oz bulk samples prepared under modified synthesis condition has been studied. Low field magnetization studies showed that superconductivity is retained up to the critical Pr ion concentration, xcr=0.40. The effective magnetic moment of Pr3+ free ion is very low in the present series of compounds. Results of X-ray absorption near-edge structure spectra for the series of (La1−xPrx)Ba2Cu3Oz compounds with 0.00〈x〈0.60 reveal that the doped Pr ion reduces hole concentration within the CuO2 planes, leading to a destruction of superconductivity. © 1999 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.371783

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