Supercurrent in the quantum Hall regime

F Amet, CT Ke, IV Borzenets, J Wang, K Watanabe… - Science, 2016 - science.org
A promising route for creating topological states and excitations is to combine
superconductivity and the quantum Hall (QH) effect. Despite this potential, signatures of …

Spatially resolved edge currents and guided-wave electronic states in graphene

MT Allen, O Shtanko, IC Fulga, AR Akhmerov… - Nature Physics, 2016 - nature.com
Exploiting the light-like properties of carriers in graphene could allow extreme non-classical
forms of electronic transport to be realized,,,,,,,. In this vein, finding ways to confine and direct …

Gate tuneable beamsplitter in ballistic graphene

P Rickhaus, P Makk, MH Liu, K Richter… - Applied Physics …, 2015 - pubs.aip.org
We present a beam splitter in a suspended, ballistic, multiterminal, bilayer graphene device.
By using local bottomgates, a pn interface tilted with respect to the current direction can be …

Point contacts in encapsulated graphene

C Handschin, B Fülöp, P Makk, S Blanter… - Applied Physics …, 2015 - pubs.aip.org
We present a method to establish inner point contacts with dimensions as small as 100 nm
on hexagonal boron nitride (hBN) encapsulated graphene heterostructures by pre …