Under modest tensile strain, SrTiO3 develops a polar vibrational mode at finite wavevector, indicating a textured polar phase on nanometer scales rather than uniform ferroelectric order.
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cond-mat.mtrl-sci 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Post-growth oxygen annealing of Sr-rich STO films on Si(001) removes excess Sr through two temperature-dependent segregation mechanisms to yield stoichiometric epitaxial layers.
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A textured polar phase in strained SrTiO3
Under modest tensile strain, SrTiO3 develops a polar vibrational mode at finite wavevector, indicating a textured polar phase on nanometer scales rather than uniform ferroelectric order.
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Stoichiometric Epitaxial Strontium Titanate Thin Films on Silicon by High-Temperature Sr Segregation
Post-growth oxygen annealing of Sr-rich STO films on Si(001) removes excess Sr through two temperature-dependent segregation mechanisms to yield stoichiometric epitaxial layers.