Effects of substrate bias and temperature on the structure and dielectric properties of TixZr1−xNy ternary nitride thin films

Yujing Ran, Huiping Lu, Shujun Zhao, Liuwei Jia, Yinglan Li, Zhaotan Jiang, Zhi Wang*

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

12 引用 (Scopus)

摘要

Transition metal nitrides have become a kind of promising alternative plasmonic materials. TixZr1−xNy ternary nitride films were prepared by magnetron co-sputtering method, and the effects of bias voltage and temperature on the structure and dielectric properties of the films were investigated. The experimental results show that all the films are fcc-structured, and high substrate bias and temperature can significantly improve the N and Ti content. Increasing substrate bias voltage or temperature can reduce the crossover frequency ωc at which the films transit from dielectric to metallic phase. Also, a high bias can greatly influence the energy loss of the films. Furthermore, the plasmonic quality factor can be effectively tailored by bias and temperature. Increasing bias can decrease the quality factor while high temperature (600 °C) can enhance the quality factor significantly. The study demonstrates that the TixZr1−xNy films, as one kind of alternative plamonic materials, have considerable performances, and their dielectric and plasmonic properties can be modulated by varying the bias voltage and temperature in a wide range.

源语言英语
页(从-至)258-264
页数7
期刊Surface and Coatings Technology
359
DOI
出版状态已出版 - 15 2月 2019

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