Crystal growth and characterization of two kinds of Fe doped BaTio3 single crystals

G. Godefroy Laboratoire de Dielectriques, ERA n 19, Faculte des Sciences MIPC, Batiment Mirande, B.P. 138, 2100, Dijon Cedex, France

C. Dumas Laboratoire de Dielectriques, ERA n 19, Faculte des Sciences MIPC, Batiment Mirande, B.P. 138, 2100, Dijon Cedex, France

P. Lompere Laboratoire de Dielectriques, ERA n 19, Faculte des Sciences MIPC, Batiment Mirande, B.P. 138, 2100, Dijon Cedex, France

A. Perrot Laboratoire de Dielectriques, ERA n 19, Faculte des Sciences MIPC, Batiment Mirande, B.P. 138, 2100, Dijon Cedex, France

Abstract

Single BaTio3: Fe crystals are either grown in a KF flux or pulled in a Tio2 Flux; the transition temprature decreases in the same way in the two kinds of crystals. The optical measurements show an apperent reduction of the intrinsic gap. These two phenomena are related to that Fe3+ ions occupy the high symmetry site for Ti-ions, thus modifying the point and translation symmetry.

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Crystal growth and characterization of two kinds of Fe doped BaTio3 single crystals

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Crystal growth and characterization of two kinds of Fe doped BaTio3 single crystals

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