Unknown

Dataset Information

0

Superconducting Quantum Interference in Twisted van der Waals Heterostructures.


ABSTRACT: We demonstrate the formation of both Josephson junctions and superconducting quantum interference devices (SQUIDs) using a dry transfer technique to stack and deterministically misalign mechanically exfoliated flakes of NbSe2. The current-voltage characteristics of the resulting twisted NbSe2-NbSe2 junctions are found to be sensitive to the misalignment angle of the crystallographic axes, opening up a new control parameter for optimization of the device performance, which is not available in thin-film-deposited junctions. A single lithographic process has then been implemented to shape Josephson junctions into SQUID geometries with typical loop areas of ∼25 μm2 and weak links ∼600 nm wide. At T = 3.75 K in an applied magnetic field, these devices display large stable current and voltage modulation depths of up to ΔIc ∼ 75% and ΔV ∼ 1.4 mV, respectively.

SUBMITTER: Farrar LS 

PROVIDER: S-EPMC8397396 | biostudies-literature |

REPOSITORIES: biostudies-literature

Similar Datasets

| S-EPMC7442634 | biostudies-literature
| S-EPMC10833467 | biostudies-literature
| S-EPMC6570651 | biostudies-literature
| S-EPMC8364154 | biostudies-literature
| S-EPMC7297739 | biostudies-literature
| S-EPMC8142649 | biostudies-literature
| S-EPMC5650488 | biostudies-literature
| S-EPMC8442881 | biostudies-literature
| S-EPMC10465355 | biostudies-literature
| S-EPMC7700158 | biostudies-literature