Influence of 20 MeV electron irradiation on the optical properties and phase composition of SiOx thin films

T Hristova-Vasileva, P Petrik, D Nesheva… - Journal of Applied …, 2018 - pubs.aip.org
Homogeneous films from SiO 1.3 (250 nm thick) were deposited on crystalline Si substrates
by thermal evaporation of silicon monoxide. A part of the films was further annealed at 700 C …

Microstructural characterization of thin SiOx films obtained by physical vapor deposition

MA Curiel, N Nedev, D Nesheva, J Soares… - Materials Science and …, 2010 - Elsevier
X-ray diffraction and reflectivity, X-ray photoelectron spectroscopy and spectroscopic
ellipsometry were applied to study the initial composition, thickness, lattice structure and …

UV sensitivity of MOS structures with silicon nanoclusters

M Curiel, N Nedev, J Paz, O Perez, B Valdez, D Mateos… - Sensors, 2019 - mdpi.com
Selective UV sensitivity was observed in Metal-Oxide-Semiconductor structures with Si
nanoclusters. Si nanocrystals and amorphous Si nanoparticles (a-Si NPs) were obtained by …

Current transport mechanisms of InGaN metal-insulator-semiconductor photodetectors

ZG Shao, DJ Chen, B Liu, H Lu, ZL Xie… - Journal of Vacuum …, 2011 - pubs.aip.org
The authors report on InGaN metal-insulator-semiconductor (MIS) photodetectors with two
different insulating layers of Si 3 N 4 and Al 2 O 3 deposited via plasma-enhanced chemical …

Metal-Oxide-Semiconductor Structures Containing Silicon Nanocrystals for Application in Radiation Dosimeters

N Nedev, E Manolov, D Nesheva, K Krezhov… - Sensor …, 2012 - ingentaconnect.com
MOS structures containing silicon nanocrystals in the gate dielectric have been tested as
dosimeters for ionizing radiation. Before irradiation the nanocrystals have been charged with …

Selective photosensitivity of metal–oxide–semiconductor structures with SiOx layer annealed at high temperature

J Paz, N Nedev, D Nesheva, M Curiel… - Journal of Materials …, 2020 - Springer
SiO x layers with x= 1.15 and 1.3 and thicknesses of 50 and 100 nm were deposited on
crystalline silicon wafers by thermal evaporation in vacuum. Part of the samples were …

Application of Metal-Oxide-Semiconductor structures containing silicon nanocrystals in radiation dosimetry

D Nesheva, N Nedev, M Curiel, V Dzhurkov, A Arias… - Open Physics, 2015 - degruyter.com
This article makes a brief review of the most important results obtained by the authors and
their collaborators during the last four years in the field of the development of metal-insulator …

Silicon oxide films containing amorphous or crystalline silicon nanodots for device applications

D Nesheva, N Nedev, M Curiel, I Bineva… - Quantum Dots–A …, 2012 - books.google.com
Тhe impressive recent growth of the portable systems market (mobile PC, MP3 audio player,
digital camera, mobile phones, hybrid hard disks, etc.), has increased the interest of the …

Characterization of Si–SiOx nanocomposite layers by comparative analysis of computer simulated and experimental infra-red transmission spectra

V Donchev, D Nesheva, D Todorova, K Germanova… - Thin Solid Films, 2012 - Elsevier
The infra-red (IR) transmission spectra of SiOx (x≤ 2) layers containing crystalline or
amorphous Si nanoparticles deposited on p-Si substrates is simulated in the range 300 …

Photoluminescence from SiOx layers containing amorphous silicon nanoparticles

D Nesheva - physica status solidi (a), 2012 - Wiley Online Library
The article summarizes the main results of a systematic study on the preparation of
amorphous SiOx thin films with various contents (1.1≤ x≤ 1.7) by thermal evaporation of …