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Low-frequency eigenvibrations of hollow carbon microspheres

机译:空心碳微球的低频本征振动

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Monodisperse hollow carbon microspheres have been fabricated using silica spheres as templates via a three-step chemical vapor deposition method. The vibrational eigenmodes of these hollow carbon microspheres have been measured by Brillouin light scattering. The frequencies of the eigenvibrations of a free surface hollow carbon sphere are also calculated within the framework of the elasticity theory. A comparison of the theoretical and measured frequencies shows that the observed Brillouin peaks are due to the spheroidal modes of the hollow spheres.
机译:已经通过三步化学气相沉积法使用二氧化硅球作为模板制备了单分散的中空碳微球。这些空心碳微球的振动本征模已经通过布里渊光散射法进行了测量。在弹性理论的框架内,还计算了自由表面空心碳球的本征振动频率。理论频率和测量频率的比较表明,观察到的布里渊峰是由于空心球体的球状模态引起的。

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