Optical and Electrical Investigation of Spin in 2D Materials Spin/Valley Dynamics in Transition Metal Dichalcogenides (TMD) Graphene Spintronics Spin Transport in Graphene/TMD Hybrid Structures Adatom Doping of 2D Materials Magnetic Proximity Effects in 2D Materials Associated Methods Nanoscale Device Fabrication Time Resolved Kerr Rotation Microscopy | Science | Optical and Electrical Investigation of Spin in 2D Materials