Microwave properties of Ba(Mg1/3Ta2/3)O3, Ba(Mg1/3Nb2/3)O3 and Ba(Co1/3Nb2/3)O3 ceramics revealed by Raman scattering
โ Scribed by M.-Y. Chen; C.-T. Chia; I.-N. Lin; L.-J. Lin; C.-W. Ahn; Shan Nahm
- Book ID
- 108170121
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 360 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0955-2219
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This paper discusses the difference in permittivity at infrared frequencies between Ba(Mg 1/3 Ta 2/3 )O 3 (BMT) and Ba(Mg 1/3 Nb 2/3 )O 3 (BMN) based on a first-principles calculation. The permittivity, far-infrared and Raman spectra are successfully computed. Analysis of these results shows that th
The sinterability of Ba(Mgl/3Ta2/3)O 3 ceramics synthesized by solid-state-reaction methods was investigated. The poor sinterability of the present ceramics was found to be primarily due to the presence of satellite secondary phases of BasTa4015 and Ba4Ta20 ~, and the nearly complete densification o
Nanocrystalline Ba(Mg 1/3 Nb 2/3 )O 3 (BMN) powders were successfully synthesized through a modified combustion synthesis method by using Ba(NO 3 ) 2 , Mg(NO 3 ) 3 โข6H 2 O and Nb 2 O 5 as starting materials. Gel precursor and calcined powders were characterized by thermogravimetric (TG), differentia