Relaxor-based ferroelectric single crystals:
·Modified Bridgman growth of relaxor-based ferroelectric single crystals, including: Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃(PMNT), Pb(In_1/2Nb_1/2)O₃–Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃ (PIMNT), Pb(Zn_1/3Nb_2/3)O₃–PbTiO₃ (PZNT), etc
·Phase transition and domain transformation in the relaxor-based ferroelectric crystals
·Crystal composition, structure, processing and piezoelectric performance
·Ions Doped PMNT single crystals (such as PSMNT, PFMNT, PMMNT)

Lead-free ferroelectric single crystals:

·Growth, processing of lead-free ferroelectric single crystals;
·Phase transition, domain structure, electric property and piezoelectric applications of Na_0.5Bi_0.5TiO₃-BaTiO₃ (NBBT), Na_0.5Bi_0.5TiO₃- K_0.5Bi_0.5TiO₃ (NKBT) single crystals;

Devices and application

·Pyroelectric properties and un-cooled infrared and ultraviolet applications (detectors and imagers)
·Fabrication and device application of magnetoelectric composites based on PMNT piezoelectric single crystals and magnetostrictive materials (such as Terfenol-D alloy);
·Applications of PMNT crystals in medical ultrasonic transducers, underwater sonar, piezoelectric actuators and motors, piezoelectric transformers and piezoelectric energy harvesters;
·Electro-optic performance and optical communication applications;