Tuning the charge carrier density of two-dimensional (2D) materials by incorporating
dopants into the crystal lattice is a challenging task. An attractive alternative is the surface …

A new type of graphene-based quantum Hall standards is tested for electrical quantum
metrology applications at alternating current (ac) and direct current (dc). The devices are …

We study the dissipationless transport properties of chiral edge state (CES) in the Chern
insulator MnBi 2 Te 4 devices. A near-zero longitudinal resistance and a quantized Hall …

Graphene-based quantised Hall resistance standards promise high precision for the unit
ohm under less exclusive measurement conditions, enabling the use of compact …

Despite several attempts, the intimate electronic structure of two-dimensional electron
systems buried at the interface between LaAlO3 and SrTiO3 still remains to be …

We report on the observation of an unconventional structure of the quantum Hall effect
(QHE) in ap-type HgTe/Cd x Hg 1− x Te double quantum well (DQW) consisting of two HgTe …

HgTe quantum wells (QWs) are two-dimensional semiconductor systems that change their
properties at the critical thickness dc, corresponding to the band inversion and topological …

Stable all‐inorganic CsPbX3 perovskite nanocrystals (PNCs) with high optical yield can be
used in combination with graphene as photon sensors with high responsivity (up to 106 …

The outstanding properties and the potential for large‐scale fabrication open a wide field for
electronic applications of epitaxial graphene on silicon carbide substrates. However, reliable …

Graphene, the first isolated two-dimensional material, has captivated researchers for the last
decade due to its unique structure that leads to novel electronic, chemical, mechanical, and …