Theoretical prediction of semiconductor-free negative differential resistance tunnel diodes with high peak-to-valley current ratios based on two-dimensional cold …

E Şaşıoğlu, I Mertig - ACS Applied Nano Materials, 2023 - ACS Publications
The negative differential resistance (NDR) tunnel diodes are promising alternative devices
for beyond-CMOS (complementary metal oxide semiconductor) computing because they …

Computational design of tunnel diodes with negative differential resistance and ultrahigh peak-to-valley current ratio based on two-dimensional cold metals: The case …

P Bodewei, E Şaşıoğlu, NF Hinsche, I Mertig - Physical Review Applied, 2024 - APS
Cold metals have recently gained attention as a promising platform for innovative devices,
such as tunnel diodes with negative differential resistance (NDR) and field-effect transistors …

Urbach tails in indium arsenide studied using nonequilibrium Green's functions

M Makowiec, A Kolek - Physical Review Applied, 2024 - APS
The analysis presented in this paper results in new formulas for the Urbach tail parameter,
which are supposed to be valid for III-V compounds. They were derived based on numerical …

Generalized Boltzmann relations in semiconductors including band tails

A Beckers, D Beckers, F Jazaeri, B Parvais… - Journal of Applied …, 2021 - pubs.aip.org
Boltzmann relations are widely used in semiconductor physics to express the charge-carrier
densities as a function of the Fermi level and temperature. However, these simple …

Physics and performances of III–V nanowire broken-gap heterojunction TFETs using an efficient tight-binding mode-space NEGF model enabling million-atom …

A Afzalian, T Vasen, P Ramvall, TM Shen… - Journal of Physics …, 2018 - iopscience.iop.org
We report the capability to simulate in a quantum-mechanical atomistic fashion record-large
nanowire devices, featuring several hundred to millions of atoms and a diameter up to 18.2 …

Band-tails tunneling resolving the theory-experiment discrepancy in Esaki diodes

J Bizindavyi, AS Verhulst, Q Smets… - IEEE Journal of the …, 2018 - ieeexplore.ieee.org
Discrepancies exist between the theoretically predicted and experimentally measured
performance of band-to-band tunneling devices, such as Esaki diodes and tunnel field-effect …

[HTML][HTML] Tunneling between density-of-state tails: Theory and effect on Esaki diodes

A Schenk, S Sant - Journal of applied physics, 2020 - pubs.aip.org
A model for tunneling between conduction and valence band tail states in semiconductors is
developed. Localized, lifetime-broadened wave functions originally proposed by Vinogradov …

Correlation effects in two-dimensional and (, ; , , ; , ; , ) cold metals: Implications for device applications

W Beida, E Şaşıoğlu, M Tas, C Friedrich, S Blügel… - Physical Review …, 2025 - APS
Cold metals, characterized by their distinctive band structures, hold promise for innovative
electronic devices such as tunnel diodes with negative differential resistance (NDR) effect …

Spin gapped metals: A novel class of materials for multifunctional spintronic devices

E Şaşıoğlu, M Tas, S Ghosh, W Beida, B Sanyal… - Journal of Magnetism …, 2025 - Elsevier
Gapped metals, a recently proposed class of materials, possess a band gap slightly above
or below the Fermi level, behaving as intrinsic p-or n-type semiconductors without requiring …

A novel gate-normal tunneling field-effect transistor with dual-metal gate

S Glass, K Kato, L Kibkalo, JM Hartmann… - IEEE Journal of the …, 2018 - ieeexplore.ieee.org
In this combined experiment and simulation study we investigate a SiGe/Si based gate-
normal tunneling field-effect transistor (TFET) with a pillar shaped contact to the tunneling …