Reversal of Band-Ordering Leads to High Hole Mobility in Strained p-type Scandium Nitride

S Rudra, D Rao, S Poncé, B Saha - Nano Letters, 2023 - ACS Publications
Low hole mobility of nitride semiconductors is a significant impediment to realizing their high-
efficiency device applications. Scandium nitride (ScN), an emerging rocksalt indirect band …

Valley Hall effect in graphene-like (, Ge) buckled monolayers with high charge carrier mobility and low lattice thermal conductivity

MK Mohanta, F Is, A De Sarkar - Physical Review B, 2023 - APS
A systematic analysis of the electronic and thermal properties of two semiconducting
monolayers, SnSi and SnGe, is conducted through the lens of density functional theory …

Polar semiconducting scandium nitride as an infrared plasmon and phonon–polaritonic material

KC Maurya, D Rao, S Acharya, P Rao, AIK Pillai… - Nano Letters, 2022 - ACS Publications
The interaction of light with collective charge oscillations, called plasmon–polariton, and with
polar lattice vibrations, called phonon–polariton, are essential for confining light at deep …

Exceptionally high hole mobilities in monolayer group-IV monochalcogenides GeTe and SnTe

WH Xiao, B Zeng, ZK Ding, H Pan, WW Liu… - Applied Physics …, 2023 - pubs.aip.org
Two-dimensional semiconductors are considered as promising channel materials for next-
generation nanoelectronics devices, while their practical applications are typically limited by …

Voltage-margin limiting mechanisms of AlScN-based HEMTs

P Döring, S Krause, P Waltereit, P Brückner… - Applied Physics …, 2023 - pubs.aip.org
In this work, the off-state characteristics of AlScN/GaN high electron mobility transistors
(HEMTs) grown by metalorganic chemical vapor deposition (MOCVD) were studied and …

Electron accumulation and distribution at interfaces of hexagonal ScxAl1− xN/GaN-and ScxAl1− xN/InN-heterostructures

O Ambacher, A Yassine, M Yassine, S Mihalic… - Journal of Applied …, 2022 - pubs.aip.org
Electron charges and distribution profiles induced by polarization gradients at the interfaces
of pseudomorphic, hexagonal ScxAl1− xN/GaN-and ScxAl1− xN/InN-heterostructures are …

Excellent thermoelectric properties of the Tl 2 S 3 monolayer for medium-temperature applications

L Zhou, Q Wang, M Xu, C Hu, X Deng, Y Li, B Lv… - Nanoscale, 2023 - pubs.rsc.org
Exploring materials with high thermoelectric (TE) performance can alleviate energy pressure
and protect the environment, and thus, TE materials have attracted extensive attention in the …

Band gaps and phonons of quasi-bulk rocksalt ScN

J Grümbel, R Goldhahn, M Feneberg, Y Oshima… - Physical Review …, 2024 - APS
ScN is an emerging transition metal nitride with unique physical properties arising from the d
electrons of Sc. In this letter, we present the results of optical characterization techniques …

Flexible Near-Infrared Plasmon-Polaritons in Epitaxial Scandium Nitride Enabled by van der Waals Heteroepitaxy

D Mukhopadhyay, D Rao, RS Rawat, AIK Pillai… - Nano Letters, 2024 - ACS Publications
Van der Waals heteroepitaxy refers to the growth of strain-and misfit-dislocation-free
epitaxial films on layered substrates or vice versa. Such heteroepitaxial technique can be …

[HTML][HTML] First-principles study of hydrogen-and oxygen-related complexes in ScN

AJE Rowberg, S Mu, CG Van de Walle - Journal of Applied Physics, 2024 - pubs.aip.org
Scandium nitride (ScN) is an attractive material for electronic applications due to its high n-
type conductivity. Native defects and unintentional impurities may limit its electron …