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Browsing by Subject "Microwave dielectric properties"

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(1-x)MgAl2O4-xTiO(2) dielectrics for microwave and millimeter wave applications

Surendran, K P; Bijumon, P V; Mohanan, P; Sebastian, M T (Springer, 2005)

The MgAl2O4 ceramics were prepared by the conventional solid-state ceramic route and the dielectric properties studied in the microwave frequency region (3-13 GHz). The phase purity and crystal structure were identified ...
Effect of Lithium-based Glass Addition on the Microwave Dielectric Properties of Ca[(Li1/3Nb2/3)1−xTix]O3−δ Ceramics for LTCC Applications

Sumesh, G; Sebastian, M T (Elsevier, 2009-04-03)

The Ca[(Li1/3Nb2/3)1−xTix]O3−δ (x = 0.2 and 0.25) (CLNT) ceramics with lithium borosilicate (LBS) and lithium magnesium zinc borosilicate (LMZBS) glasses were prepared by conventional solid state ceramic route. The effect ...
Effect of nonstoichiometry on the structure and microwave dielectric properties of Ba(Mg0.33Ta0.67)O-3

Surendran, K P; Sebastian, M T; Mohanan, P; Moreira, R L; Dias, A (American Chemical Society, 2005)

The effect of a slight A- and B-site cation nonstoichiometry on the structure, densification, and microwave dielectric properties of Ba(Mg1/3Ta2/3)O-3 (BMT) was investigated. Magnesium and barium nonstoichiometric compositions ...
Electrical and thermal properties of low permittivity Sr2Al2SiO7 ceramic ﬁlled HDPE composites

Manu, K M; Ananthakumar, S; Sebastian, M T (Elsevier, 2013)

The feasibility of low permittivity Sr2Al2SiO7 (SAS) ceramic filled high density polyethylene (HDPE) composites for substrate and packaging applications has been investigated in this paper. The composites were prepared by ...
Ferroelectric and incipient ferroelectric properties of a novel Sr9-xPbxCe2Ti2O36(x=0-9) ceramic system

Kamba, S; Savinov, M; Laufek, F; Tkac, O; Kadlec, C; Veljko, S; Elizabeth, J J; Subodh, G; Sebastian, M T; Klementova, M; Bovtun, V; Pokorny, J; Goian, V; Petzelt, J (American Chemical Society, 2009)

Sr9-xPbxCe2Ti12O36 system is derived from the perovskite SrTiO3 and its chemical formula can be written as (Sr1-yPby)(0.75)Ce0.167TiO3. We investigated dielectric response of Sr9-xPbxCe2Ti12O36 ceramics (x = 0-9) between ...
Microwave dielectric and elastic properties of glass-added Ba6-3xR8+2xTi18O54 (x=2/3)

Santha, A; Sebastian, M T; Vimala George; Philip, J (Elsevier, 2006)

Microwave dielectric properties of Ba6-3xSm8+2xTi18O54(x=2/3) [BST] ceramics with the addition of 0-3wt.% of various glasses have been studied. It has been found that the addition of 0.5wt.% of the glasses decreases the ...
Tailoring the microwave dielectric properties of Ca5Ta2TiO12 ceramics through glass addition

Bijumon, P V; Sebastian, M T (Blackwell Publishing, 2005)

Microwave dielectric properties of polycrystalline Ca5Ta2TiO12 ceramics have been tailored using different glass additives. Several glasses such as B2O3, SiO2, B2O3-SiO2, ZnO-B2O3, Al2O3-SiO2, Al2O3-B2O3-SiO2, BaO-B2O3-SiO2, ...
Temperature compensated Sr2Al2SiO7 ceramic for microwave applications

Manu, K M; Tony Joseph; Sebastian, M T (Elsevier, 2012-03-15)

The Sr–Gehlenite (Sr2Al2SiO7) ceramic has been prepared by the conventional solid-state ceramic route.Phase pure Sr2Al2SiO7 (SAS) ceramic sintered at 1525 ◦C for 4 h has εr = 7.2 and Qu × f = 33,000 GHz. The SAS showed ...

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