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Hole distribution in YxPr1−xBa2Cu4O8 and YxPr1−xBa2Cu3O7 probed by X-ray absorption spectroscopy

✍ Scribed by J.M. Chen; S.J. Liu; J.M. Lee; J.-Y. Lin; Y.S. Gou; H.D. Yang

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 249 KB
Volume: 408-410
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2004.03.144

No coin nor oath required. For personal study only.

✦ Synopsis

Utilizing high-resolution O K-edge X-ray absorption spectra, we report a comparative study on the variation of hole states with Pr doping for Y x Pr 1Àx Ba 2 Cu 3 O 7 and Y x Pr 1Àx Ba 2 Cu 4 O 8 . The depletion rate of hole carriers in the CuO 2 planes with Pr doping in Y x Pr 1Àx Ba 2 Cu 4 O 8 is considerably slower than that in Y x Pr 1Àx Ba 2 Cu 3 O 7 . The oxygen content affects the depletion rate of hole carriers in cuprates with Pr doping.

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