Band alignment at interfaces of two-dimensional materials: internal photoemission analysis

VV Afanas'ev, G Delie, M Houssa… - Journal of Physics …, 2020 - iopscience.iop.org
The article overviews experimental results obtained by applying internal photoemission
(IPE) spectroscopy methods to characterize electron states in single-or few-monolayer thick …

Material-Selective Doping of 2D TMDC through AlxOy Encapsulation

A Leonhardt, D Chiappe, VV Afanas' ev… - … applied materials & …, 2019 - ACS Publications
For the integration of two-dimensional (2D) transition metal dichalcogenides (TMDC) with
high-performance electronic systems, one of the greatest challenges is the realization of …

High performance sub-bandgap photodetection via internal photoemission based on ideal metal/2D-material van der Waals Schottky interface

X Li, X Chen, S Li, F Chu, W Deng, X Zhang, J Li, X Bao… - Nanoscale, 2021 - pubs.rsc.org
Two-dimensional (2D) materials have been demonstrated to be promising candidates to
design high performance photodetectors owing to their strong light–matter interaction …

Understanding ambipolar transport in MoS2 field effect transistors: the substrate is the key

V Mootheri, A Leonhardt, D Verreck… - …, 2021 - iopscience.iop.org
Abstract 2D materials offer a pathway for further scaling of CMOS technology. However, for
this to become a reality, both n-MOS and p-MOS should be realized, ideally with the same …

Devices and circuits using novel 2-D materials: a perspective for future VLSI systems

GV Resta, A Leonhardt, Y Balaji… - … Transactions on Very …, 2019 - ieeexplore.ieee.org
Here, we review the most recent developments in the field of 2-D electronics. We focus first
on the synthesis of 2-D materials, discussing the different growth techniques currently …

Use of the Indirect Photoluminescence Peak as an Optical Probe of Interface Defectivity in MoS2

A Leonhardt, CJL de la Rosa, T Nuytten… - Advanced Materials …, 2020 - Wiley Online Library
Defect characterization of 2D materials is a critical aspect for their successful integration in
future electronic devices. Here, a simple characterization technique is proposed that opens …

Energy Band Alignment of a Monolayer MoS2 with SiO2 and Al2O3 Insulators from Internal Photoemission

I Shlyakhov, J Chai, M Yang, S Wang… - … status solidi (a), 2019 - Wiley Online Library
Internal photoemission of electrons (IPE) from large area one monolayer 2H‐MoS2 films
synthesized on top of amorphous (a−) SiO2 or Al2O3 is used to determine the energy of the …

[PDF][PDF] On the electrical stability of 2D material-based field-effect transistors

T Knobloch - TU Wien Vienna, Austria, 2022 - scholar.archive.org
Over the past decades, the continued scaling of transistors has reduced the energy
consumption for every switching event and has increased the computational power of …

Measurement of direct and indirect bandgaps in synthetic ultrathin MoS2 and WS2 films from photoconductivity spectra

I Shlyakhov, K Iakoubovskii, S Banerjee… - Journal of Applied …, 2021 - pubs.aip.org
Exploring the thickness-dependent electronic properties of ultrathin transition metal
dichalcogenides is crucial for novel optoelectronic devices. Particularly important is …

Energy Band Alignment of Few-Monolayer WS2 and WSe2 with SiO2 Using Internal Photoemission Spectroscopy

G Delie, PM Litwin, SJ McDonnell… - ECS Journal of Solid …, 2020 - iopscience.iop.org
Internal photoemission spectroscopy was used to determine the valence band top energy
position in few-monolayer WS 2 and WSe 2 films directly synthesized on top of the SiO 2 …