A Structural Study of the Perovskite Ser
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Roger H. Mitchell; Anton R. Chakhmouradian
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Article
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1998
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Elsevier Science
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English
⚖ 294 KB
An X-ray powder diffraction study of the series Na 1/ 2؉x La 1/ 2؊3x Th 2x TiO 3 is presented. The series comprises orthorhombic CaTiO 3 -type perovskites (Pnma, a+c+(2 a p , b+2 a p ) in the range 04x40.083 and tetragonal La 1/2 Li 1/2 TiO 3 -type perovskites (P4/mmm, a ؍ a p , c+2a p ) in the ra