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首页> 外文期刊>Applied Surface Science >Effect of deposition parameters on morphology and size of FeCo nanoparticles synthesized by pulsed laser ablation deposition
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Effect of deposition parameters on morphology and size of FeCo nanoparticles synthesized by pulsed laser ablation deposition

机译：沉积参数对脉冲激光烧蚀沉积合成的FeCo纳米粒子的形貌和尺寸的影响

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摘要

The experimental parameters that control the surface morphology and size of iron cobalt nanoparticles synthesized at room temperature by pulsed laser ablation deposition (PLAD) technique have been systematically investigated. The nanoparticle synthesis has been achieved at higher operating gas pressures of argon. It was found that nanoparticles upon deposition formed small clusters, the size of which increases with decreasing pressure, increasing laser-energy density, and decreasing target-to-substrate distance. This trend could be attributed to change in the kinetic energy of deposited nanoparticles with varying argon pressure, laser-energy, and target-to-substrate distance. The nanoparticles size and size distribution showed strong dependence on argon pressure and weak dependence on laser-energy density and target-to-substrate distance.
机译：系统地研究了控制室温下通过脉冲激光烧蚀沉积（PLAD）合成的铁钴纳米颗粒的表面形态和尺寸的实验参数。在较高的氩气工作压力下已经实现了纳米颗粒的合成。发现在沉积时纳米颗粒形成小的簇，簇的尺寸随着压力降低，激光能量密度的增加以及靶到衬底的距离的减小而增大。这种趋势可以归因于随着氩气压力，激光能量和靶到基底距离的变化，沉积的纳米颗粒的动能的变化。纳米粒子的大小和大小分布显示出对氩气压力的强烈依赖性，而对激光能量密度和靶到基板距离的依赖性则较弱。

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