Quasi-two-dimensional electron gas behavior in doped LaAlO3 thin films on SrTiO3 substrates
We have demonstrated the growth of Tm and Lu doped LaAlO 3 epitaxial thin films on single
crystal (001) SrTiO 3 substrates. These rare-earth dopants potentially act as sources of
localized moment and spin-orbit scattering centers at the interface. Through structural and
chemical characterization, we confirm the incorporation of Tm and Lu dopants into highly
crystalline LaAlO 3 films. The rare earth doping of the La site does not significantly modify
the sheet carrier concentration or mobility compared to undoped samples despite the …
crystal (001) SrTiO 3 substrates. These rare-earth dopants potentially act as sources of
localized moment and spin-orbit scattering centers at the interface. Through structural and
chemical characterization, we confirm the incorporation of Tm and Lu dopants into highly
crystalline LaAlO 3 films. The rare earth doping of the La site does not significantly modify
the sheet carrier concentration or mobility compared to undoped samples despite the …
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