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Weak pseudogap in crystals of Pb2Sr2(Y,Ca)Cu3O8+d

Ya-Wei Hsueh·B. W. Statt·M. Reedyk·J. S. Xue·J. E. Greedan
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Abstract

We report on NMR measurements in underdoped Pb2Sr2(Y,Ca)Cu3O8+d crystals. A pseudogap is observed in the Knight shift and spin-lattice relaxation rate. In contrast to other underdoped compounds, the pseudogap observed in the Knight shift is weak and occurs at a significantly lower temperature. On the other hand, the effect the pseudogap has on spin-lattice relaxation is quite similar to that in other compounds. The contrast between weak and strong pseudogaps is discussed.

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Ya-Wei Hsueh, B. W. Statt, M. Reedyk, J. S. Xue, J. E. Greedan. 1997-03-08. Weak pseudogap in crystals of Pb2Sr2(Y,Ca)Cu3O8+d. https://doi.org/10.1103/physrevb.56.r8511

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