Results 1 to 10 of about 851,280 (268)

Synthesis, Electronic Structure, and Electrochemical Properties of the Cubic Mg2MnO4 Spinel with Porous-Spongy Structure

open access: yesNanomaterials, 2021
Mg2MnO4 nanoparticles with cubic spinel structure were synthesized by the sol-gel method using polyvinyl alcohol (PVA) as a chelating agent. X-ray powder diffraction, infrared spectrum (IR), scanning electron microscope (SEM), and transmission electron ...
Zhenyan Wang   +10 more
doaj   +1 more source

Recent progress in terahertz modulation using photonic structures based on two‐dimensional materials

open access: yesInfoMat, 2021
Terahertz (THz) technology has attracted great attention in the past few decades for its unique applications in various fields, including spectroscopy, noninvasive detection, wireless communications, and imaging. In parallel to this, the practical, fast,
Ziming Wang   +6 more
doaj   +1 more source

Angular engineering strategy of an additional periodic phase for widely tunable phase-matched deep-ultraviolet second harmonic generation

open access: yesLight: Science & Applications, 2022
A widely tunable phase-matched second harmonic generation (221–332 nm) covering almost the entire deep-UV spectral range is experimentally realized by angular engineering strategy of an additional periodic phase.
Mingchuan Shao   +3 more
doaj   +1 more source

Spontaneous Growth of CaBi4Ti4O15 Piezoelectric Crystal Using Mixed Flux Agents

open access: yesCrystals, 2020
The bismuth layer-structured ferroelectrics (BLSFs) materials have potential for high-temperature piezoelectric applications. Among these piezoelectric materials, the CaBi4Ti4O15 (CBT) piezoelectric ceramic with a high decomposition temperature of about ...
Mengdi Fan   +6 more
doaj   +1 more source

Efficient Direct Laser Generation by Three‐Phonon‐Assisted Transition with Yb:YCOB Crystal

open access: yesAdvanced Photonics Research, 2023
Electron–phonon‐coupling effect can generate the direct lasing beyond the fluorescence spectrum of the gain medium, but the laser efficiency is still low owing to weak multiphonon‐coupling intensity.
Huichen Si   +5 more
doaj   +1 more source

Electrospinning fabrication of flexible Fe3O4 fibers by sol-gel method with high saturation magnetization for heavy metal adsorption

open access: yesMaterials & Design, 2020
Magnetic fibers adsorbent has attracted more and more attention because of the large surface area and overcoming the disadvantages of easy agglomeration and difficult separation.
Shuying Shi   +8 more
doaj   +1 more source

Review of the Yb3+:ScBO3 Laser Crystal Growth, Characterization, and Laser Applications

open access: yesApplied Sciences, 2021
Passive Q-switching is an effective approach for generating pulsed lasers, owing to its compact and additional modulation-free design. However, to compare favorably with active Q-switching and multi-stage amplification, the output energy needs to be ...
Dazhi Lu   +4 more
doaj   +1 more source

Preparation of NbAs Single Crystal by the Seed Growth Process

open access: yesCrystals, 2022
A Weyl semimetal is a novel crystal with low-energy electronic excitations that behave as Weyl fermions. It has received worldwide interest and was believed to have introduced the next era of condensed matter physics after graphene and three-dimensional ...
Yinchang Sun   +6 more
doaj   +1 more source

Photocatalytic Properties of Nitrogen-Doped Bi12TiO20 Synthesized by Urea Addition Sol-Gel Method

open access: yesInternational Journal of Photoenergy, 2012
Undoped and nitrogen-doped Bi12TiO20 materials were synthesized by urea addition sol-gel method. By adding urea, undoped, and N-doped gel-type precursors were synthesized by low-temperature dehydrolyzation.
Jiyong Wei   +8 more
doaj   +1 more source

Improving the Luminescence Performance of Monolayer MoS2 by Doping Multiple Metal Elements with CVT Method

open access: yesNanomaterials, 2023
Two-dimensional (2D) transition metal dichalcogenides (TMDCs) draw much attention as critical semiconductor materials for 2D, optoelectronic, and spin electronic devices.
Bojin Zhao   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy