Machine learning methods for background potential estimation in 2DEGs

C da Cunha, N Aoki, DK Ferry, K Vora… - Physica E: Low …, 2024 - Elsevier
Two-dimensional electron gases (2DEGs) can show exceptional carrier mobility, making
them promising candidates for future quantum technologies. However, impurities and …

Conductance interference effects in an electron-beam-resist-free chemical vapor deposition graphene device sandwiched between two h-BN sheets

C Chuang, M Mineharu, M Matsunaga, CW Liu, BY Wu… - Carbon, 2019 - Elsevier
We report fabrication and measurements of hexagonal boron nitride (h-BN)/chemical vapor
deposition (CVD) graphene/h-BN heterostructure devices without using expensive, time …

Tuning weak localization in single-layer disordered SnSe2/graphene/h-BN field-effect device

WC Chen, C Chuang, TH Wang, CC Yeh, SZ Chen… - 2D …, 2022 - iopscience.iop.org
We report fabrication and measurements of single-layer SnSe 2/chemical vapor deposition
(CVD) graphene/hexagonal boron nitride (h-BN) field-effect device. The coherent …

Shubnikov–de Haas measurements on a high mobility monolayer graphene flake sandwiched between boron nitride sheets

N Matsumoto, M Mineharu, M Matsunaga… - Journal of Physics …, 2017 - iopscience.iop.org
A flake of monolayer graphene was sandwiched between boron nitride sheets. Temperature
dependent Shubnikov–de Haas measurements were performed to access how this …

Quebra da integrabilidade para um modelo de tunelamento quântico de três poços

K Wilsmann - 2017 - lume.ufrgs.br
O objetivo desse trabalho é apresentar e investigar um modelo integrável que descreve o
tunelamento de bósons entre três condensados de Bose-Einstein acoplados em linha. Aqui …

Disorder correction to the minimal conductance of a nodal-point semimetal

Z Shi, B Sbierski, PW Brouwer - Physical Review B, 2020 - APS
We consider the disorder-induced correction to the minimal conductance of an anisotropic
two-dimensional Dirac node or a three-dimensional Weyl node. An analytical expression is …