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Phase transition in the Ruddlesden–Popper layered perovskite Li2SrTa2O7

✍ Scribed by T. Pagnier; N. Rosman; C. Galven; E. Suard; J.L. Fourquet; F. Le Berre; M.P. Crosnier-Lopez


Book ID
108195662
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
1005 KB
Volume
182
Category
Article
ISSN
0022-4596

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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