Chemical Vapor Deposition Growth of Large Single-Crystal Mono-, Bi

Nov 3, 2017 - Based on the large single-crystal monolayer h-BN domain, the sizes of the as-grown bi- and trilayer h-BN grains are 2 orders of magnitud...
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Chemical Vapor Deposition Growth of Large Single-Crystal Mono‑, Bi‑, Tri-Layer Hexagonal Boron Nitride and Their Interlayer Stacking Yanxin Ji,*,†,∇ Brian Calderon,†,∇ Yimo Han,‡ Paul Cueva,‡ Nicholas R. Jungwirth,‡ Hussain A. Alsalman,†,∓ Jeonghyun Hwang,† Gregory D. Fuchs,‡ David A. Muller,‡,§ and Michael G. Spencer*,†,∥ †

School of Electrical and Computer Engineering, Cornell University, Ithaca, New York 14853, United States School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, United States § Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, United States ∥ Morgan State University, Baltimore, Maryland 21215, United States ∓ King Abdulaziz City for Science and Technology (KACST), Riyadh, 6086-11442, Saudi Arabia ‡

S Supporting Information *

ABSTRACT: Two-dimensional hexagonal boron nitride (h-BN) is a wide bandgap material which has promising mechanical and optical properties. Here we report the realization of an initial nucleation density of h-BN