TY - JOUR
T1 - Dielectric behaviors of Ba(Mg1/3Nb2/3)O3 modified (Na0.5K0.5)NbO3 ceramics
AU - Su, Hsiu Hsien
AU - Hong, Cheng Shong
AU - Tsai, Cheng Che
AU - Chu, Sheng Yuan
N1 - Funding Information:
We gratefully acknowledge the financial support provided from the Ministry of Science and Technology (MOST), Taiwan, ROC (Grant nos. MOST 106-2622-E-006-019-CC3 , MOST 106-2221-E-017-010-MY3 , and MOST 106-2221-E-006-226 ). The author also wishes to thank Hui-Hung Hsih of the Instrument Center, National Cheng Kung University, for her assistance in SEM operation.
Publisher Copyright:
© 2018 Elsevier Ltd and Techna Group S.r.l.
Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2018/5
Y1 - 2018/5
N2 - The effects of Ba(Mg1/3Nb2/3)O3 additives to lead-free (1-x)(Na0.5K0.5)NbO3-xBa(Mg1/3Nb2/3)O3 ceramics have been investigated. XRD patterns, SEM images and Raman spectra have been used to discuss phase structure transitions and microstructure. The dielectric behavior has been also investigated by using the empirical law, the Curie-Weiss law and the spin-glass model. Results show the diffused phase transition behavior to be enhanced by increasing Ba(Mg1/3Nb2/3)O3 addition and the dielectric behavior to be changed to the more short range order of relaxor ferroelectric. Barium and Magnesium cations are suggested to enter into the cation sites and induce the changes of lattice structure, microstructure, compositional fluctuation, cation disorder and correlation of neighboring cluster-sized moments.
AB - The effects of Ba(Mg1/3Nb2/3)O3 additives to lead-free (1-x)(Na0.5K0.5)NbO3-xBa(Mg1/3Nb2/3)O3 ceramics have been investigated. XRD patterns, SEM images and Raman spectra have been used to discuss phase structure transitions and microstructure. The dielectric behavior has been also investigated by using the empirical law, the Curie-Weiss law and the spin-glass model. Results show the diffused phase transition behavior to be enhanced by increasing Ba(Mg1/3Nb2/3)O3 addition and the dielectric behavior to be changed to the more short range order of relaxor ferroelectric. Barium and Magnesium cations are suggested to enter into the cation sites and induce the changes of lattice structure, microstructure, compositional fluctuation, cation disorder and correlation of neighboring cluster-sized moments.
UR - http://www.scopus.com/inward/record.url?scp=85041574812&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85041574812&partnerID=8YFLogxK
U2 - 10.1016/j.ceramint.2018.01.234
DO - 10.1016/j.ceramint.2018.01.234
M3 - Article
AN - SCOPUS:85041574812
SN - 0272-8842
VL - 44
SP - 7955
EP - 7962
JO - Ceramics International
JF - Ceramics International
IS - 7
ER -