Synthesis and Microwave Dielectric Properties of A16V18O61 (A = Ba, Sr and Ca) Ceramics for LTCC Applications

Low-temperature co-firable A 16 V 18 O 61 (A = Ba, Sr, Ca) ceramics have been prepared through the solid state ceramic route. The structural features of these ceramics have been studied using the x-ray diffraction (XRD) technique. The existence of the A 16 V 18 O 61 (A = Ba, Sr, Ca) ceramic phase wa...

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Bibliographic Details
Published in:Journal of electronic materials 2016-06, Vol.45 (6), p.2996-3002
Main Authors: Suresh, E. K., Prasad, K., Arun, N. S., Ratheesh, R.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Electronics and Microelectronics
Instrumentation
Materials Science
Optical and Electronic Materials
Solid State Physics
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Summary:Low-temperature co-firable A 16 V 18 O 61 (A = Ba, Sr, Ca) ceramics have been prepared through the solid state ceramic route. The structural features of these ceramics have been studied using the x-ray diffraction (XRD) technique. The existence of the A 16 V 18 O 61 (A = Ba, Sr, Ca) ceramic phase was confirmed through laser Raman spectroscopic studies. Scanning electron microscopy analysis revealed a dense microstructure for the ceramics with closely packed polygonal grains. Among the samples studied, Ba 16 V 18 O 61 ceramic was prepared in the ultralow sintering temperature of 620°C for 1 h, which can be co-firable with an aluminium electrode. XRD and electron dispersive spectroscopy analyses showed that the samples under study have excellent compatibility with metal electrodes. The microwave dielectric properties measured using a vector network analyzer revealed that A 16 V 18 O 61 (A = Ba, Sr, Ca) ceramics have excellent unloaded quality factors.
ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-016-4388-6