Polaronic metal state at the LaAlO3/SrTiO3 interface

Polarons are quasiparticles formed when an electron strongly couples to the lattice vibrations, or phonons, in a crystalline material. Here, the authors use soft-X-ray angle-resolved photoelectron spectroscopy to identify signatures of metal polarons at the interface between two oxide materials.

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Auteurs principaux: C. Cancellieri, A. S. Mishchenko, U. Aschauer, A. Filippetti, C. Faber, O. S. Barišić, V. A. Rogalev, T. Schmitt, N. Nagaosa, V. N. Strocov
Format: article
Langue:EN
Publié: Nature Portfolio 2016
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Accès en ligne:https://doaj.org/article/3ee9adb1dddc4ac7a1169b0656440e98
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Résumé:Polarons are quasiparticles formed when an electron strongly couples to the lattice vibrations, or phonons, in a crystalline material. Here, the authors use soft-X-ray angle-resolved photoelectron spectroscopy to identify signatures of metal polarons at the interface between two oxide materials.