小面晶体场离子显微术中的图像变形
Image deformation in field ion microscopy of faceted crystals
摘要：
我们进行详细的数值模拟的场离子显微镜图像的多面晶体，并将它们与实验观察。与具有光滑表面的晶体的情况相反，对于多面地形，我们发现离子图像的极端变形。局部放大率是高度不均匀的，可能会有一个数量级的变化：从0.64到6.7。此外，位于刻面边缘上的点处的放大率的各向异性可以达到10倍。
英文摘要：
We perform detailed numerical simulations of field ion microscopy images of faceted crystals and compare them with experimental observations. In contrast to the case of crystals with a smooth surface, for a faceted topography we find extreme deformations of the ion image. Local magnification is highly inhomogeneous and may vary by an order of magnitude: from 0.64 to 6.7. Moreover, the anisotropy of the magnification at a point located on the facet edge may reach a factor of 10.
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