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Title: Correlations of dielectric properties with electronic structure and phonon vibration of low loss tunable Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y}Mn{sub y}O{sub 3} ceramics

Abstract

Correlations of dielectric properties with electronic structure and phonon vibration of Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y} Mn{sub y}O{sub 3} (y = 0.00-0.20) ceramics were studied by using spectroscopic techniques. High level of Mn substitution prevented the reduction of Ti{sup 4+} and enhanced the charge ordering of Ti{sup 3+}/Ti{sup 4+}, leading to materials with high Q values. An increase in the concentration of Mn resulted in hardening of the softest mode, which led to a reduction in relative permittivity, dielectric loss, and tunability with increasing y. Raman spectra revealed that higher vibration frequency of Ti-O bonds was related to lower relative permittivity, and narrower width of Mn-O stretching corresponded to a higher Q x f.

Authors:
 [1];  [2];  [2];  [1];  [2];  [1]
  1. Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, 1239 Siping Road, Shanghai 200092 (China)
  2. (China)
Publication Date:
OSTI Identifier:
22036678
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 110; Journal Issue: 3; Other Information: (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; BARIUM COMPOUNDS; CERAMICS; CHEMICAL BONDS; CORRELATIONS; DIELECTRIC MATERIALS; ELECTRONIC STRUCTURE; HARDENING; MANGANATES; MANGANESE; PERMITTIVITY; PHONONS; RAMAN SPECTRA; RELAXATION LOSSES; STRONTIUM COMPOUNDS; TITANIUM COMPOUNDS; TITANIUM IONS; X-RAY PHOTOELECTRON SPECTROSCOPY

Citation Formats

Zhang Jingji, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, College of Materials Science and Engineering, China Jiliang University, 258 Xueyuan Street, Hangzhou, Zhai Jiwei, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, and Zhang Yewen. Correlations of dielectric properties with electronic structure and phonon vibration of low loss tunable Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y}Mn{sub y}O{sub 3} ceramics. United States: N. p., 2011. Web. doi:10.1063/1.3622337.
Zhang Jingji, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, College of Materials Science and Engineering, China Jiliang University, 258 Xueyuan Street, Hangzhou, Zhai Jiwei, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, & Zhang Yewen. Correlations of dielectric properties with electronic structure and phonon vibration of low loss tunable Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y}Mn{sub y}O{sub 3} ceramics. United States. doi:10.1063/1.3622337.
Zhang Jingji, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, College of Materials Science and Engineering, China Jiliang University, 258 Xueyuan Street, Hangzhou, Zhai Jiwei, Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai, and Zhang Yewen. Mon . "Correlations of dielectric properties with electronic structure and phonon vibration of low loss tunable Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y}Mn{sub y}O{sub 3} ceramics". United States. doi:10.1063/1.3622337.
@article{osti_22036678,
title = {Correlations of dielectric properties with electronic structure and phonon vibration of low loss tunable Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y}Mn{sub y}O{sub 3} ceramics},
author = {Zhang Jingji and Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai and College of Materials Science and Engineering, China Jiliang University, 258 Xueyuan Street, Hangzhou and Zhai Jiwei and Functional Materials Research Laboratory, Tongji University, 1239 Siping Road, Shanghai and Zhang Yewen},
abstractNote = {Correlations of dielectric properties with electronic structure and phonon vibration of Ba{sub 0.4}Sr{sub 0.6}Ti{sub 1-y} Mn{sub y}O{sub 3} (y = 0.00-0.20) ceramics were studied by using spectroscopic techniques. High level of Mn substitution prevented the reduction of Ti{sup 4+} and enhanced the charge ordering of Ti{sup 3+}/Ti{sup 4+}, leading to materials with high Q values. An increase in the concentration of Mn resulted in hardening of the softest mode, which led to a reduction in relative permittivity, dielectric loss, and tunability with increasing y. Raman spectra revealed that higher vibration frequency of Ti-O bonds was related to lower relative permittivity, and narrower width of Mn-O stretching corresponded to a higher Q x f.},
doi = {10.1063/1.3622337},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 3,
volume = 110,
place = {United States},
year = {2011},
month = {8}
}