Tuning the Microwave Dielectric Properties of Nd sub(0.96) Yb sub(0.04)(Mg sub(0.5) Sn sub(0.5))O sub(3) by Introducing Ca sub(0.8) Sr sub(0.2) TiO sub(3)

The influence of sintering temperature on the microwave dielectric properties and microstructure of the (1-y)Nd sub(0.96) Yb sub(0.04)(Mg sub(0.5) Sn sub(0.5))O sub(3)-yCa sub(0.8) Sr sub(0.) sub(2) TiO sub(3) ceramic system were investigated with a view to their application in microwave devices. The (1-y)Nd sub(0.96) Yb sub(0.04)(Mg sub(0.5) Sn sub(0.5))O sub(3)-yCa sub(0.8) Sr sub(0.) sub(2) TiO sub(3) ceramic systems were prepared using the conventional solid-state method. The X-ray diffraction patterns of the (1-y)Nd sub(0.96) Yb sub(0.04)(Mg sub(0.5) Sn sub(0.5))O sub(3)-yCa sub(0.8) Sr sub(0.) sub(2) TiO sub(3) ceramic system shifted to higher angle as y increased. A dielectric constant of 38.2, a quality factor (Qxf) of 53,500 GHz, and a temperature coefficient of resonant frequency of-3 ppm/[degrees]Cwere obtained when the 0.4 Nd sub(0.96) Yb sub(0.04)(Mg sub(0.5) Sn sub(0.5))O sub(3)-0.6Ca sub(0.8) Sr sub(0.) sub(2) TiO sub(3) ceramic system was sintered at 1600 [degrees]C for 4h.