Articles with "effect oxygen" as a keyword



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Synergetic promotional effect of oxygen vacancy-rich ultrathin TiO2 and photochemical induced highly dispersed Pt for photoreduction of CO2 with H2O

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Published in 2019 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.12.028

Abstract: Abstract The ultrathin TiO2 nanosheets (TiO2-U) with abundant defects were successfully fabricated as substrates to support well-dispersed Pt nanoparticles with low metal loading by photochemical route (P), with impregnated Pt/TiO2-U, Pt/TiO2-bulk and photoreduced Pt/TiO2-bulk as… read more here.

Keywords: co2; tio2; ultrathin tio2; oxygen vacancy ... See more keywords
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Effect of oxygen on the optical, electrical and structural properties of mixed-phase boron doped nanocrystalline silicon oxide thin films

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.06.255

Abstract: Abstract Systematic investigation on the optoelectronic and structural changes occurring in the p –nc-Si network due to the inclusion of oxygen into the initial crystalline-like matrix has been done. The incorporation of O into the… read more here.

Keywords: oxygen; phase; oxygen optical; optical electrical ... See more keywords
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Effect of oxygen non-stoichiometry on magnetic and electrical transport properties of La0.67Sr0.33MnO3

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Published in 2020 at "Current Applied Physics"

DOI: 10.1016/j.cap.2020.03.013

Abstract: Abstract The effect of oxygen deficiency and oxygen excess on the magnetic and electrical transport properties of La0.67Sr0.33MnO3 has been investigated. The thermal and isothermal magnetization measurement results show that the Curie temperature and saturation… read more here.

Keywords: electrical transport; oxygen; temperature; transport properties ... See more keywords
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Effect of oxygen vacancies on dielectric properties of Ba(1-x)Nd(2x/3)TiO3 compounds

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Published in 2019 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.08.242

Abstract: Abstract In the present work, the effects of temperature and frequency on the electrical transport properties of polycrystalline samples of Ba(1-x)Nd2x/3TiO3 (BNxT) (x = 0.00 and x = 0.04), prepared by molten-salt method, are discussed. X-Ray diffraction reveals that… read more here.

Keywords: oxygen vacancies; vacancies dielectric; compounds effect; behavior ... See more keywords
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Effect of oxygen content on structural, magnetic and magnetocaloric properties of (La0.7Pr0.3)0.8Sr0.2Mn0.9Co0.1O3±δ

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Published in 2019 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2018.12.097

Abstract: Abstract The present study reports the effect of oxygen content on the structural, magnetic and magnetocaloric properties in the (La0.7Pr0.3)0.8Sr0.2Mn0.9Co0.1O3±δ (δ = +0.02, +0.01, −0.03) in the temperature range of 5–723 К. It has been found that the… read more here.

Keywords: temperature; oxygen content; effect oxygen; oxygen ... See more keywords
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Effect of oxygen vacancies on the electronic structure and dielectric properties of SrAl2O4: A first-principles study

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Published in 2022 at "Journal of Physics and Chemistry of Solids"

DOI: 10.1016/j.jpcs.2021.110297

Abstract: Abstract In this study, both the generalized gradient approximation (GGA) and the GGA-1/2 methods were applied to examine the effect of oxygen vacancies on the electronic and optical properties of bulk monoclinic SrAl2O4. Since the… read more here.

Keywords: oxygen vacancies; structure; vacancies electronic; effect oxygen ... See more keywords
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Effect of oxygen vacancies, lattice distortions and secondary phase on the structural, optical, dielectric and ferroelectric properties in Cd-doped Bi2Ti2O7 nanoparticles

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Published in 2021 at "Materials Research Bulletin"

DOI: 10.1016/j.materresbull.2021.111373

Abstract: Abstract (Bi1-xCdx)2Ti2O7 (x = 0.00, 0.02, 0.04, 0.06, 0.08, 0.10 and 0.12) nanoparticles are synthesised using the co-precipitation method. The prepared samples show pyrochlore phase formation except for x = 0.02 and 0.08, where Bi4Ti3O12 appears as a secondary… read more here.

Keywords: secondary phase; oxygen vacancies; vacancies lattice; effect oxygen ... See more keywords
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The effect of oxygen vacancies on the stability, electronic and optical properties of the ZnAl 2 O 4 (100) surface; A first-principles study

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Published in 2018 at "Surface Science"

DOI: 10.1016/j.susc.2017.12.006

Abstract: Abstract The effect of oxygen vacancy formation on the stability, structural, electronic, and optical properties of the ZnAl2O4(100) surface was investigated by using the first-principles method. The obtained results show that, in the case of… read more here.

Keywords: surface; electronic optical; optical properties; effect oxygen ... See more keywords
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Effect of Oxygen Vacancies on the Persistent Luminescence of Y3Al2Ga3O12:Ce3+,Yb3+ Phosphors.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c02420

Abstract: The effect of oxygen vacancies (VO) and the atmosphere influence on persistent luminescence (PersL) in Y3Al2Ga3O12 (YAGG):Ce3+,Yb3+ are investigated by heating it in CO2, air, and 10% H2/90% Ar atmospheres. The VO-rich YAGG phosphors with… read more here.

Keywords: effect; oxygen vacancies; effect oxygen; persistent luminescence ... See more keywords
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Effect of Oxygen Vacancies on Adsorption of Small Molecules on Anatase and Rutile TiO2 Surfaces: A Frontier Orbital Approach

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Published in 2021 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.0c09614

Abstract: Adsorption is a critical step in the initial stage of a catalytic reaction. Oxygen vacancies often become a central topic of discussion with respect to the reaction mechanism on metal oxide surface... read more here.

Keywords: vacancies adsorption; oxygen vacancies; adsorption small; effect oxygen ... See more keywords
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Resolving the Effect of Oxygen Vacancies on Co Nanostructures Using Soft XAS/X-PEEM

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Published in 2022 at "ACS Catalysis"

DOI: 10.1021/acscatal.2c00611

Abstract: Improving both the extent of metallic Co nanoparticle (Co NP) formation and their stability is necessary to ensure good catalytic performance, particularly for Fischer–Tropsch synthesis (FTS). Here, we observe how the presence of surface oxygen… read more here.

Keywords: resolving effect; nanostructures using; effect oxygen; vacancies nanostructures ... See more keywords