ABSTRACT
In this chapter, we first discuss electrical transport in graphene
sheets and graphene nanoribbons (GNRs), considering conductivity,
mobility, and spin transport from both experimental and theoretical
perspectives. The effects of disorder on the transport properties are
also explained. Further, a brief report on the Hall effects is included.
Subsequently, the transport properties of metal/graphene/metal
junctions are reported. In the next section, we review experimental
and theoretical studies on graphene field-effect transistors (FETs),
including contact effects and the graphene spin valves. Finally,
novel proposals for magnetoresistive devices using graphene are
mentioned. The discussion of graphene/metal contacts given in this
chapter is rather restricted compared to the extremely large volume
of research data obtained to date, which have been summarized in
excellent review articles [1-4]. The reader is advised to refer to these
articles for topics omitted from this chapter.
