"Le Van Lich,Tinh Quoc Bui,Takahiro Shimada,Takayuki Kitamura,Trong-Giang Nguyen,Van-Hai Dinh","Deterministic switching of polarization vortices in compositionally graded ferroelectrics using a mechanical field",,"Physical Review Applied","American Physical Society","Vol. 11",,"pp. 054001",2019,May