Electron diffraction studies of the incommensurate modulations in (Bi-Pb)-Sr-Ca-Cu-O superconductors

Clin, M.; Boussiri, K. El; Rezpski, J.; Morin, D.; Schneck, J.

doi:10.1051/rphysap:0199000250101300

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Cited by 7 publications

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“…However, we can notice that a direct consequence of this mechanism would be that the superstructure parameter remains temperature independent. This consequence is actually realized, since the electron diffraction studies [6] show that the superstructure parameter is temperature independent.…”

Section: Resultsmentioning

confidence: 89%

Order-Disorder Mechanism and a Phenomenological Model in (Bi,Pb)-Sr-Ca-Cu-O

1997

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We established a relationship between the structures of the bismuth high Tc superconducting compounds and a symmetry of disordered perovskite type. This description which we propose, leads to considering the structures of these materials in terms of a commensurate superstructure obtained from a latent perovskite structure of space group Im3m. A phenomenological model was elaborated in order to describe the two types of modulations realized in these compounds.

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Section: Resultsmentioning

confidence: 89%