The effect of crystallographic interface orientation on the electric transport properties of fully strained La2/3Sr1/3MnO3 films grown onto LaAlO3 substrates has been investigated. It is found that, relative to the (001) orientation, the (110) orientation strongly enhances the transport properties for film thickness in the range between 3 and 12 nm. Such an effect was ascribed to reduced [relative to the (001) substrates] tetragonal distortion induced by epitaxy onto (110)-oriented substrates. The reduced tetragonal distortion quenches the occupational imbalance between the Mn e(g) orbitals thus, ultimately, reinforcing the ferromagnetic double exchange transport mechanism.

Tebano, A., Orsini, A., DI CASTRO, D., Medaglia, P.g., Balestrino, G. (2010). Interplay between crystallographic orientation and electric transport properties in La2/3Sr1/3MnO3 films. APPLIED PHYSICS LETTERS, 96(9), 092505 [10.1063/1.3339872].

Interplay between crystallographic orientation and electric transport properties in La2/3Sr1/3MnO3 films

TEBANO, ANTONELLO;DI CASTRO, DANIELE;MEDAGLIA, PIER GIANNI;BALESTRINO, GIUSEPPE
2010-03-01

Abstract

The effect of crystallographic interface orientation on the electric transport properties of fully strained La2/3Sr1/3MnO3 films grown onto LaAlO3 substrates has been investigated. It is found that, relative to the (001) orientation, the (110) orientation strongly enhances the transport properties for film thickness in the range between 3 and 12 nm. Such an effect was ascribed to reduced [relative to the (001) substrates] tetragonal distortion induced by epitaxy onto (110)-oriented substrates. The reduced tetragonal distortion quenches the occupational imbalance between the Mn e(g) orbitals thus, ultimately, reinforcing the ferromagnetic double exchange transport mechanism.
1-mar-2010
Pubblicato
Rilevanza internazionale
Articolo
Sì, ma tipo non specificato
Settore FIS/03 - Fisica della Materia
English
Con Impact Factor ISI
ceramics; crystal orientation; galvanomagnetic effects; insulating thin films; lanthanum compounds; strontium compounds
Tebano, A., Orsini, A., DI CASTRO, D., Medaglia, P.g., Balestrino, G. (2010). Interplay between crystallographic orientation and electric transport properties in La2/3Sr1/3MnO3 films. APPLIED PHYSICS LETTERS, 96(9), 092505 [10.1063/1.3339872].
Tebano, A; Orsini, A; DI CASTRO, D; Medaglia, Pg; Balestrino, G
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/33427
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