Results 1 to 10 of about 616,292 (146)

High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals [PDF]

open access: yesModern Electronic Materials, 2021
Lithium niobate and tantalate are among the most important and widely used materials of acoustooptics and acoustoelectronics. They have high piezoelectric constants enabling their use as actuators.
Anatolii A. Mololkin   +3 more
doaj   +3 more sources

The Electrophoretic Deposition of Nanopowders Based on Yttrium Oxide for Bulk Ceramics Fabrication

open access: yesInorganics, 2022
In the present work, a study was carried out to investigate the key factors that determine the uniformity, mass, thickness, and density of compacts obtained from nanopowders of solid solutions of yttrium and lanthanum oxides ((LaxY1−x)2O3) with the help ...
Elena Kalinina, Maxim Ivanov
doaj   +1 more source

Changes in the Raman Spectrum of Monolayer Graphene under Compression/Stretching Strain in Graphene/Piezoelectric Crystal Structures

open access: yesNanomaterials, 2023
Results from studying the effect of an applied electric voltage on the Raman spectrum of graphene deposited on a lithium niobate crystal substrate with a ferroelectric domain structure are presented.
Artemy Irzhak   +4 more
doaj   +1 more source

Self-template synthesis of hollow flower-like NiCo2O4 nanoparticles as an efficient bifunctional catalyst for oxygen reduction and oxygen evolution in alkaline media

open access: yesNanotechnology Reviews, 2023
A method was proposed to synthesize hollow flower-like NiCo2O4 composed of porous nanosheets using a self-template approach. The unique structure is attributed to the synergistic effect of the Kirkendall effect and the Ostwald ripening mechanism.
Fu Lixiang   +5 more
doaj   +1 more source

Deformation mechanisms of a NiTi alloy under high cycle fatigue

open access: yesJournal of Materials Research and Technology, 2022
In this paper, high-cycle fatigue mechanisms of a pseudoelastic NiTi shape memory alloy (SMA) under different mean strains are investigated. The uni-axial cyclic tensile tests with small amplitude of 0.25% are operated at three different states, i.e ...
Junfeng Luo   +4 more
doaj   +1 more source

Recent Achievements in Development of Chalcogenide Optical Fibers for Mid-IR Sensing

open access: yesFibers, 2023
Recent results of research of passive and active optical waveguides made of high-purity chalcogenide glasses for middle infrared fiberoptic evanescent wave spectroscopy of liquid and gaseous substances are presented.
Vladimir S. Shiryaev   +5 more
doaj   +1 more source

Study of the effect of local photon annealing on stress in silicon wafers [PDF]

open access: yesModern Electronic Materials, 2019
The effect of photon annealing on deformation in the crystal structure of boron doped Cz-Si wafers has been studied using triple crystal X-ray diffraction.
Vitaliy V. Starkov   +3 more
doaj   +3 more sources

Influence of Luminescent Properties of Powders on the Fabrication of Scintillation Ceramics by Stereolithography 3D Printing

open access: yesCeramics, 2023
Luminescent and scintillation ceramic materials with complex shapes, which can be created by stereolithography 3D printing, are of interest for special phosphor and detector applications. Starting powders for such ceramics may possess UV absorption bands;
Lydia V. Ermakova   +7 more
doaj   +1 more source

Acetone and isopropanol – a new liquid precursor for the controllable transfer- and lithography-free CVD of graphene-like films

open access: yesJournal of Materials Research and Technology, 2021
Liquid precursors are of high practical interest for the chemical vapor deposition (CVD) of graphene and related materials. In terms of cost, safety and technological operability, the liquids are significantly more attractive than the conventional gas ...
Daria M. Sedlovets   +4 more
doaj   +1 more source

Effect of low-energy electron irradiation on voltage-capacity curves of Al/SiO2/Si structure [PDF]

open access: yesModern Electronic Materials, 2019
Charging of dielectric targets by electron irradiation is a well-known phenomenon which should be taken into account in characterization of dielectric materials and coatings with electron microscopy, in electron beam lithography, in development of ...
Yuriy O. Kulanchikov   +2 more
doaj   +3 more sources

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