Recent advances in Si-compatible nanostructured photodetectors

R Douhan, K Lozovoy, A Kokhanenko, H Deeb, V Dirko… - Technologies, 2023 - mdpi.com
In this review the latest advances in the field of nanostructured photodetectors are
considered, stating the types and materials, and highlighting the features of operation …

High-resolution RHEED analysis of dynamics of low-temperature superstructure transitions in Ge/Si (001) epitaxial system

VV Dirko, KA Lozovoy, AP Kokhanenko… - …, 2021 - iopscience.iop.org
In this paper, we analyze superstructural transitions during epitaxial growth of two-
dimensional layers and the formation of quantum dots by the Stranski–Krastanov …

Thickness-dependent elastic strain in Stranski–Krastanow growth

VV Dirko, KA Lozovoy, AP Kokhanenko… - Physical Chemistry …, 2020 - pubs.rsc.org
In this paper, we comprehensively consider the effect of the dependence of elastic strain on
the thickness of deposited material on the formation of two-dimensional layers and quantum …

Competitive Growth of Ge Quantum Dots on a Si Micropillar with Pits for a Precisely Site-Controlled QDs/Microdisk System

J Yan, Z Zhang, N Zhang, Q Huang, Y Zhan, Z Jiang… - Nanomaterials, 2023 - mdpi.com
Semiconductor quantum dots (QDs)/microdisks promise a unique system for comprehensive
studies on cavity quantum electrodynamics and great potential for on-chip integrated light …

Unique Enhancement of the Whispering Gallery Mode in Hexagonal Microdisk Resonator Array with Embedded Ge Quantum Dots on Si

Z Zhang, J Yan, Z Dong, N Zhang, P Chen, K Peng… - Nanomaterials, 2023 - mdpi.com
The coupling between the quantum dots (QDs) and silicon-based microdisk resonator
facilitates enhancing the light–matter interaction for the novel silicon-based light source …

Evolution of epitaxial quantum dots formed by Volmer–Weber growth mechanism

KA Lozovoy, AP Kokhanenko, VV Dirko… - Crystal Growth & …, 2019 - ACS Publications
Germanium/silicon systems are among the most promising materials for development of
current semiconductor electronics and photonics. Structures with germanium quantum dots …

Sensitively Site‐Dependent Enhancement of Emissions from Ge Quantum Dots in SiGe Microdisks

N Zhang, P Chen, J Yan, K Peng… - Advanced Photonics …, 2022 - Wiley Online Library
Herein, the unique emission properties of Ge quantum dots (QDs) SiGe microdisk system
are reported on Si substrates. Two types of microdisks embedded with random QDs and …

Collective Modes in the Luminescent Response of Si Nanodisk Chains with Embedded GeSi Quantum Dots

VA Zinovyev, ZV Smagina, AF Zinovieva… - Photonics, 2023 - mdpi.com
In this paper, we study the effects of GeSi quantum dot emission coupling with the collective
modes in the linear chains of Si disk resonators positioned on an SiO2 layer. The emission …

Thickness-dependent surface energy and formation of epitaxial quantum dots

KA Lozovoy, Y Zhou, R Smith, A Lloyd, AP Kokhanenko… - Thin Solid Films, 2020 - Elsevier
Numerous theoretical and experimental studies show that during epitaxial growth according
to the Stranski-Krastanow mechanism in systems mismatched by the lattice constant, the …

Precisely ordered Ge quantum dots on a patterned Si microring for enhanced light-emission

Y Li, C Cui, J Song, Q Liu, S Yuan, C Zeng… - Nanotechnology, 2020 - iopscience.iop.org
Semiconductor microcavities can greatly enhance the light-emission of embedded quantum
dots (QDs). Here, a new route toward the microcavity-QD system by fabricating microcavities …