Two-Component Behavior of Cuprate Superconductors from NMR Shifts

Abstract:

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NMR spin shift data of La1:85Sr0:15CuO4, HgBa2CuO4+ at ambient pressure, andof YBa2Cu4O8 at pressure up to 63 kbar are discussed that fail the traditional single-electronicuid picture used for the discussion of NMR data. Instead the results point to a commonexplanation for all three systems in terms of two electronic components. One of them hasa temperature-dependent magnetic susceptibility while the second component, as well as itscoupling to the rst component, are constant above the superconducting transition temperatureTc. All susceptibilities vanish below Tc.

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Periodical:

Edited by:

B. J. Ruck and T. Kemmitt

Pages:

1-6

DOI:

10.4028/www.scientific.net/MSF.700.1

Citation:

D. Rybicki et al., "Two-Component Behavior of Cuprate Superconductors from NMR Shifts", Materials Science Forum, Vol. 700, pp. 1-6, 2012

Online since:

September 2011

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$35.00

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