Si–Ge–Sn alloys: From growth to applications

S Wirths, D Buca, S Mantl - Progress in crystal growth and characterization …, 2016 - Elsevier
In this review article, we address key material parameters as well as the fabrication and
application of crystalline GeSn binary and SiGeSn ternary alloys. Here, the transition from an …

Band engineering and growth of tensile strained Ge/(Si) GeSn heterostructures for tunnel field effect transistors

S Wirths, AT Tiedemann, Z Ikonic, P Harrison… - Applied physics …, 2013 - pubs.aip.org
In this letter, we propose a heterostructure design for tunnel field effect transistors with two
low direct bandgap group IV compounds, GeSn and highly tensely strained Ge in …

Ohmic contacts to n-type germanium with low specific contact resistivity

K Gallacher, P Velha, DJ Paul, I MacLaren… - Applied Physics …, 2012 - pubs.aip.org
A low temperature nickel process has been developed that produces Ohmic contacts to n-
type germanium with specific contact resistivities down to (2.3±1.8)× 10− 7 Ω-cm 2 for …

[HTML][HTML] Defects in Ge and GeSn and their impact on optoelectronic properties

A Giunto, A Fontcuberta i Morral - Applied Physics Reviews, 2024 - pubs.aip.org
GeSn has emerged as a promising semiconductor with optoelectronic functionality in the
mid-infrared, with the potential of replacing expensive III–V technology for monolithic on-chip …

Strain and composition effects on Raman vibrational modes of silicon-germanium-tin ternary alloys

JH Fournier-Lupien, S Mukherjee, S Wirths… - Applied physics …, 2013 - pubs.aip.org
We investigated Raman vibrational modes in silicon-germanium-tin layers grown epitaxially
on germanium/silicon virtual substrates using reduced pressure chemical vapor deposition …

Efficient In Situ Do** of Strained Germanium Tin Epilayers at Unusually Low Temperature

M Myronov, P Jahandar, S Rossi… - Advanced Electronic …, 2024 - Wiley Online Library
Efficient p‐and n‐type in situ do** of compressively strained germanium tin (Ge1‐xSnx)
semiconductor epilayers, grown by chemical vapor deposition on a standard Si (001) …

Ge photodetector monolithically integrated with amorphous Si waveguide on wafer-bonded Ge-on-insulator substrate

J Kang, S Takagi, M Takenaka - Optics Express, 2018 - opg.optica.org
We present a proof-of-concept demonstration of a Ge/a-Si hybrid photonic integrated circuit
platform utilizing a high-quality Ge-on-insulator (GeOI) wafer fabricated by wafer bonding …

Ge/SiGe quantum confined Stark effect electro-absorption modulation with low voltage swing at λ= 1550 nm

DCS Dumas, K Gallacher, S Rhead, M Myronov… - Optics express, 2014 - opg.optica.org
Low-voltage swing (≤ 1.0 V) high-contrast ratio (6 dB) electro-absorption modulation
covering 1460 to 1560 nm wavelength has been demonstrated using Ge/SiGe quantum …

High quality CVD deposition of Ge layers for Ge/SiGe Quantum Well heterostructures

A Nigro, E Jutzi, N Forrer, A Hofmann, G Gadea… - arxiv preprint arxiv …, 2024 - arxiv.org
A great deal of interest is directed nowadays towards the development of innovative
technologies in the field of quantum information and quantum computing, with emphasis on …

Integrated photonic materials for the mid‐infrared

A Yadav, AM Agarwal - International Journal of Applied Glass …, 2020 - Wiley Online Library
While silicon photonic integrated circuits for the near‐infrared (IR) telecommunication band
have attracted great research interest in the past decade, recent advances offer …