Dirac semimetals are a three-dimensional analogue of graphene that can support massless Dirac fermions in their bulk and Fermi-arc surface states. Here, the authors observe Aharonov–Bohm oscillations in transport measurements on Cd3As2nanowires, revealing these exotic surface states.
- Li-Xian Wang
- Cai-Zhen Li
- Zhi-Min Liao