Polarized light and X-ray precession study of the ferroelastic domains of YBa2Cu3O7-?

Article Article scientifique Article Polarized light and X-ray precession study of the ferroelastic domains of YBa2Cu3O7-? eng 1988 author Schmid Hans 25307 author Burkhardt Ernst 617845 author Walker Eric 24664 author Brixel Wolf Dietrich 64882 author Clin Martial Guy Jean Marie 36310 author Rivera Jean-Pierre 24682 author Jordan Jean-Luc Raymond 42112 author Francois Michel Christian Lucien 23394 author Yvon Klaus 25146 305-322 10.1007/BF01312817 0722-3277 http://link.springer.com/10.1007/BF01312817 The ferroelastic domains of the orthorhombic phase of YBa2Cu3O7-δ were obsd. in polarized light on ceramics and single crystals. By combining polarized light microscopy with the x-ray presession technique, the correlation of the orientation of the orthorhombic a- and b-axes with that of the a-b-plane bireflectance, reflection dichroism, transmission dichroism, reflection tints generated with compensators and on uncrossing of polars, as well as the orientation of etch pits was realized on ferroelastic single domains, bi-domains, and more complicated domain patterns. Four ferroelastic orthorhombic domain states were identified, at variance with former group theor. considerations, predicting only 2 states. Ensembles of lamellar domains beyond optical resoln. generate strong bireflectance with principal axes rotated by 45° relative to the true a,b-directions. Superconductors Ferroelasticity Dewey 540 40 Département de chimie minérale, analytique et appliquée 145 false Zeitschrift für Physik. B, Condensed matter 72 3 a39a2616-e9b5-48f7-adaa-5a52dc94411c Article (Published version) Public schmid1.pdf 6995008 application/pdf openAccess Faculté des sciences / Section de chimie et biochimie / Département de chimie minérale, analytique et appliquée

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Polarized light and X-ray precession study of the ferroelastic domains of YBa2Cu3O7-?	Zeitschrift für Physik. B, Condensed matter			1988	756	931

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Jordan, Jean-Luc Raymond