David Geohegan Facility User, Center for Nanophase Materials Sciences Contact 865.241.6159 | GEOHEGANDB@ORNL.GOV All Publications Autonomous Synthesis of Thin Film Materials with Pulsed Laser Deposition Enabled by In Situ Spectroscopy and Automation Anomalous isotope effect on the optical bandgap in a monolayer transition metal dichalcogenide semiconductor Role of Curvature in Stabilizing Boron-Doped Nanocorrugated Graphene Armor for Steel: Facile Synthesis of Hexagonal Boron Nitride Films on Various Substrates Molybdenum Disulfide Nanoribbons with Enhanced Edge Nonlinear Response and Photoresponsivity Real-Time Diagnostics of 2D Crystal Transformations by Pulsed Laser Deposition: Controlled Synthesis of Janus WSSe Monolayers and Alloys Laser synthesis and processing of atomically thin 2D materials Stabilized Synthesis of 2D Verbeekite: Monoclinic PdSe 2 Crystals with High Mobility and In-Plane Optical and Electrical Anisotropy Photoluminescence Induced by Substitutional Nitrogen in Single-Layer Tungsten Disulfide Janus Monolayers for Ultrafast and Directional Charge Transfer in Transition Metal Dichalcogenide Heterostructures... Selective Antisite Defect Formation in WS2 Monolayers via Reactive Growth on Dilute W-Au Alloy Substrates CRADA Final Report: CRADA Number NFE1706843 with SkyNano LLC... Signature of Many-Body Localization of Phonons in Strongly Disordered Superlattices Heterogeneities at multiple length scales in 2D layered materials: From localized defects and dopants to mesoscopic heterostructures Strain-Induced Growth of Twisted Bilayers during the Coalescence of Monolayer MoS 2 Crystals Intrinsic Defects in MoS2 Grown by Pulsed Laser Deposition: From Monolayers to Bilayers Excitonic Dynamics in Janus MoSSe and WSSe Monolayers Giant enhancement of exciton diffusivity in two-dimensional semiconductors NonEquilibrium Synthesis of Highly Active Nanostructured, OxygenIncorporated Amorphous Molybdenum Sulfide HER Electrocatalyst Enhancement of van der Waals Interlayer Coupling through Polar Janus MoSSe ElectronBeamRelated Studies of Halide Perovskites: Challenges and Opportunities... In situ laser reflectivity to monitor and control the nucleation and growth of atomically thin 2D materials TwoDimensional Palladium Diselenide with Strong InPlane Optical Anisotropy and High Mobility Grown by Chemical Vapor Deposition Synthesis and emerging properties of 2D layered IIIVI metal chalcogenides Room-Temperature ElectronHole Liquid in Monolayer MoS2 Pagination Current page 1 Page 2 Page 3 … Next page 算傭 Last page Last 罈 Key Links Curriculum Vitae Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences