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 …

Recent progress in GeSn growth and GeSn-based photonic devices

J Zheng, Z Liu, C Xue, C Li, Y Zuo… - Journal of …, 2018 - iopscience.iop.org
The GeSn binary alloy is a new group IV material that exhibits a direct bandgap when the Sn
content exceeds 6%. It shows great potential for laser use in optoelectronic integration …

Si-based GeSn lasers with wavelength coverage of 2–3 μm and operating temperatures up to 180 K

J Margetis, S Al-Kabi, W Du, W Dou, Y Zhou… - ACs …, 2017 - ACS Publications
A Si-based monolithic laser is strongly desired for the full integration of Si-photonics. Lasing
from the direct bandgap group-IV GeSn alloy has opened a new avenue, different from the …

Investigation of GeSn strain relaxation and spontaneous composition gradient for low-defect and high-Sn alloy growth

W Dou, M Benamara, A Mosleh, J Margetis, P Grant… - Scientific reports, 2018 - nature.com
Recent development of group-IV alloy GeSn indicates its bright future for the application of
mid-infrared Si photonics. Relaxed GeSn with high material quality and high Sn composition …

GeSn/Ge heterostructure short-wave infrared photodetectors on silicon

A Gassenq, F Gencarelli, J Van Campenhout… - Optics express, 2012 - opg.optica.org
A surface-illuminated photoconductive detector based on Ge_0. 91Sn_0. 09 quantum wells
with Ge barriers grown on a silicon substrate is demonstrated. Photodetection up to 2.2 µm …

GeSn pin detectors integrated on Si with up to 4% Sn

M Oehme, M Schmid, M Kaschel, M Gollhofer… - Applied Physics …, 2012 - pubs.aip.org
GeSn heterojunction photodetectors on Si substrates were grown with Sn concentration up
to 4%, fabricated for vertical light incidence, and characterized. The complete layer structure …

Crystalline properties and strain relaxation mechanism of CVD grown GeSn

F Gencarelli, B Vincent… - ECS Journal of Solid …, 2013 - iopscience.iop.org
In this contribution, we discuss the crystalline properties of strained and strain-relaxed CVD-
grown GeSn layers with Sn content in the range 6.4–12.6 at.%. A positive deviation from …

Epitaxial growth of strained and unstrained GeSn alloys up to 25% Sn

M Oehme, K Kostecki, M Schmid, F Oliveira, E Kasper… - Thin Solid Films, 2014 - Elsevier
Strained and unstrained GeSn layers on Si substrates were grown with Sn contents up to
20% and 25%, respectively. All metastable layer structures were fabricated by means of an …

Next generation of Ge1− ySny (y= 0.01-0.09) alloys grown on Si (100) via Ge3H8 and SnD4: Reaction kinetics and tunable emission

G Grzybowski, RT Beeler, L Jiang, DJ Smith… - Applied physics …, 2012 - pubs.aip.org
Film growth and reaction kinetics studies have shown that trigermane (Ge 3 H 8) is a
superior Ge source for the epitaxial synthesis of Ge 1− y Sn y/Si (100) alloys using ultra-high …

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 …