Physical properties of ferroelectric superlattice A3/B3 system in electric field
Jiang Wei (姜伟)ab, Lo Veng-Cheong (罗永祥)b, Bai Bao-Dong (白保东)c
a College of Sciences, Shenyang University of Technology, Shenyang 110023, China；bDepartment of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, China; cSchool of Electrical Engineering, Shenyang University of Technology, Shenyang 110023, China
Abstract The transverse Ising model (TIM) in the effective-field theory based on the differential operator technique is developed to study the physical properties of a ferroelectric superlattice A3/B3 system. The effects of an external electric field on the polarization, susceptibility and pyroelectric coefficient of the ferroelectric superlattice A3/B3 system are discussed in detail. The susceptibility of the ferroelectric superlattice A3/B3 system decreases with the increasing of the electric field, implying that the polarization is weak.
Received: 26 October 2004
Revised: 14 February 2005
Accepted manuscript online:
Fund: Project supported by the Natural Science Foundation of China(Grant No 50477049) and the Scientific Research Foundation of the Educational Department of Liaoning province (Grant No 2004C006) and the Natural Science Foundation of Liaoning province (Grant N
Cite this article:
Jiang Wei (姜伟), Lo Veng-Cheong (罗永祥), Bai Bao-Dong (白保东) Physical properties of ferroelectric superlattice A3/B3 system in electric field 2005 Chinese Physics 14 1243
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