Relaxor Behavior of Lead-Free Nonstoichiometric (Na_{0.48-x}K_{0.48-x}Li_{0.04})Nb_{0.89-x}Ta_{0.05}Sb_{0.06}O₃-xSrTiO₃Ceramics

Hsiu-Hsien Su; Cheng-Shong Hong; Cheng-Che Tsai; Sheng-Yuan Chu

doi:10.1149/2.0151708jss

journal article·2017

Relaxor Behavior of Lead-Free Nonstoichiometric (Na_0.48-xK_0.48-xLi_0.04)Nb_0.89-xTa_0.05Sb_0.06O₃-xSrTiO₃Ceramics

Hsiu-Hsien Su, Cheng-Shong Hong, Cheng-Che Tsai, Sheng-Yuan Chu

ECS Journal of Solid State Science and Technology· Volume 6· Issue 8

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Source abstract

Abstract

In the present work, the effects of SrTiO3 are investigated for nonstoichiometric (Na0.48-xK0.48-xLi0.04Srx)Nb0.89-xTixTa0.05Sb0.06O3 lead-free relaxor ferroelectric ceramics synthesized using a solid-state reaction method. The empirical law, two ordering models, the spin-glass model and the Curie–Weiss law are used to appraise the dielectric behavior. According to the fitting results and experimental data, the dielectric properties exhibit strong temperature-dependent characteristics with increasing amounts of SrTiO3 dopant, which is attributed to the disorder of the cations being significantly enhanced.

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Research context

Ceramics & glasses Electronic materials

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Multiferroics and related materials · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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