Articles with "point defect" as a keyword



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2D microwave metallic photonic crystal point‐defect‐cavity resonator

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Published in 2017 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.30767

Abstract: Novel microwave high-Q point-defect-cavity (PDC) resonators based on metallic photonic crystals (M-PhCs) are experimentally studied. After the illustration of the band structure of M-PhCs, the first two resonant modes of a PDC are computed by… read more here.

Keywords: metallic photonic; microwave metallic; point defect; cavity ... See more keywords
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Impact of intrinsic point defect concentration on thermal transport in titanium dioxide

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Published in 2017 at "Acta Materialia"

DOI: 10.1016/j.actamat.2017.01.018

Abstract: Abstract The thermal conductivity of functional oxide materials can be significantly impacted by variations in point defect concentration, especially at high concentrations where defect interactions can result in extended defects and secondary phase formation. In… read more here.

Keywords: thermal transport; thermal conductivity; point defect; point ... See more keywords
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Isostructural phase transition by point defect reorganization in the binary type-I clathrate Ba7.5Si45

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Published in 2021 at "Acta Materialia"

DOI: 10.1016/j.actamat.2021.116824

Abstract: Abstract Competition between point defect (vacancy and interstitial) microscopic configurations is inherent to crystalline phases of increased structural complexity. Phase transitions that preserve symmetry between them belong to a specific class of isostructural transitions. Type-I… read more here.

Keywords: point defect; point; phase; transition ... See more keywords
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Effects of Li doping and point defect on the magnetism of ZnO

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.09.002

Abstract: Abstract The magnetism sources and magnetic mechanism of Li doping and point defect, which coexist in the presence of hexagonal wurtzite ZnO, are controversial. To solve these problems, the effects of Li doping and point… read more here.

Keywords: magnetism; vacancy; zno; doping point ... See more keywords
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Study on band gaps structure and eigenfield distribution of two-dimensional function photonic crystals with point defect

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.06.059

Abstract: Abstract In the paper, we studied the two-dimensional function photonic crystal include point defect, and calculated the band gap structure, defect mode and defect mode eigenfield distribution by COMSOL software. The two-dimensional function photonic crystals,… read more here.

Keywords: dimensional function; two dimensional; point defect; defect ... See more keywords
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A novel approach to quantifying the kinetics of point defect absorption at dislocations

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Published in 2019 at "Journal of the Mechanics and Physics of Solids"

DOI: 10.1016/j.jmps.2018.08.023

Abstract: Abstract Microstructure evolution under creep loading and/or irradiation is largely affected by the two-way coupling between dislocation induced plasticity and point defect diffusion as mediated by the internal elastic strain field within the medium. The… read more here.

Keywords: point defect; approach quantifying; strain; novel approach ... See more keywords
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Based on internal friction theory: Investigating of Fe-based bulk amorphous alloys on mechanical properties with different Si content

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Published in 2021 at "Journal of Non-Crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2021.120813

Abstract: Abstract In the current work, internal friction and mechanical properties of a Fe41Co7Cr15Mo14-xC15B6Y2Six (x = 0.5, 1, 1.5 and 2 at.%) bulk metallic glasses (BMGs) was investigated. Investigations demonstrated that the Si content could play an important… read more here.

Keywords: internal friction; point defect; based bulk; mechanical properties ... See more keywords
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Quasi-chemical analysis of point defect structure іn Mn-doped CdTe single crystals

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Published in 2020 at "Journal of Physics and Chemistry of Solids"

DOI: 10.1016/j.jpcs.2019.109290

Abstract: Abstract Electrical properties of CdTe single crystals, doped by Mn (1 × 1017–1 × 1019 at/cm3), were studied in the wide temperature range using high-temperature Hall effect measurements. To explain the obtained electrical properties the numerical simulation of the structure… read more here.

Keywords: cdte single; quasi chemical; single crystals; point defect ... See more keywords
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Investigation of photo-induced corrosion of copper in aqueous solution based on point defect model

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2020.123648

Abstract: Abstract The corrosion behaviors of Cu in a chloride-containing borate buffer solution (pH 8.4) with and without visible light illumination were investigated in the present work. Visible light illumination was shown to induce distinct corrosion… read more here.

Keywords: defect model; visible light; light illumination; point defect ... See more keywords
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Theoretical investigation on the point defect formation energies in beryllium and comparison with experiments

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Published in 2017 at "Nuclear materials and energy"

DOI: 10.1016/j.nme.2017.05.012

Abstract: Abstract Beryllium will be used as a plasma-facing material for ITER and will retain radioactive tritium fuel under normal operating conditions; this poses a safety issue. Vacancies play one the key roles in the trapping… read more here.

Keywords: formation; investigation; point defect; theoretical investigation ... See more keywords
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Enhancing the Thermoelectric Performance of Mg2Sn Single Crystals via Point Defect Engineering and Sb Doping.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c17462

Abstract: Mg2Sn is a potential thermoelectric (TE) material that exhibits environmental compatibility. In this study, we fabricated Sb-doped Mg2Sn (Mg2Sn1-xSbx) single-crystal ingots and demonstrated the enhancement of TE performance via point defect engineering and Sb doping.… read more here.

Keywords: xsbx single; single crystal; point defect; mg2sn1 xsbx ... See more keywords