Long-range ordering of polar vortices into a supercrystal in PTO/STO superlattices suppresses thermal conductivity via a mechanism resembling phonon Anderson localization, reversible by temperature and electric field.
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Complex polar superstructure controlled thermal conductivity in ferroelectric PbTiO3/SrTiO3 superlattices
Long-range ordering of polar vortices into a supercrystal in PTO/STO superlattices suppresses thermal conductivity via a mechanism resembling phonon Anderson localization, reversible by temperature and electric field.