Electrical contacts to two-dimensional semiconductors

The performance of electronic and optoelectronic devices based on two-dimensional layered crystals, including graphene, semiconductors of the transition metal dichalcogenide family such as molybdenum disulphide (MoS2) and tungsten diselenide (WSe2), as well as other emerging two-dimensional semiconductors such as atomically thin black phosphorus, is significantly affected by the electrical contacts that connect these materials with external circuitry. Here, we present a comprehensive treatment of the physics of such interfaces at the contact region and discuss recent progress towards realizing optimal contacts for two-dimensional materials. We also discuss the requirements that must be fulfilled to realize efficient spin injection in transition metal dichalcogenides. © 2015 Macmillan Publishers Limited. All rights reserved.


Published in:
Nature Materials, 14, 12, 1195-1205
Year:
2015
Publisher:
Nature Publishing Group
ISSN:
1476-4660
Laboratories:




 Record created 2015-11-20, last modified 2018-03-17

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