Prominent room temperature valley polarization in WS2/graphene heterostructures grown by chemical vapor deposition
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I. Paradisanos, K. M. McCreary, D. Adinehloo, L. Mouchliadis, J. T. Robinson, H.-J. Chuang, A. T. Hanbicki, V. Perebeinos, B. T. Jonker, E. Stratakis and G. Kioseoglou