Nanofabrication of SiC templates for direct hot embossing for metallic photonic structures and meta materials

Chen, Yifang, Zhou, Yun, Pan, Genhua, Huq, Ejaz, Lu, Bing-Rui, Xie, Shen-Qi, Wan, Jing, Shu, Zhen, Qu, Xin-Ping, Liu, Ran, Banu, S., Birtwell, S.W. and Jiang, Liudi (2008) Nanofabrication of SiC templates for direct hot embossing for metallic photonic structures and meta materials. [in special issue: Proceedings of the Micro- and Nano-Engineering 2007 Conference - MNE 2007] Microelectronic Engineering, 85 (5-6), 1147-1151. (doi:10.1016/j.mee.2008.01.002).

Abstract

A reliable nanofabrication process for hard templates in SiC amorphous film was developed. The process involves high resolution electron beam lithography and reactive ion etch for nanosize structures in SiC. Study of the RIE property in SiC narrow trenches and dot array indicates that various profiles of sidewall can be achieved by controlling the etch power and ratio of fluorine-based gas mixture. It was also discovered that SiC material is RIE lag free in dry etch, which opens up a broader applications for deep and narrow structures. Applications of SiC templates for hot embossing into metals and plastics prove that the SiC templates formed in amorphous film are hard enough for the fabrications of metallic photonic structures and meta materials.

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Contributors

Author: Liudi Jiang

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