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Infrared study of Large scale h-BN film and Graphene/h-BN heterostructure
Kwangnam Yu, Jiho Kim, Chul Lee +5
We synthesize a series of CVD h-BN films and perform critical infrared spectroscopic characterization. For high-temperature (HT, Temp = 1400 degrees) grown h-BN thin film only E1u-…
Water-Gated Charge Doping of Graphene Induced by Mica Substrates
Jihye Shim, Chun Hung Lui, Taeg Yeoung Ko +4
We report on the existence of water-gated charge doping of graphene deposited on atomically flat mica substrates. Molecular films of water in units of ~0.4 nm-thick bilayers were f…
Atmospheric Oxygen Binding and Hole Doping in Deformed Graphene on a SiO2 Substrate
Sunmin Ryu, Li Liu, Stephane Berciaud +5
Using micro-Raman spectroscopy and scanning tunneling microscopy, we study the relationship between structural distortion and electrical hole doping of graphene on a silicon dioxid…
Near-field Optical Spectroscopy and Microscopy of Laterally Coupled Quantum Dots: Bonding and Antibonding States
Young-Jun Yu, Haneol Noh, Gun Sang Jeon +2
We report on high-resolution photoluminescence (PL) spectroscopic and microscopic study of laterally coupled InAs/GaAs self-assembled quantum dots by using a low-temperature near-f…