Hole localization in underdoped superconducting cuprates near 18 doping

J. L. Cohn; C. P. Popoviciu; Q. M. Lin; C. W. Chu

doi:10.1103/PhysRevB.59.3823

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Hole localization in underdoped superconducting cuprates near 18 doping

J. L. Cohn, C. P. Popoviciu, Q. M. Lin, C. W. Chu

DOI 10.1103/PhysRevB.59.3823 · Physical Review B

T1

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Abstract

Measurements of thermal conductivity versus temperature over a broad range of doping in YBa2Cu3O6+x and HgBa2Can−1CunO2n+2+δ(n=1,2,3) suggest that small domains of localized holes develop for hole concentrations near p=1/8. The data imply a mechanism for localization that is intrinsic to the CuO2 planes and is enhanced via pinning associated with oxygen-vacancy clusters.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O6+x Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
HgBa2CaCu2O6+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
HgBa2CuO4+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
HgBa2Ca2Cu3O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown