Zntio3 Energiespeicherkeramik
The low-fired (ZnMg)TiO3–TiO2 (ZMT–TiO2) microwave ceramics using low melting point CaO–B2O3–SiO2 as sintering aids have been developed. The influences of Mg substituted fraction on the crystal structure and microwave properties of (Zn1−x Mg x )TiO3 were investigated. The result reveals that the sufficient amount of Mg (x ≥ 0.3) could inhibit the
Why is zntio 3 a good dielectric ceramic?
The compound ZnTiO 3 is an attractive dielectric ceramic owing to its good dielectric properties at high frequency range ( = 21, tan () < 10, ≅ −55 ppm/°C) and its relatively low sintering temperature (below 1200 °C).
How is zntio 3 synthesized?
ZnTiO 3 powders have been synthesized successfully by solid state reaction. The best conditions for the formation of ZnTiO 3 have been found to be 800 °C and 24 h thermal treatment. The grain size of ZnTiO 3 powders calcined at various temperatures was about 0.5–1.0 μm.
What is the temperature of zntio 3 phase formation?
DSC analysis revealed the temperature of ZnTiO 3 phase formation to be about 820 °C, the activation energies for the formation of ZnTiO 3 phase was about 327.14 kJ/mol and for grain growth was 48.84 kJ/mol. All these figures were higher than for ZnTiO 3 synthesized by the sol–gel technique.
What are the dielectric properties of zntio 3 -ZSB and zntio 3-zb?
The best dielectric properties are reported on the ZnTiO 3 -ZSB and ZnTiO 3 -ZB11 samples sintered 2 h at 930 °C which exhibit respectively a permittivity of 22 and 20, and a temperature coefficient of the permittivity of 80 and 28 ppm/°C.
How is zntio 3 ceramic prepared?
ZnTiO 3 ceramic was prepared in two simple steps: Titanyl nitrate solution was prepared by controlled hydrolysis of tetra-n-butyl titanate with distilled water; further reaction of formed titanyl hydroxide with 1:1 HNO 3 gives titanyl nitrate.
What is the grain size of zntio 3 powders calcined at different temperatures?
The grain size of ZnTiO 3 powders calcined at various temperatures was about 0.5–1.0 μm. DSC analysis revealed the temperature of ZnTiO 3 phase formation to be about 820 °C, the activation energies for the formation of ZnTiO 3 phase was about 327.14 kJ/mol and for grain growth was 48.84 kJ/mol.