Spin glass order in high-Tc cuprates

Christos Panagopoulos

doi:10.1117/12.538918

25 May 2004 Spin glass order in high-T_c cuprates

Christos Panagopoulos

Proceedings Volume 5469, Fluctuations and Noise in Materials; (2004) https://doi.org/10.1117/12.538918
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

Abstract

The spin glass transition temperature of the non-superconducting series La_2-xSr_xCu_0.95Zn_0.05O₄ (x=0.10-0.22) is found to decrease with increasing x and vanish at a critical doping x_c=0.19. This value of x_c coincides with the doping at which the superfluid density and critical current density peak and normal state pseudogap extrapolates to zero in the superconducting analogues of this high-T_c family. The presence and disappearance of T_g for x<0.19 and at x=0.19, are discussed in terms of a competing order and a quantum glass transition, respectively.

Citation Download Citation

Christos Panagopoulos "Spin glass order in high-T_c cuprates", Proc. SPIE 5469, Fluctuations and Noise in Materials, (25 May 2004); https://doi.org/10.1117/12.538918

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