Electronic structure of the layered manganite LaSr2Mn2O7

P.K. de Boer, R.A. de Groot

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Abstract

Ab initio electronic structure calculations, based on density-functional theory within the generalized gradient approximation, on LaSr2Mn2O7 are reported. The bulk electronic structure shows a gap in the minority-spin channel, while the Fermi energy lies at the bottom of the minority conduction band. At the surface of LaSr2Mn2O7, the magnetic moment per formula unit and the spin polarization at the Fermi energy are lowered with respect to the bulk values.
Original languageEnglish
Number of pages5
JournalPhysical Review B
Volume60
Issue number15
DOIs
Publication statusPublished - 1999

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