Abstract With the rapid development of modern multi-band detection technology, stealth materials face unprecedented severe challenges. At present, it is still a difficult problem to achieve infrared–visible compatible stealth. By magnetron co-sputtering method, we prepare Al@SiO2 nanoparticle composite films with different thicknesses. With the film thickness increasing, the reflection increases in the broad infrared range (3 ~ 14 μm) and decreases in the whole visible band (300 nm ~ 800 nm) significantly. When the film thickness is optimized to 172 nm, the reflectivity is up to 96% in the broad infrared range and down to 35% in the whole visible range. Excellent infrared and visible spectra control, cheap source materials and simple fabrication method endow Al@SiO2 nanoparticle composite films important applications in infrared–visible compatible stealth and photothermal management.

中文翻译：

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红外可见隐身Al@SiO2纳米复合薄膜的制备、表征与模拟

摘要 随着现代多波段探测技术的飞速发展，隐身材料面临着前所未有的严峻挑战。目前，实现红外-可见光兼容隐身仍然是一个难题。通过磁控共溅射法制备了不同厚度的Al@SiO2纳米颗粒复合薄膜。随着薄膜厚度的增加，在较宽的红外范围（3~14 μm）反射增加，在整个可见波段（300 nm~800 nm）显着降低。当薄膜厚度优化到 172 nm 时，在宽红外范围内反射率高达 96%，在整个可见光范围内反射率下降至 35%。出色的红外和可见光谱控制，