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cond-mat.mtrl-sci2011
Landau Theory of Tilting of Oxygen Octahedra in Perovskites
A. B. Harris
The list of possible commensurate phases obtained from the parent tetragonal phase of Ruddlesden-Popper systems, ABC for general due to a single phase tran…
cond-mat.mtrl-sci2011★ 75 cited
Symmetry Analysis for the Ruddlesden-Popper Systems, Ca3Mn2O7 and Ca3Ti2O7
A. B. Harris
We perform a symmetry analysis of the zero-temperature instabilities of the tetragonal phase of Ca3Mn2O7 and Ca3Ti2O7 which is stable at high temperature. We introduce order parame…