Subnanoscale Ion Beam Modification-Assisted Smoothing of Heterostructure Surfaces
Shuohua Zhang,
Xiaoguang Guo,
Zhuji Jin
et al.
Abstract:Glass ceramic (GC) is the most promising material for objective lenses for extreme ultraviolet lithography that must meet the subnanometer precision, which is characterized by low values of high spatial frequency surface roughness (HSFR). However, the HSFR of GC is typically degraded during ion beam figuring (IBF). Herein, a developed method for constructing molecular dynamics (MD) models of GC was presented, and the formation mechanisms of surface morphologies were investigated. The results indicated that the… Show more
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