Platinum and platinum oxide nanoparticles generated by unipolar spark discharge

T Němec, J Šonský, J Gruber, E de Prado… - Journal of Aerosol …, 2020 - Elsevier
Platinum nanoparticles were generated by spark discharge in forming gas (95 vol% nitrogen
and 5 vol% hydrogen) and in air. An in-house developed spark discharge generator was …

Cave bacteria-induced amorphous calcium carbonate formation

NT Enyedi, J Makk, L Kótai, B Berényi, S Klébert… - Scientific reports, 2020 - nature.com
Amorphous calcium carbonate (ACC) is a precursor of crystalline calcium carbonates that
plays a key role in biomineralization and polymorph evolution. Here, we show that several …

Evaluating the accuracy of common γ-Al2O3 structure models by selected area electron diffraction from high-quality crystalline γ-Al2O3

HO Ayoola, SD House, CS Bonifacio, K Kisslinger… - Acta Materialia, 2020 - Elsevier
Single crystal and textured polycrystalline γ-Al 2 O 3 thin films were synthesized by oxidation
of NiAl (110) in air at 850° C for 1 and 2 h, respectively, and used to evaluate the accuracy of …

Microstructure, phase composition and hardness evolution in 316L stainless steel processed by high-pressure torsion

J Gubicza, M El-Tahawy, Y Huang, H Choi… - Materials Science and …, 2016 - Elsevier
A 316L stainless steel was processed by high-pressure torsion (HPT) to evaluate the grain
refinement and phase transformation. The initial material was essentially a single phase γ …

Ionic conductivity and crystallization process in the Li2S–P2S5 glass electrolyte

H Tsukasaki, S Mori, S Shiotani, H Yamamura - Solid State Ionics, 2018 - Elsevier
The ionic conductivity of the Li 2 S–P 2 S 5 glass electrolyte systems strongly depends on
the type of precipitated crystalline phases and heat-treatment conditions. To clarify the …

Investigation of SEI layer formation in conversion iron fluoride cathodes by combined STEM/EELS and XPS

M Sina, R Thorpe, S Rangan, N Pereira… - The Journal of …, 2015 - ACS Publications
Li-ion cathodes based on conversion reactions such as iron fluoride (FeF2) can achieve in
principle high specific capacity. However, significant capacity fading is observed upon …

Study of the microstructure of amorphous silica nanostructures using high-resolution electron microscopy, electron energy loss spectroscopy, X-ray powder diffraction …

L Khouchaf, K Boulahya, PP Das, S Nicolopoulos… - Materials, 2020 - mdpi.com
Silica has many industrial (ie, glass formers) and scientific applications. The understanding
and prediction of the interesting properties of such materials are dependent on the …

[HTML][HTML] Anisotropic magnetoresistance (AMR) of cobalt: hcp-Co vs. fcc-Co

M El-Tahawy, L Péter, LF Kiss, J Gubicza… - Journal of Magnetism …, 2022 - Elsevier
In spite of the numerous works devoted to studying the magnetoresistance of Co metal, very
diverging results have been reported in the literature on the magnitude of the anisotropic …

[HTML][HTML] Ambient pressure CO2 hydrogenation over a cobalt/manganese-oxide nanostructured interface: A combined in situ and ex situ study

G Varga, A Sápi, T Varga, K Baán, I Szenti, G Halasi… - Journal of catalysis, 2020 - Elsevier
We report on a cobalt/manganese-oxide interface catalyst with outstanding activity and
selectivity towards methane even at high temperatures and ambient pressure in CO 2 …

Towards quantitative treatment of electron pair distribution function

TE Gorelik, R Neder, MW Terban, Z Lee… - … Section B: Structural …, 2019 - journals.iucr.org
The pair distribution function (PDF) is a versatile tool to describe the structure of disordered
and amorphous materials. Electron PDF (ePDF) uses the advantage of strong scattering of …