Sunku, Sai S.; Halbertal, Dorri; Engelke, Rebecca; Yoo, Hyobin; Finney, Nathan R.; Curreli, Nicola; Ni, Guangxin; Tan, Cheng; McLeod, Alexander S.; Lo, Chiu Fan Bowen; Dean, Cory R.; Hone, James C.; Kim, Philip; Basov, D. N.
Nano Letters, Vol.21 No.4, pp.1688-1693