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JOURNAL OF MATERIALS SCIENCE 36 (2001) 3909 3917 Fine-tuning of temperature coefficients
 

Summary: JOURNAL OF MATERIALS SCIENCE 36 (2001) 3909 3917
Fine-tuning of temperature coefficients
of capacitance (TCC) and dielectric constant (TCK)
of Mg2SnO4 via second phase addition
A.-M. AZAD
Advanced Materials Research Center, SIRIM Berhad, P O Box 7035,
40911 Shah Alam, Selangor, Malaysia
E-mail: azad@nextechmaterials.com
Fine-tuning of the temperature coefficients of capacitance and dielectric constant of
magnesium orthostannate (Mg2SnO4) has been attempted by means of Sn (IV) and Zr (IV)
oxide incorporation as a second phase. The additives were also employed to enhance the
density and minimize or eliminate porosity at lower sintering temperatures. Phase-pure
magnesium stannate powder was synthesized via conventional solid-state reaction. It was
mixed with ZrO2 and/or SnO2 and sintered in the temperature range 1500
1600
C for up to
6 h. Electrical measurements using an AC immittance spectroscopic technique over the
temperature range 25
300
C, on Mg2SnO4 compacts containing 5 wt.% of additives and

  

Source: Azad, Abdul-Majeed - Department of Chemical and Environmental Engineering, University of Toledo

 

Collections: Materials Science; Energy Storage, Conversion and Utilization