We performed in situ angle-resolved photoemission spectroscopy measurements on La2/3Sr1/3MnO3 thin and ultrathin films deposited onto SrTiO3 substrates in order to determine their electronic band structure. We directly identified, in ultrathin films, an enhancement of the occupation of the out-of-plane Mn 3d eg (3z2−r2) band at the expense of the in-plane 3d eg (x2−y2) band. Such a disproportionate change in orbital occupation is interpreted as the origin of the strong depression of the magnetotransport properties at the interface between manganite films and substrates.

Tebano, A., Orsini, A., Medaglia, P.g., DI CASTRO, D., Balestrino, G., Freelon, B., et al. (2010). Preferential occupation of interface bands in La2/3Sr1/3MnO3 films as seen via angle-resolved photoemission. PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, 82(21), 214407 [10.1103/PhysRevB.82.214407].

Preferential occupation of interface bands in La2/3Sr1/3MnO3 films as seen via angle-resolved photoemission

TEBANO, ANTONELLO;MEDAGLIA, PIER GIANNI;DI CASTRO, DANIELE;BALESTRINO, GIUSEPPE;
2010-01-01

Abstract

We performed in situ angle-resolved photoemission spectroscopy measurements on La2/3Sr1/3MnO3 thin and ultrathin films deposited onto SrTiO3 substrates in order to determine their electronic band structure. We directly identified, in ultrathin films, an enhancement of the occupation of the out-of-plane Mn 3d eg (3z2−r2) band at the expense of the in-plane 3d eg (x2−y2) band. Such a disproportionate change in orbital occupation is interpreted as the origin of the strong depression of the magnetotransport properties at the interface between manganite films and substrates.
2010
Pubblicato
Rilevanza internazionale
Articolo
Sì, ma tipo non specificato
Settore FIS/03 - FISICA DELLA MATERIA
English
Con Impact Factor ISI
Tebano, A., Orsini, A., Medaglia, P.g., DI CASTRO, D., Balestrino, G., Freelon, B., et al. (2010). Preferential occupation of interface bands in La2/3Sr1/3MnO3 films as seen via angle-resolved photoemission. PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, 82(21), 214407 [10.1103/PhysRevB.82.214407].
Tebano, A; Orsini, A; Medaglia, Pg; DI CASTRO, D; Balestrino, G; Freelon, B; Bostwick, A; Young Jun, C; Gaines, S; Rotenberg, E; Saini, Nl
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/22975
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