期刊
PHYSICAL REVIEW B
卷 84, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.84.161408
关键词
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资金
- Deutsche Forschungsgemeinschaft [GRK 1570]
- EU [228043]
- EPSRC [EP/G036101/1, EP/J000396/1]
- Royal Society [2010/R2, SH-05052]
- ERATO-JST [080300000477]
- Special Coordination Funds for Promoting Science and Technology (NanoQuine)
- JST Strategic International Cooperative Program
- MEXT [21102003]
- [20684011]
- EPSRC [EP/J000396/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J000396/1] Funding Source: researchfish
- Grants-in-Aid for Scientific Research [23684019] Funding Source: KAKEN
We report markedly different transport properties of ABA- and ABC-stacked trilayer graphenes. Our experiments in double-gated trilayer devices provide evidence that a perpendicular electric field opens an energy gap in the ABC trilayer, while it causes the increase of a band overlap in the ABA trilayer. In a perpendicular magnetic field, the ABA trilayer develops quantum Hall plateaus at filling factors of v = 2,4,6, ... with a step of Delta v = 2, whereas the inversion-symmetric ABC trilayer exhibits plateaus at v = 6 and 10 with fourfold spin and valley degeneracy.
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