Search for circular dichroism in high-Tc superconductors

K. B. Lyons, J. Kwo, J. F. Dillon, G. P. Espinosa, M. McGlashan-Powell, A. P. Ramirez, L. F. Schneemeyer

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Abstract

We report observation of circular dichroism in reflection from various cuprate superconducting materials, including YBa2Cu2O7-x films, an etched YBa2Cu3O7 crystal, and a Bi2Sr2CaCu2O8 crystal. This signal develops as T is lowered below 200 K and exhibits little change near Tc. The exact onset temperatures differ for the various materials.

Original languageEnglish
Pages (from-to)2949-2952
Number of pages4
JournalPhysical Review Letters
Volume64
Issue number24
DOIs
Publication statusPublished - 1 Jan 1990

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Lyons, K. B., Kwo, J., Dillon, J. F., Espinosa, G. P., McGlashan-Powell, M., Ramirez, A. P., & Schneemeyer, L. F. (1990). Search for circular dichroism in high-Tc superconductors. Physical Review Letters, 64(24), 2949-2952. https://doi.org/10.1103/PhysRevLett.64.2949