Author Affiliations

J. H. Kang,^1,+ Y. Cho,^1,+ L. Liang,^2,+ X. Kong,² S. Ghosh,³ F. Kargar,³ C. Hu,⁴ A. A. Balandin,³ D. Geohegan,² A. A. Puretzky,² N. Ni,⁴ and C. W. Wong¹

¹Fang Lu Mesoscopic Optics and Quantum Electronics Laboratory, University of California, Los Angeles, CA 90095, USA

²Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

³Phonon Optimized Engineered Materials (POEM) Center, Department of Electrical and Computer Engineering, University of California,Riverside, CA 92521, USA

⁴Department of Physics and Astronomy and California Nano Systems Institute, University of California, Los Angeles, CA 90095, USA

⁺J. H. Kang, Y. Cho, and L. Liang contributed equally to this work.