The white ZnO-based powders were granulated and uniaxially pressed into disks with 1.0 mm thickness and 11 mm diameter. The disks were sintered at 1250 °C for 2 h in static air with heating and cooling at 4 °C/min
The white ZnO-based powders were granulated and uniaxially pressed into disks with 1.0 mm thickness and 11 mm diameter. The disks were sintered at 1250 °C for 2 h in static air with heating and cooling at 4 °C/min