Complete ubic octahedral crystal shape,high strength and thermal stability. 具有完整的立方八面体晶形，高强度和热稳定性。
The crystal form of the product gained by conventional heating is smooth, while it is lumpish for the product gained by microwave heating. 常规加热法合成样品的晶形较为圆滑，而微波合成样品为块状。
