Title: Transport properties in doped Mott insulator epitaxial La1-xTiO3+delta thin films
Authors: Gariglio, S ×
Seo, Jin Won
Fompeyrine, J
Locquet, Jean-Pierre
Triscone, JM #
Issue Date: 2001
Series Title: Physical review. B, Condensed matter and materials physics vol:63 issue:16
Conference: date:Univ Geneva, DPMC, CH-1211 Geneva 4, Switzerland; IBM Corp, Res Labs, CH-8804 Ruschlikon, Switzerland; Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland
Article number: 161103
Abstract: We report on the transport properties, Hall effect and resistivity, of epitaxial La1-yTiO3+delta thin films. The materials, grown by molecular beam epitaxy, display a temperature independent Hall coefficient and a characteristic T-2 dependence of the resistivity over a wide temperature range, extending from a few Kelvin to 500 K. These transport properties are shown to be consistent with small polaron metallic conduction with a dominant optical phonon mode whose energy, (h) over bar omega (0) = 80 K, is characteristic of the tilt/rotation of the oxygen octahedra in perovskite materials.
ISSN: 1098-0121
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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