Dirac electronic states in graphene systems: optical spectroscopy studies

Optical spectroscopy of bilayer graphene

Department of Physics, University of California, Berkeley, California 94720, USA School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China Advanced Light Source Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA Earth Sciences Division, Lawr...

Dirac charge dynamics in graphene by infrared spectroscopy

Z. Q. LI1*, E. A. HENRIKSEN2, Z. JIANG2,3, Z. HAO4, M. C. MARTIN4, P. KIM2, H. L. STORMER2,5,6 AND D. N. BASOV1 Department of Physics, University of California, San Diego, La Jolla, California 92093, USA Department of Physics, Columbia University, New York 10027, USA National High Magnetic Field Laboratory, Tallahassee, Florida 32310, USA Advanced Light Source Division, Lawrence Berkeley Nation...

Lecture 5 : Graphene : Electronic band structure and Dirac fermions

A suspended sheet of pure graphene – a plane layer of C atoms bonded together in a honeycomb lattice – is the “most two-dimensional” system imaginable. Such sheets have long been known to exist in disguised forms – in graphite (many graphene sheets stacked on top of one another), C nanotubes (a graphene sheet rolled into a cylinder) and fullerenes (buckyballs), which are small areas of a graphe...

The evolution of electronic structure in few-layer graphene revealed by optical spectroscopy.

The massless Dirac spectrum of electrons in single-layer graphene has been thoroughly studied both theoretically and experimentally. Although a subject of considerable theoretical interest, experimental investigations of the richer electronic structure of few-layer graphene (FLG) have been limited. Here we examine FLG graphene crystals with Bernal stacking of layer thicknesses N = 1,2,3,...8 pr...

Electronic States of Graphene-Based Ferromagnets