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Goos-Hänchen-like shifts at metal/superconductor interface
Ying Liu, Zhi-Ming Yu, Hua Jiang +1
At a normal-metal/superconductor interface, an incident electron from the normal-metal (N) side can be normally reflected as an electron or Andreev reflected as a hole. We show tha…
Breakdown of zero-energy quantum Hall state in graphene in the light of current fluctuations and shot noise
Antti Laitinen, Manohar Kumar, Teemu Elo +3
We have investigated the cross-over from Zener tunneling of single charge carriers to avalanche type of bunched electron transport in a suspended graphene Corbino disk in the zerot…
Growth dynamics and thickness-dependent electronic structure of topological insulator Bi2Te3 thin films on Si
Yao-Yi Li, Guang Wang, Xie-Gang Zhu +16
We use real-time reflection high energy electron diffraction intensity oscillation to establish the Te-rich growth dynamics of topological insulator thin films of Bi2Te3 on Si(111)…
Interface states and anomalous quantum oscillations in graphene hybrid structures
C. P. Puls, N. E. Staley, Y. Liu
One- and two-layer graphene have recently been shown to feature new physical phenomena such as unconventional quantum Hall effects and prospects of supporting a non-silicon technol…
Suppression of conductance fluctuation in weakly disordered mesoscopic graphene samples near the charge neutral point
Neal E. Staley, Conor Puls, Ying Liu
We measured the conductance fluctuation of bi- and trilayer graphene devices prepared on mechanical exfoliated graphene by an all-dry, lithography-free process using an ultrathin q…