Daniel J. Coady, Amanda C. Engler, et al.
ACS Macro Letters
Torque magnetization measurements on HgBa2CuO4+δ microcrystals with different oxygen doping δ were performed in order to extract the doping dependence of the effective mass anisotropy γ = √mc*/mab*, of the in-plane penetration depth λab, and of the in-plane coherence length ξab. The anisotropy γ increases monotonically with decreasing δ, suggesting a smooth 3D - 2D crossover in the superconducting properties on reducing the oxygen content. Within the framework of a bipolaronic model this increase can be explained by an increase of the polaron binding energy with reduced doping. © 1999 Plenum Publishing Corporation.
Daniel J. Coady, Amanda C. Engler, et al.
ACS Macro Letters
P. Alnot, D.J. Auerbach, et al.
Surface Science
William Hinsberg, Joy Cheng, et al.
SPIE Advanced Lithography 2010
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Advanced Materials