Results 61 to 70 of about 64,588 (104)

Exploring the structural changes on excitation of a luminescent organic bromine-substituted complex by in-house time-resolved pump-probe diffraction

Structural Dynamics, 2017
The structural changes accompanying the excitation of the luminescent dibromobenzene derivative, 1,4-dibromo-2,5-bis(octyloxy)benzene, have been measured by in-house monochromatic time-resolved (TR) diffraction at 90 K.
Krishnayan Basuroy, Yang Chen, Sounak Sarkar, Jason Benedict, Philip Coppens   +4 more
doaj   +1 more source

Sr Doping and Oxygen Vacancy Formation in La_1−xSr_xScO_3−δ Solid Solutions: Computational Modelling

Crystals, 2022
Sr-doped lanthanum scandate La1−xSrxScO3−δ (LSS) is a promising perovskite-type material for electrochemical applications such as proton conductors. Oxygen vacancy is a common defect in ABO3-type perovskites.
Yuri A. Mastrikov, Denis Gryaznov, Guntars Zvejnieks, Maksim N. Sokolov, Māra Putniņa, Eugene A. Kotomin   +5 more
doaj   +1 more source

Influence of Cold Metal Transfer Parameters on Weld Bead Geometry, Mechanical Properties, and Corrosion Performance of Dissimilar Aluminium Alloys

Crystals
Aluminium alloys are known for their high strength-to-weight-ratio offering a wide range of applications in the aerospace and automotive industries. However, challenges exist like porosity, oxidation, solidification shrinkage, hot cracking, etc., in ...
Balram Yelamasetti, Mohammed Zubairuddin, Sri Phani Sushma I, Mohammad Faseeulla Khan, Syed Quadir Moinuddin, Hussain Altammar   +5 more
doaj   +1 more source

In Vivo Effects of Nanotechnologically Synthesized and Characterized Fluoridated Strontium Apatite Nanoparticles in the Surgical Treatment of Endodontic Bone Lesions

Crystals, 2022
In this study, fluoridated strontium apatite (SAP) nanoparticles with different mole percentages (5%, 10%, 30%, and 50%) synthesized using a hydrothermal method were used as biomaterials.
Faruk Oztekin, Turan Gurgenc, Serkan Dundar, Ibrahim Hanifi Ozercan, Mehmet Eskibaglar, Erhan Cahit Ozcan, Muhammet Bahattin Bingul, Osman Habek   +7 more
doaj   +1 more source

Combined Approach to the Synthesis of WC-(Fe, Ni) Hard Alloys: Mechanical Activation and Spark Plasma Sintering

Crystals
This paper presents a combined approach to the synthesis of WC-(Fe, Ni) hard alloys obtained by mechanical activation and spark plasma sintering (SPS). The main attention at this stage of the work is paid to studying the evolution of the morphology and ...
Gulzhaz Uazyrkhanova, Yernat Kozhakhmetov, Madina Aidarova, Małgorzata Rutkowska-Gorczyca, Yerkezhan Tabiyeva   +4 more
doaj   +1 more source

Investigation of Low-Calcium Circulating Fluidized Bed Fly Ash on the Mechanical Strength and Microstructure of Cement-Based Material

Crystals, 2022
This present study mainly focuses on the influence of low-calcium circulating fluidized bed fly ash (LCFA) on the mechanical property and microstructure of cement-based materials under different curing conditions.
Wenyan Zhang, Shuai Wang, Liya Zhao, Junsheng Ran, Wenjing Kang, Chunhua Feng, Jianping Zhu   +6 more
doaj   +1 more source

Temperature- and Emission Wavelength-Dependent Time Responses of Strontium Aluminates

Crystals
In this paper, we study the temperature- and emission wavelength-dependent time responses of previously reported precursor-driven Eu2+- and Dy3+-doped strontium-aluminate phosphors to create unique luminescent anti-counterfeiting tags suitable for ...
Virginija Vitola, Tinko Eftimov, Kristian Nikolov, Samia Fouzar, Katrina Krizmane   +4 more
doaj   +1 more source

The Sensing Mechanism of InAlN/GaN HEMT

Crystals, 2022
The sensing mechanism of InAlN/GaN high electron mobility transistors (HEMTs) is investigated systematically by numerical simulation and theoretical analysis.
Yanli Liu, Xiao He, Yan Dong, Su Fu, Yuhui Liu, Dunjun Chen   +5 more
doaj   +1 more source

The Effect of Heat Treatment on Yellow-Green Beryl Color and Its Enhancement Mechanism

Crystals
Beryl is classified as a cyclosilicate mineral, and its color is primarily determined by the type and oxidation state of trace elements. In this study, natural yellow-green beryl was used as the research subject, and heat treatment experiments were ...
Binru Hao, Shuxin Zhao, Qingfeng Guo
doaj   +1 more source

ZnO-Assisted Synthesis of Rouaite (Cu₂(OH)₃NO₃) Long Hexagonal Multilayered Nanoplates Towards Catalytic Wet Peroxide Oxidation Application

Crystals
Rouaite (Cu2(OH)3NO3) long hexagonal multilayered nanoplates with high purity and high crystallinity were prepared from acidic reaction solution (pH = 4.4–4.8) with the assistance of ZnO.
Guang Yao Zhou, Jun Guo, Ji Hong Wu
doaj   +1 more source