Lattice dynamics in mono- and few-layer sheets of WS2 and WSe2

Nanoscale , 2013, Advance Article

DOI: 10.1039/C3NR03052K, Paper

Weijie Zhao, Zohreh Ghorannevis, Kiran Kumar Amara, Jing Ren Pang, Minglin Toh, Xin Zhang, Christian Kloc, Ping Heng Tan, Goki Eda

Characteristic A_1g and E_2g ¹ phonon modes for WS₂ and WSe₂ show distinct thickness dependence, which allows rapid identification of layer thickness.

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