Linear and nonlinear unmixing in hyperspectral imaging

N Dobigeon, Y Altmann, N Brun… - Data Handling in Science …, 2016 - Elsevier
Mainly due to the limited spatial resolution of the data acquisition devices, hyperspectral
image pixels generally result from the mixture of several components that are present in the …

Evaluation of EELS spectrum imaging data by spectral components and factors from multivariate analysis

S Zhang, C Scheu - Microscopy, 2018 - academic.oup.com
Multivariate analysis is a powerful tool to process spectrum imaging datasets of electron
energy loss spectroscopy. Most spatial variance of the datasets can be explained by a …

[HTML][HTML] Comparative of machine learning classification strategies for electron energy loss spectroscopy: Support vector machines and artificial neural networks

D del-Pozo-Bueno, D Kepaptsoglou, F Peiró, S Estradé - Ultramicroscopy, 2023 - Elsevier
Abstract Machine Learning (ML) strategies applied to Scanning and conventional
Transmission Electron Microscopy have become a valuable tool for analyzing the large …

On potential core-shell morphologies of δ-hydride precipitates in zircaloy-2: A microstructural characterization approach by electron diffraction and energy-loss …

NN Badr, F Long, Y Luo, M Topping, LK Béland, Z Yao… - Acta Materialia, 2023 - Elsevier
The crystal structure of the interfacial areas of a δ-FCC water-quenched nano-hydride was
characterized by electron energy-loss spectroscopy (EELS) and electron diffraction. EELS …

Clustering analysis strategies for electron energy loss spectroscopy (EELS)

P Torruella, M Estrader, A López-Ortega, MD Baró… - Ultramicroscopy, 2018 - Elsevier
In this work, the use of cluster analysis algorithms, widely applied in the field of big data, is
proposed to explore and analyze electron energy loss spectroscopy (EELS) data sets. Three …

Relationships between Compositional Heterogeneity and Electronic Spectra of (Ga1–xZnx)(N1–xOx) Nanocrystals Revealed by Valence Electron Energy …

BF Hammel, LMG Hall, LM Pellows… - The Journal of …, 2023 - ACS Publications
Many ternary and quaternary semiconductors have been made in nanocrystalline forms for a
variety of applications, but we have little understanding of how well their ensemble …

The role of the interface in germanium quantum dots: when not only size matters for quantum confinement effects

S Cosentino, AM Mio, EG Barbagiovanni, R Raciti… - Nanoscale, 2015 - pubs.rsc.org
Quantum confinement (QC) typically assumes a sharp interface between a nanostructure
and its environment, leading to an abrupt change in the potential for confined electrons and …

[HTML][HTML] Luminescent mesoporous nanorods as photocatalytic enzyme-like peroxidase surrogates

MC Ortega-Liebana, JL Hueso… - Chemical …, 2018 - pubs.rsc.org
Herein we report on a novel inorganic peroxidase-mimicking nanocatalyst activated under
blue LED photoirradiation. A novel flash-pyrolysis method has been developed for the …

Effect of Si3N4‐Mediated Inversion Layer on the Electroluminescence Properties of Silicon Nanocrystal Superlattices

J López‐Vidrier, S Gutsch, O Blázquez… - Advanced Electronic …, 2018 - Wiley Online Library
The achievement of an efficient all‐Si electrically‐pumped light emitter is a major milestone
in present optoelectronics still to be fulfilled. Silicon nanocrystals (Si NCs) are an attractive …

Spatially varying chemical phase formation on silicon nano ripple by low energy mixed ions bombardment

J Mukherjee, D Bhowmik… - Journal of Physics …, 2022 - iopscience.iop.org
We report mixed (CO+ and N 2+) ion beam induced spatially varying chemical phases
formation on Si (100) surface in nanometer length scale. Simultaneous bombardment of …