期刊
APPLIED PHYSICS LETTERS
卷 114, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5088587
关键词
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资金
- European Research Council
- EU Graphene Flagship Program
- Royal Society
- Air Force Office of Scientific Research
- Office of Naval Research
- ERC Synergy Grant Hetero2D
- EPSRC Early Career Fellowship [EP/N007131/1]
- EPSRC [EP/K005014/1, EP/N007131/1] Funding Source: UKRI
Numerous applications call for electronics capable of operation at high temperatures where conventional Si-based electrical devices fail. In this work, we show that graphene-based devices are capable of performing in an extended temperature range up to 500 degrees C without noticeable thermally induced degradation when encapsulated by hexagonal boron nitride (hBN). The performance of these devices near the neutrality point is dominated by thermal excitations at elevated temperatures. Non-linearity pronounced in electric field-mediated resistance of the aligned graphene/hBN allowed us to realize heterodyne signal mixing at temperatures comparable to that of the Venus atmosphere (similar to 460 degrees C). Published under license by AIP Publishing.
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