Structure of the Different Cu Sites in the Corrugated CuO 2 Plane in High Tc Superconductors. Bianconi, A., Longa, S. D., Missori, M., Pettiti, I., Pompa, M., & Soldatov, A. Japanese Journal of Applied Physics, 32(S2):578+, 1993. ![Structure of the Different Cu Sites in the Corrugated CuO 2 Plane in High Tc Superconductors [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex By using x-ray absorption spectroscopy different configurations of the Cu site structure in the CuO 2 plane of the Bi 2:2:1:2 high T c superconductor are found. The different Cu sites are characterized by short 2.3 \textbackslashAA and long 2.45 \textbackslashAA Cu-O(apical) distances. The linear arrays of different Cu sites forming domains with a corrugated-iron-foil shape is proposed to be a key feature of superconducting domains in the CuO 2 plane. The wavelength λ of the modulation is close to the superconducting coherence length ξ and k F λ∼2π. The ordering of the distorted Cu sites is suggested to be evidence for ordering of polarons driven by the pseudo Jahn Teller electron lattice interaction.
@article{bianconi_structure_1993-1,
title = {Structure of the {Different} {Cu} {Sites} in the {Corrugated} {CuO} 2 {Plane} in {High} {Tc} {Superconductors}},
volume = {32},
issn = {0021-4922},
url = {http://dx.doi.org/10.7567/jjaps.32s2.578},
doi = {10.7567/jjaps.32s2.578},
abstract = {By using x-ray absorption spectroscopy different configurations of the Cu site structure in the CuO 2 plane of the Bi 2:2:1:2 high T c superconductor are found. The different Cu sites are characterized by short 2.3 {\textbackslash}AA and long 2.45 {\textbackslash}AA Cu-O(apical) distances. The linear arrays of different Cu sites forming domains with a corrugated-iron-foil shape is proposed to be a key feature of superconducting domains in the CuO 2 plane. The wavelength λ of the modulation is close to the superconducting coherence length ξ and k F λ∼2π. The ordering of the distorted Cu sites is suggested to be evidence for ordering of polarons driven by the pseudo Jahn Teller electron lattice interaction.},
number = {S2},
journal = {Japanese Journal of Applied Physics},
author = {Bianconi, Antonio and Longa, Stefano D. and Missori, Mauro and Pettiti, Ida and Pompa, Margherita and Soldatov, Alexander},
year = {1993},
keywords = {cdw, polaron},
pages = {578+}
}
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