Electronic stopping power in a narrow band gap semiconductor from first principles

R Ullah, F Corsetti, D Sánchez-Portal, E Artacho - Physical Review B, 2015 - APS
The direction and impact parameter dependence of electronic stopping power, along with its
velocity threshold behavior, is investigated in a prototypical small-band-gap semiconductor …

Strained germanium nanowire optoelectronic devices for photonic-integrated circuits

Z Qi, H Sun, M Luo, Y Jung, D Nam - Journal of Physics …, 2018 - iopscience.iop.org
Strained germanium nanowires have recently become an important material of choice for
silicon-compatible optoelectronic devices. While the indirect bandgap nature of germanium …

Mechanical and electronic properties of SiC nanowires: An ab initio study

JB Oliveira, JM Morbec, RH Miwa - Journal of Applied Physics, 2017 - pubs.aip.org
Using first-principles calculations, based on the density functional theory, we have
investigated the mechanical and electronic properties of hydrogen-passivated 3C-, 2H-, 4H …

The role of the surface passivation in the mechanical properties of wurtzite InAs and InP nanowires: first-principles calculations

LC Bassotto, IZ da Silva, CL dos Santos - The European Physical Journal …, 2022 - Springer
We investigate the effect of surface passivation on the mechanical properties of InAs and InP
nanowires (NWs) as a function of diameter using density-functional theory. The …

[HTML][HTML] Young's modulus of [111] germanium nanowires

M Maksud, J Yoo, CT Harris, NKR Palapati… - Apl Materials, 2015 - pubs.aip.org
This paper reports a diameter-independent Young's modulus of 91.9±8.2 GPa for [111]
Germanium nanowires (Ge NWs). When the surface oxide layer is accounted for using a …

High order forces and nonlocal operators in a Kohn–Sham Hamiltonian

NS Bobbitt, G Schofield, C Lena… - Physical Chemistry …, 2015 - pubs.rsc.org
Real space pseudopotentials have a number of advantages in solving for the electronic
structure of materials. These advantages include ease of implementation, implementation on …

Electronic properties of fluorinated silicon carbide nanowires

A Miranda, LA Pérez - Computational Materials Science, 2016 - Elsevier
The control and modulation of the electronic properties of silicon carbide nanowires
(SiCNWs) are crucial for the obtention of materials with specific electronic features for the …

Strain dependent electronic transport of pristine Si and Ge nanowires

PH Jariwala, YA Sonavane, PB Thakor… - Computational Materials …, 2021 - Elsevier
We have studied strain governed electronic structure and transport properties of Si nanowire
(SiNW) and Ge nanowire (GeNW) utilizing generalized gradient approximation (GGA) of …

The theoretical direct-band-gap optical gain of Germanium nanowires

W Xiong, JW Wang, WJ Fan, ZG Song, CS Tan - Scientific Reports, 2020 - nature.com
We calculate the electronic structures of Germanium nanowires by taking the effective-mass
theory. The electron and hole states at the Γ-valley are studied via the eight-band kp theory …

[HTML][HTML] The optical gain of Ge nanowires engineered by the [100] direction uniaxial stress perpendicular to the nanowire axis

W Xiong, GP Ye, QY Xu, LL Gong, Y Wang - Physics Letters A, 2021 - Elsevier
We calculate the electronic structures of Ge nanowires at the direct Γ-valley and indirect L-
valley under the [100] direction uniaxial stress perpendicular to the nanowire axis using the …