1. S. Gupta, A. Saxena, MRS Bull. News Feature, Oct. 18 (2016); F. Ghahari, D. Walkup, C. Gutiérrez, J.F.R.- Nieva, Y. Zhao, J. Wyrick, F.D. Natterer, W.G. Cullen, K. Watanabe, T. Taniguchi, L.S. Leitov, N.B. Zhitenev, J.A. Stroscio, Science 356, 845 (2017)
2. S. Gupta, A. Saxena, MRS Bull. 39, 265 (2014)
3. S. Gupta, A. Saxena, J. Raman Spectrosc. 40, 1127 (2009)
4. S. Gupta, A. Saxena, J. Appl. Phys. 109, 074316 (2011)
5. S. Gupta, A. Saxena, J. Appl. Phys. 112, 114316 (2012)