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Direct Nanoscale Pyroelectric Characterization of a CuInPS van der Waals Nanogenerator
Valentin Fonck, Roop K. Mech, Mohammadali Razeghi +8
Pyroelectric energy conversion offers a route for harvesting time-dependent thermalfluctuations that are abundant in natural and technological environments. Twodimensional ferroele…
Thermal transport mapping in twisted double bilayer graphene
Roop Kumar Mech, Alessandra Canetta, Yubin Huang +13
Two-dimensional (2D) materials have attracted significant interest due to their tunable physical properties when stacked into homo- and hetero-structures. Twisting adjacent layers…
Versatile polymer method to dry-flip two-dimensional moiré hetero structures for nanoscale surface characterization
Roop Kumar Mech, Jean Spièce, Kenji Watanabe +2
The recent discovery of magic angle twisted bilayer graphene (MATBG), in which two sheets of monolayer graphene are precisely stacked to a specific angle, has opened up a plethora…