Open AccessP-type conductivity in annealed strontium titanate
Author(s) -
Violet M. Poole,
Caleb Corolewski,
Matthew D. McCluskey
Publication year - 2015
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.4938521
Subject(s) - strontium titanate , conductivity , strontium , materials science , acceptor , electron , annealing (glass) , condensed matter physics , analytical chemistry (journal) , titanate , atmospheric temperature range , mineralogy , chemistry , physics , thin film , nanotechnology , thermodynamics , metallurgy , ceramic , nuclear physics , chromatography
Hall-effect measurements indicate p-type conductivity in bulk, single-crystal strontium titanate (SrTiO3, or STO) samples that were annealed at 1200°C. Room-temperature mobilities above 100 cm2/V s were measured, an order of magnitude higher than those for electrons (5-10 cm2/V s). Average hole densities were in the 109-1010 cm−3 range, consistent with a deep acceptor
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