Department of Physics;
the Chinese University of Hong Kong;
Shatin;
NT;
Hong Kong;
China Department of Physics;
the Chinese University of Hong Kong;
Shatin;
NT;
Hong Kong;
China Department of Applied Physics;
Shanghai Jiao Tong University;
Shanghai 200030;
China Department of Applied Physics;
Shanghai Jiao Tong University;
Shanghai 200030;
China;
Department of Physics;
University of California;
Berkeley;
California 94720-7300;
U.S.A.;
dielectric; relaxation; interfacial; polarization; cell; model;