我院师生最新论文在Materials Research Bulletin上发表

 Ying Liu(刘颖，博士生), Xiaoming Yang, Fachun Lai(赖发春), Zhigao Huang(黄志高), Xiuzhi Li, Zujian Wang, Chao He, Ju Lin, Xifa Long, Structure and properties of Pb(Lu_1/2Nb_1/2)O₃–0.2PbTiO₃ relaxor ferroelectric crystal, Materials Research Bulletin 67, 83-86 (2005).

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Abstract

Ferroelectric crystal Pb(Lu_1/2Nb_1/2)O₃–0.2PbTiO₃ (PLN–0.2PT) was successfully obtained by a top-seed solution growth technique. At room temperature the symmetry was orthorhomic according to X-ray diffraction (XRD). The super-lattice reflections were identified by XRD and transmission electron microscope (TEM). The micro-domain structure was detected by TEM. The temperature dependence of the dielectric constant (ϵ’) shows a typical relaxor behavior. The temperature dependence of coercive electric field and remnant polarizations were investigated, which also shows the relaxor feature.

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