Shifts in plasmon resonance due to charging of a nanodisk array in argon plasma Ian Lapsley, Michael and Shahravan, Anaram and Hao, Qingzhen and Krishna Juluri, Bala and Giardinelli, Stephen and Lu, Mengqian and Zhao, Yanhui and Chiang, I-Kao and Matsoukas, Themis and Jun Huang, Tony, Applied Physics Letters, 100, 101903 (2012), DOI: