The result shows that when the thickness of the sample is 2?mm and y=0.12 there are two absorption peaks; the highest is 22?dB and the effective band width of more than 10?dB reaches 6.2?GHz.

• 样品厚度为2 mm、y为0.；12时；有2个吸收峰；吸收峰值最高达22 dB；10 dB以上吸收频带宽度达6