Recent advances in germanium emission

P Boucaud, M El Kurdi, A Ghrib, M Prost… - Photonics …, 2013 - opg.optica.org
The optical properties of germanium can be tailored by combining strain engineering and n-
type do**. In this paper, we review the recent progress that has been reported in the study …

Direct-bandgap light-emitting germanium in tensilely strained nanomembranes

JR Sánchez-Pérez, C Boztug, F Chen… - Proceedings of the …, 2011 - pnas.org
Silicon, germanium, and related alloys, which provide the leading materials platform of
electronics, are extremely inefficient light emitters because of the indirect nature of their …

Strained-germanium nanostructures for infrared photonics

C Boztug, JR Sánchez-Pérez, F Cavallo, MG Lagally… - ACS …, 2014 - ACS Publications
The controlled application of strain in crystalline semiconductors can be used to modify their
basic physical properties to enhance performance in electronic and photonic device …

Tensile-strained germanium microdisks

A Ghrib, M El Kurdi, M De Kersauson, M Prost… - Applied Physics …, 2013 - pubs.aip.org
We show that a strong tensile strain can be applied to germanium microdisks using silicon
nitride stressors. The transferred strain allows one to control the direct band gap emission …

Reduced pressure CVD growth of Ge and Ge1− xSnx alloys

S Wirths, D Buca, G Mussler… - ECS Journal of Solid …, 2013 - iopscience.iop.org
The epitaxial growth of Ge and GeSn alloys on Si (100) by Reduced Pressure Chemical
Vapor Deposition is discussed. Particular emphasis is placed on the growth kinetics in the …

High temperature x ray diffraction measurements on Ge/Si (001) heterostructures: A study on the residual tensile strain

G Capellini, M De Seta, P Zaumseil… - Journal of Applied …, 2012 - pubs.aip.org
Ge/Si (001) heterostructures grown by means of ultrahigh vacuum chemical vapor
deposition have been investigated by means of variable temperature high resolution x ray …

Control of tensile strain in germanium waveguides through silicon nitride layers

A Ghrib, M De Kersauson, M El Kurdi… - Applied Physics …, 2012 - pubs.aip.org
Germanium ridge waveguides can be tensilely strained using silicon nitride thin films as
stressors. We show that the strain transfer in germanium depends on the width of the …

Manufacture and study CdTe/Ge/Si of broadband ultraviolet–visible photodetector

OA Fahad, A Ramizy, BK Al-Rawi - Journal of Materials Science: Materials …, 2024 - Springer
In this work, a CdTe/Ge/Si photodetector was fabricated using two different methods. The
thermal evaporation method was used to prepare Ge on n-type silicon substrates, and then …

Tensilely strained germanium nanomembranes as infrared optical gain media

C Boztug, JR Sánchez‐Pérez, FF Sudradjat… - Small, 2013 - Wiley Online Library
The use of tensilely strained Ge nanomembranes as mid‐infrared optical gain media is
investigated. Biaxial tensile strain in Ge has the effect of lowering the direct energy bandgap …

High quality tensile-strained n-doped germanium thin films grown on InGaAs buffer layers by metal-organic chemical vapor deposition

R Jakomin, M De Kersauson, M El Kurdi… - Applied Physics …, 2011 - pubs.aip.org
We show that high quality tensile-strained n-doped germanium films can be obtained on
InGaAs buffer layers using metal-organic chemical vapor deposition with isobutyl germane …