Observation of oxygen-vacancy-ordered domains in oxygen-deficient single-crystal YBa2Cu3O6.7

C. H. Chen, D. J. Werder, L. F. Schneemeyer, P. K. Gallagher, J. V. Waszczak

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Ordered domains due to oxygen vacancies in oxygen-deficient YBa2Cu3O6.7 single crystals have been imaged by dark-field electron micriscopy using the diffuse diffraction spots centered at ,0,0). When projected along the c axis, the ordered domains have longitudinal and transverse dimensions of 200 and 20, respectively. The longitudinal direction of the domains is parallel to the Cu-O chain direction (i.e., b axis). The vacancy-ordered domains are estimated to occupy 3% of the sample volume.

Original languageEnglish
Pages (from-to)2888-2891
Number of pages4
JournalPhysical Review B
Issue number4
StatePublished - 1 Jan 1988


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