In-situ observation of phase transformat
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Hiromi Nakano; Nobuo Ishizawa; Naoki Kamegashira
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Article
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2010
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Elsevier Science
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English
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The layered perovskite BaLn 2 Mn 2 O 7 (Ln = rare earth) has a Sr 3 Ti 2 O 7 -type structure with double-block oxygen octahedra belonging to the Ruddlesden-Popper-type homologous series AO(ABO 3 ) 2 . The BaEu 2 Mn 2 O 7 shows multiple phase transformations upon heating by hightemperature TEM, from