用交替射频磁控溅射法在石英基片上沉积并退火制备了ZrW2O8薄膜,测量了薄膜与基片之间的结合力和薄膜厚度,研究了薄膜的负热膨胀特性.结果表明:用磁控溅射方法制备的薄膜为非晶态,表面平滑、呈颗粒状,在1200℃热处理3 min后得到立方相ZrW2O8薄膜,结晶薄膜的颗粒长大,薄膜与基片之间有良好的结合力.立方相ZrW2O8薄膜在15-200℃热膨胀系数为-24.81×10-6K-1,200-700℃热膨胀系数为-4.78×10-6K-1,平均热膨胀系数为-10.08×10-6K-1.
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