Hunting for Monolayer Boron Nitride: Optical and Raman Signatures

Abstract

We describe the identification of single- and few- layer boron nitride. Its optical contrast is much smaller than that of graphene but even monolayers are discernable by optimizing viewing conditions. Raman spectroscopy can be used to confirm BN monolayers. They exhibit an upshift in the fundamental Raman mode by up to 4 cm-1. The number of layers in thicker crystals can be counted by exploiting an integer-step increase in the Raman intensity and optical contrast.

References in corpus (11)

• Electric Field Effect in Atomically Thin Carbon Films
• The Raman Fingerprint of Graphene
• Two Dimensional Atomic Crystals
• Boron nitride substrates for high-quality graphene electronics
• Uniaxial Strain in Graphene by Raman Spectroscopy: G peak splitting, Gruneisen Parameters and Sample Orientation
• Making graphene visible
• Raman Fingerprint of Charged Impurities in Graphene
• Bose-Einstein Condensation of Excitons in Bilayer Electron Systems
• Rayleigh Imaging of Graphene and Graphene Layers
• Effect of high-k environment on charge carrier mobility in graphene
• Room-Temperature Superfluidity in Graphene Bilayers

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