Abstract
The NQR spectra of copper in the compounds YBa2Cu3O7, TmBa2Cu3O7, and Y0.9Pr0.1Ba2Cu3O7 at temperatures of 4.2–200 K are investigated by a pulsed NQR technique at frequencies of 28–33 MHz. Quantitative analysis of the spectra shows that the shape of the “plane” Cu(2) spectra is well described by using a model of 1D correlations of the charge and spin distribution in the CuO2 planes (stripe correlations). In the undoped superconductors the charge-spin stripe structure moves fast in the CuO2 planes, but doping the YBa2Cu3O7 lattice with praseodymium slows this motion down.
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Pis’ma Zh. Éksp. Teor. Fiz. 65, No. 10, 782–787 (25 May 1997)
Published in English in the original Russian journal. Edited by Steve Torstveit.
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Teplov, M.A., Sakhratov, Y.A., Dooglav, A.V. et al. Stripe motion in CuO2 planes of Y1−x Pr x Ba2Cu3O7 as observed from the Cu(2) quadrupole resonance. Jetp Lett. 65, 821–827 (1997). https://doi.org/10.1134/1.567452
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DOI: https://doi.org/10.1134/1.567452