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ASAD ALI1,* , SARIR UDDIN2, ZAFAR IQBAL1, MADAN LAL3, ABID ZAMAN1
- Department of physics, Riphah International University, Islamabad 44000, Pakistan
- Department of physics, Govt. Degree College Hayatabad, Peshawar 25000, Pakistan
- Department of Physics, Akal College Basic Sciences, Eternal University HP, 173101, India
Ceramic composition of Barium tetra titanate (BaTi4O9) is prepared via conventional solid state, mixed oxides route.The XRD revealed a single phase orthorhombic (Amm2)structured BaTi4O9compound calcined at 1250 °C for 2 h in air. Thevalues of the relative permittivity (εr) varied from∼38 to 43 and quality factor (Q ×f) from∼27000 to 39000 GHzat 3 GHz frequency with increasing sintering temperatures ranging from 1500 °C to 1580 °C in air. The microwave dielectric properties of the sintered ceramicsample depend considerably on sintering temperature and their microstructure. BaTi4O9 can be a promising microwave dielectric material for microwave applications..
Barium tetratitanate, Mixed oxide route, Microstructure, Dielectric resonator.
Submitted at: May 29, 2020
Accepted at: Feb. 15, 2021
ASAD ALI, SARIR UDDIN, ZAFAR IQBAL, MADAN LAL, ABID ZAMAN, Structural, optical and microwave dielectric properties of barium tetra titanate (BaTi4O9) ceramics, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 1-2, pp. 48-52 (2021)
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