One-dimensional Si/Ge nanowires and their heterostructures for multifunctional applications—a review

SK Ray, AK Katiyar, AK Raychaudhuri - Nanotechnology, 2017 - iopscience.iop.org
Remarkable progress has been made in the field of one-dimensional semiconductor
nanostructures for electronic and photonic devices. Group-IV semiconductors and their …

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 doping. In this paper, we review the recent progress that has been reported in the study …

A micromachining-based technology for enhancing germanium light emission via tensile strain

JR Jain, A Hryciw, TM Baer, DAB Miller… - Nature …, 2012 - nature.com
Germanium is an attractive material for silicon-compatible optoelectronics, but in its bulk
form it does not emit light efficiently because of its indirect bandgap. Applying tensile strain …

Direct-gap photoluminescence with tunable emission wavelength in Ge1− ySny alloys on silicon

J Mathews, RT Beeler, J Tolle, C Xu, R Roucka… - Applied physics …, 2010 - pubs.aip.org
Direct-gap photoluminescence has been observed at room temperature in Ge 1− y Sn y
alloys grown on (001) Si substrates. The emission wavelength is tunable over a 90 meV …

The Acoustophotoelectric Effect: Efficient Phonon–Photon–Electron Coupling in Zero-Voltage-Biased 2D SnS2 for Broad-Band Photodetection

H Alijani, P Reineck, R Komljenovic, SP Russo… - ACS …, 2023 - ACS Publications
Two-dimensional (2D) layered metal dichalcogenides constitute a promising class of
materials for photodetector applications due to their excellent optoelectronic properties. The …

Compositional dependence of the direct and indirect band gaps in Ge1− ySny alloys from room temperature photoluminescence: implications for the indirect to direct …

L Jiang, JD Gallagher, CL Senaratne… - Semiconductor …, 2014 - iopscience.iop.org
The compositional dependence of the lowest direct and indirect band gaps in Ge 1− y Sn y
alloys has been determined from room-temperature photoluminescence measurements …

Direct gap electroluminescence from Si/Ge1− ySny pin heterostructure diodes

R Roucka, J Mathews, RT Beeler, J Tolle… - Applied physics …, 2011 - pubs.aip.org
Electroluminescence spectra from Si/Ge 1− y Sn y heterostructure diodes are reported. The
observed emission is dominated by direct gap optical transitions and displays the expected …

Ge0.92Sn0.08/Ge multi-quantum-well LEDs operated at 2-μm-wavelength on a 12-inch Si substrate

S Wu, L Zhang, R Wan, H Zhou, KH Lee, Q Chen… - Photonics …, 2023 - opg.optica.org
The development of an efficient group-IV light source that is compatible with the CMOS
process remains a significant goal in Si-based photonics. Recently, the GeSn alloy has been …

Towards monolithic integration of germanium light sources on silicon chips

S Saito, AZ Al-Attili, K Oda… - … Science and Technology, 2016 - iopscience.iop.org
Germanium (Ge) is a group-IV indirect band gap semiconductor, and therefore bulk Ge
cannot emit light efficiently. However, the direct band gap energy is close to the indirect one …

Strain-enhanced photoluminescence from Ge direct transition

TH Cheng, KL Peng, CY Ko, CY Chen, HS Lan… - Applied Physics …, 2010 - pubs.aip.org
Strain-enhanced photoluminescence from Ge direct transition | Applied Physics Letters | AIP
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