Materials Letters
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3.42
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#1Vibhor Kumar (RU: Rutgers, The State University of New Jersey)H-Index: 3
#2A. S. Maan (MDU: Maharshi Dayanand University)H-Index: 15
Last. Jamil Akhtar (Manipal University Jaipur)H-Index: 16
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Abstract null null Present work investigates defect levels in Ni/4H-SiC Schottky diode implanted with 200 MeV Ag14+ ions at a fluence of 1×1012 ions/cm2, employing deep level transient spectroscopic technique. In pristine material, two defect levels below conduction minimum, i.e., null null null null null E null c null null - null 0.10 null null null null eV and null null null null null E null c null null - null 0.24 null null null null eV are found which attributes to nitrogen impurity and carb...
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#2Indra SulaniaH-Index: 16
Last. Pratap K. Sahoo (NISER: National Institute of Science Education and Research)H-Index: 20
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#1I. A. Romanov (BSU: Belarusian State University)H-Index: 4
#2F. F. Komarov (NUST: National University of Science and Technology)H-Index: 21
Last. Johannes H. Neethling (NMU: Nelson Mandela University)H-Index: 15
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Abstract null null High-fluence ion implantation has been applied to create silica-based light-emitting nanocomposite for silicon photonics. Samples of SiO2/Si have been implanted with Sn ions (80 keV, 2.5×1016 cm-2, 5×1016 cm-2 and 1×1017 ion/cm2) and afterwards annealed at 900 °C for 60 min in air ambient. The intense violet band at 3.2 eV dominates in null photoluminescence null (PL) end null electroluminescence null (EL) spectra. Its intensity decreases with the Sn concentration increase in ...
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#1Pei-Kai Hsu (NTUST: National Taiwan University of Science and Technology)H-Index: 1
#2Shih-Yun Chen (NTUST: National Taiwan University of Science and Technology)H-Index: 10
Last. Kiyokazu Yasuda (Osaka University)H-Index: 9
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Abstract null null Hollow iron submicron spheres with high saturation magnetization at room temperature were successfully developed for the first time. By means of spray pyrolysis, α -Fe2O3 hollow spheres with the diameter ranging from 0.5 µm to 2.5 µm and an average shell thickness of approximately 20 nm could be obtained in large scale. In subsequent reductive annealing under dilute hydrogen atmosphere, as-synthesized α -Fe2O3 can be transformed into Fe3O4, unstable FeO, and Fe in sequence wit...
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#1Fei Gao (TYUST: Taiyuan University of Science and Technology)H-Index: 1
#2Yuyan Li (TYUST: Taiyuan University of Science and Technology)
Last. Rong Zhang (CAS: Chinese Academy of Sciences)
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Abstract null null A coal hydrogasification residue, semi-coke (SC), was recycled to prepare SC-based composites for microwave absorption by a facile method. This mainly involved loading an ethanol solution of cobalt nitrate onto SC and then conducting in-situ carbothermal reduction. The results showed that, a Co/SC composite could be obtained at a carbothermal temperature of 700 ℃ (denoted by CoSC700). The CoSC700 composite exhibited excellent performance with a minimum reflection loss value of...
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#1Yufeng Tao (HUST: Huazhong University of Science and Technology)H-Index: 6
#2YunPeng Ren (Jiangsu University)
Last. Hui Hao (NNU: Nanjing Normal University)
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Abstract null null We unexpectedly found a femtosecond laser deposition (fs-LD) technique for single-step fabricating Tin-oxide gas sensors coupling with peripheral interdigitated electrodes. Photons hit the precursor for an ultrafast nucleation and crystal growth at a nanometric voxel to grow non-directional SnO2 nanocrystal. We utilized the tunable laser exposure dose for morphological control, and the SnO2 nanospheres were optically assembled into micro-structured bridges interconnecting meta...
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#1Margaret Dawson (UFSCar: Federal University of São Carlos)H-Index: 3
#2Caue Ribeiro (EMBRAPA: Brazilian Agricultural Research Corporation)H-Index: 50
Last. Márcio Raymundo Morelli (UFSCar: Federal University of São Carlos)H-Index: 22
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Abstract null null Tin halide perovskite (CH3NH3SnI3) is an environmentally-friendly substitute for lead perovskite. A common precursor utilized for CH3NH3SnI3 synthesis is SnI2 despite being expensive and impractical for large scale synthesis. Also, SnI2 is prone to tin(IV) contamination, the leading cause of instability and poor performance. Here, tin(II) sulfate (SnSO4) and tin(II) octoate (C16H30O4Sn) are introduced as cheaper and stable precursors. Using the precursors including SnI2, perov...
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#2T.G. Nithya (SRM Institute of Science and Technology)
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Abstract null null In this study, zinc oxide nanoparticles synthesized from prickly pear fruit peel infusions (PP-ZnO-NPs) are in crystalline nature, 10-80 nm size range, high purity (Zn-80.37% and O-19.63%), possess relevant functional groups and optical properties. PP-ZnO-NPs mediated photocatalytic mitigation of 10 selected EDCs was higher (81-99%) under solar irradiation with fixed operative conditions. Further, the PP-ZnO-NPs efficiency on diluted (1:250 ratio) tannery wastewater was found ...
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#1Chuanlin Sun (USTC: University of Science and Technology of China)H-Index: 4
#2Yinduan Gao (USTC: University of Science and Technology of China)
Last. Xinglong Gong (USTC: University of Science and Technology of China)H-Index: 68
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Abstract null null Acoustic structures with active control capabilities are crucial in practical noise reduction. In this work, magnetic tunable sound absorption channels were developed to achieve magnetic acoustic control. The magnetic switch made of hard magnetic composites were inserted in the channel and their magnetic anisotropy was utilized to shift the frequency of peak sound absorption. The sound absorption channels were composed of several lateral Helmholtz units with different lengths,...
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#1Zhiyuan Zhou (ZJU: Zhejiang University)
#2Jiamin Zhang (ZJU: Zhejiang University)H-Index: 3
Last. Zuobing Chen (ZJU: Zhejiang University)
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Abstract null null Graphene (Gr)/ poly(vinylidenefluoride-co-trifluoroethylene) (P(VDF-TrFE)) composite films were annealed by the photothermal effect that produced between near-infrared laser and graphene. Raman spectra, X-ray Diffraction (XRD), Fourier-Transformed Infrared Spectroscopy (FTIR), Differential scanning calorimetry (DSC) are used to characterize the crystalline state of Gr/P(VDF-TrFE) films. Further, piezoelectric coefficient d33 were to test polarization performance. Finally, the ...
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