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|Title: ||Microstructure of bilayer manganite PrCa2Mn2O7 showing charge/orbital ordering|
|Authors: ||He, Z|
Van Tendeloo, G
|Issue Date: ||27-May-2013|
|Publisher: ||American Institute of Physics|
|Citation: ||He, Z., Tian, H., Deng, G., Xu, Q., & Van Tendeloo, G. (2013). Microstructure of bilayer manganite PrCa2Mn2O7 showing charge/orbital ordering Applied Physics Letters, 102, Article Number 212902.|
|Abstract: ||The microstructure of the charge/orbital ordering Ruddleden-Popper phase PrCa2Mn2O7 was studied by transmission electron microscopy along both the  and the  orientation. Three coexisting charge/orbital ordering phases CO1, CO2, and CO3 were observed along the  orientation at room temperature. Different from the one-dimensional modulation in the CO1 and CO2 phase, the CO3 phase is characterized by two sets of mutually perpendicular structural modulations. From  high angle annular dark field-scanning transmission electron microscopy, we found that the Pr atoms locate in-between the bilayer MnO6 octahedra, which is different from the previous reports.© 2013, American Institute of Physics.|
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