第36卷  第6期      西 安 交 通 大 学 学 报 Vol.36 No6
2002年6月

Journal of Xi'an Jiaotong Universtity

Jun 2002

Explosive to Electrical Power with Ferroelectric-Antiferroelectric Transitions
Feng Yujun,Xu Zhuo,Zheng Shuguang,Jin An,Yao Xi
(Electronic Materials Research Laboratory,Xi'an Jiaotong University,Xi'an 710049,China)
retue.gif (1614 字节)zwb.gif (1647 字节)
Abstract:In order to establish the relation between released elecrical energy and applied fields, ferroelectricantiferroelctric phase transition characteristics of modified lead zirconate titante compounds were measured by using dielectric hysteresis, hydrostatic pressure,pyroelectric methods, and the electrical output on capacitance and resistance loads were analyzed theoretically. It was obtained that the electrical output was proportional to the square of surface electric charge amounts and inverse to phase transition time of material. Based on above results it was put forward an approach of increasing output.Improving the verticality of dielectric hysteresis loop could increase the surface charge density and also reduce the phase transition time of material.
Keywords:explosive to electrical power;ferroelectric-antiferroelectric transitions;electrical output