期刊
PHYSICAL REVIEW B
卷 84, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.84.041404
关键词
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资金
- EPSRC [EP/G035954]
- EU
- EPSRC [EP/G041954/1, EP/I500510/1, EP/G035954/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G041954/1, EP/G035954/1, EP/I500510/1] Funding Source: researchfish
We show that topology of the low-energy band structure in bilayer graphene critically depends on mechanical deformations of the crystal which may easily develop in suspended graphene flakes. We describe the Lifshitz transition that takes place in strained bilayers upon splitting the parabolic bands at intermediate energies into several Dirac cones at the energy scale of a few meV. Then, we show how this affects the electron Landau level spectra and the quantum Hall effect.
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