Phononic Crystal Tunable via Ferroelectric Phase Transition
نویسندگان
چکیده
منابع مشابه
Mode softening, ferroelectric transition, and tunable photonic band structures in a point-dipole crystal.
We study the photonic band structure of cubic crystals of point dipoles. It is shown that in contrast to earlier claims these systems cannot have an omnidirectional photonic band gap. For sufficiently large plasma frequencies, however, they exhibit softening of photonic bands, leading to (anti)ferroelectric ordering of the dipoles and the possibility to open and tune directional band gaps by ex...
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ژورنال
عنوان ژورنال: Physical Review Applied
سال: 2015
ISSN: 2331-7019
DOI: 10.1103/physrevapplied.4.034009