Moving towards the magnetoelectric graphene transistor
- Univ. of Nebraksa-Lincoln, Lincoln, NE (United States)
- Univ. at Buffalo, The State Uni. of New York, Buffalo, NY (United States)
- Univ. of Science and Technology of China, Anhui (China)
- Univ. at Buffalo, The State Univ. of New York, Buffalo, NY (United States)
- Univ. of Nebraska at Omaha, Omaha, NE (United States)
Here, the interfacial charge transfer between mechanically exfoliated few-layer graphene and Cr2O3 (0001) surfaces has been investigated. Electrostatic force microscopy and Kelvin probe force microscopy studies point to hole doping of few-layer graphene, with up to a 150 meV shift in the Fermi level, an aspect that is confirmed by Raman spectroscopy. Density functional theory calculations furthermore confirm the p-type nature of the graphene/chromia interface and suggest that the chromia is able to induce a significant carrier spin polarization in the graphene layer. A large magnetoelectrically controlled magneto-resistance can therefore be anticipated in transistor structures based on this system, a finding important for developing graphene-based spintronic applications.
- Research Organization:
- Univ. of Nebraksa-Lincoln, Lincoln, NE (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0016153
- OSTI ID:
- 1406295
- Alternate ID(s):
- OSTI ID: 1406386
- Journal Information:
- Applied Physics Letters, Vol. 111, Issue 18; Related Information: http://cdn.scitation.org/journals/content/apl/2017/apl.2017.111.issue-18/1.4999643/20171101/suppl/supplementary%20marterialsv2.pdf?b92b4ad1b4f274c70877518610abb28bd756756a6161842cd52fd8f52e9eae516dc5ee147b8bce65758738b212fba58380ff0f8a9d6c7531ed9e0a54fbc248f7f7604325d1c3e31b8c2ffec948b4aab1951645fa835584d08a19fdb68f38427c9cddcd0c898ac29899234e4f5d1575cc584dfec97383ae628335601020a6ce1b4f518a63b14f4d965b517f5ee119d6383fbd0af0e5b5c60ca58b; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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