Graphene nanoribbons for quantum electronics
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Abstract
Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials\ncarved from graphene lattice. GNRs possess high mobility and current carrying\ncapability, sizable bandgap, and versatile electronic properties tailored by\nthe orientations and open edge structures. These unique properties make GNRs\npromising candidates for prospective electronics applications including\nnano-sized field-effect transistors (FETs), spintronic devices, and quantum\ninformation processing. To fully exploit the potential of GNRs, fundamental\nunderstanding of structure-property relationship, precise control of atomic\nstructures and scalable production are the main challenges. In the last several\nyears, significant progress has been made toward atomically precise bottom-up\nsynthesis of GNRs and heterojunctions that provide an ideal platform for\nfunctional molecular devices, as well as successful production of\nsemiconducting GNR arrays on insulating substrates potentially useful for\nlarge-scale digital circuits. With further development, GNRs can be envisioned\nas a competitive candidate material in future quantum information sciences\n(QIS). In this Perspective, we review recent progress in GNR research and\nidentify key challenges and new directions likely to develop in the near\nfuture.\n