Results 1 to 10 of about 4,839,794 (300)

Accurate lattice parameters from 3D electron diffraction data. I. Optical distortions [PDF]

open access: yesIUCrJ, 2022
Determination of lattice parameters from 3D electron diffraction (3D ED) data measured in a transmission electron microscope is hampered by a number of effects that seriously limit the achievable accuracy.
Petr Brázda   +3 more
doaj   +2 more sources

Influence of Milling Time on Formation of NiTi Alloy Produced by High-Energy Ball Milling [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
Mixture of nickel and titanium powders were milled in planetary mill under argon atmosphere for 100 hours at room temperature. Every 10 hours the structure, morphology and chemical composition was studied by X-ray diffraction method (XRD), scanning ...
P. Salwa, T. Goryczka
doaj   +3 more sources

Phase equilibria in the La2O3-Y2O3-Gd2O3 system at 1500°C [PDF]

open access: yesProcessing and Application of Ceramics, 2022
The phase equilibria in the ternary La2O3-Y2O3-Gd2O3 system at 1500°C were studied by X-ray diffraction, petrography and electron microscopy in the overall concentration range.
Chudinovych Olga V.   +2 more
doaj   +1 more source

Extreme Learning Machine Approach to Modeling the Superconducting Critical Temperature of Doped MgB2 Superconductor

open access: yesCrystals, 2022
Magnesium diboride (MgB2) superconductor combines many unique features such as transparency of its grain boundaries to super-current flow, large coherence length, absence of weak links and small anisotropy.
Sunday Olusanya Olatunji   +1 more
doaj   +1 more source

Modeling optical gap of cupric oxide nanomaterial semiconductor using hybrid intelligent method

open access: yesCogent Engineering, 2023
Copper II oxide (CuO) semiconductor belongs to the compound of metal oxide with abundant uniqueness and features which facilitate its wider applicability.
Abdullah Alqahtani
doaj   +1 more source

Cyclic Lattices, Ideal Lattices and Bounds for the Smoothing Parameter [PDF]

open access: yesJournal of Information Security, 2022
Cyclic lattices and ideal lattices were introduced by Micciancio in \cite{D2}, Lyubashevsky and Micciancio in \cite{L1} respectively, which play an efficient role in Ajtai’s construction of a collision resistant Hash function (see \cite{M1} and \cite{M2}) and in Gentry’s construction of fully homomorphic encryption (see \cite{G}).
Zhiyong Zheng   +3 more
openaire   +3 more sources

Synthesis of chemically pure b-phase powders of gallium(III) oxide

open access: yesКонденсированные среды и межфазные границы, 2022
The purpose of our study was to develop an optimal procedure for the synthesis of the b-phase of gallium(III) oxide with a high degree of chemical purity.
Alexander M. Samoylov   +3 more
doaj   +1 more source

Structural and microstructural study of gamma ray-irradiated co-doped barium titanate (Ba0.88Ca0.12Ti0.975Sn0.025O3) [PDF]

open access: yesProcessing and Application of Ceramics, 2016
Barium calcium stannate titanate (Ba0.88Ca0.12Ti0.975Sn0.025O3) ceramics, synthesized by solid state reaction method and sintered at 1100 °C/3 h, were exposed to gamma radiation dose of up to 1 kGy using a Cs-137 irradiation source at a dose rate of 100 ...
Umaru Ahmadu   +4 more
doaj   +1 more source

Improvement in Optoelectronic Properties of Bismuth Sulphide Thin Films by Chromium Incorporation at the Orthorhombic Crystal Lattice for Photovoltaic Applications

open access: yesMolecules, 2022
By using the chemical bath deposition approach, binary bismuth sulphides (Bi2S3) and chromium-doped ternary bismuth sulphides (Bi2−xCrxS3) thin films were effectively produced, and their potential for photovoltaic applications was examined.
Tanzeela Fazal   +11 more
doaj   +1 more source

A Highly Efficient and Stable Photocatalyst; N-Doped ZnO/CNT Composite Thin Film Synthesized via Simple Sol-Gel Drop Coating Method

open access: yesMolecules, 2021
The thin film of N-doped ZnO/CNT nanocomposite was successfully fabricated on soda lime glass substrate by a simple sol-gel drop-coating method. The structural, morphological, chemical, and optical properties of as prepared samples were characterized by ...
Md Elias   +7 more
doaj   +1 more source

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