Microwave dielectric properties and crystal structures of spinel-structured MgAl2O4 ceramics synthesized by a molten-salt method

2017 ◽  
Vol 37 (3) ◽  
pp. 1001-1006 ◽  
Author(s):  
Susumu Takahashi ◽  
Akinori Kan ◽  
Hirotaka Ogawa
Keyword(s):  
Dielectric Properties ◽  
Molten Salt ◽  
Crystal Structures ◽  
Microwave Dielectric Properties ◽  
Molten Salt Method ◽  
Microwave Dielectric

Microwave dielectric properties of Ba5Nb4O15 ceramic by molten salt method

2009 ◽  
Vol 21 (9) ◽  
pp. 939-942 ◽  
Author(s):  
Huanfu Zhou ◽  
Xiuli Chen ◽  
Liang Fang ◽  
Changzheng Hu ◽  
Hong Wang
Keyword(s):  
Dielectric Properties ◽  
Molten Salt ◽  
Microwave Dielectric Properties ◽  
Molten Salt Method ◽  
Microwave Dielectric

Crystal Structures and Microwave Dielectric Properties of (Ba1-xSrx)La4Ti4O15 (x=0.8-0.95) Ceramics

2012 ◽  
Vol 27 (3) ◽  
pp. 281-284 ◽  
Author(s):  
Lin LIU ◽  
You-Wei FANG ◽  
Xin-Feng DENG ◽  
Wen-Dong ZHUANG ◽  
Bin TANG ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Crystal Structures ◽  
Microwave Dielectric Properties ◽  
Microwave Dielectric

Microwave characteristics of BaPr2Ti4O12 and BaPr2Ti5O14 ceramics

1995 ◽  
Vol 10 (2) ◽  
pp. 312-319 ◽  
Author(s):  
Koichi Fukuda ◽  
Ryozo Kitoh ◽  
Ikuo Awai
Keyword(s):  
Solid Solution ◽  
Dielectric Properties ◽  
Crystal Structures ◽  
Microwave Dielectric Properties ◽  
Far Infrared ◽  
Reflection Spectra ◽  
Microwave Dielectric ◽  
Infrared Reflection ◽  
The Relationship ◽  
Microwave Characteristics

Microwave dielectric properties and microstructures of BaPr2Ti4O12 and BaPr2Ti5O14 ceramics which have extremely similar crystal structures, were investigated, including those of the solid solution represented by the formula of Ba6−xPr8+2x/3Ti18O54 ceramics. It is suggested that BaPr2Ti5O14 ceramics are composed of mixed phases, approximately 85.0 vol. % Ba4.05Pr9.3Ti18O54 (x = 1.95), 8.1 vol. % TiO2, and 6.9 vol. % BaTi4O9. The microwave dielectric properties of the Ba6−xPr8+2x/3Ti18O54 system are strongly dependent on the x value, which is interesting for studying the relationship between microstructures and dielectric properties. Far infrared reflection spectra were also measured to study the mixed phases formed in these ceramics in more detail.

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