Showing 141 - 160 results of 281 for search '"Raman spectroscopy"', query time: 0.05s Refine Results
  1. 141

    Ti MINERALS IN ORES AND SKARNS OF THE AKTASH MAGNETITE-POLYMETALLIC DEPOSIT, WESTERN KARAMAZAR, TAJIKISTAN by U.A. Yatimov, I.A. Blinov, M.A. Rassomakhin, S.M. Lebedeva, N.S. Safaraliev

    Published 2024-12-01
    “…The presence of anatase, pyrophanite, perovskite and titanite is also confirmed by Raman spectroscopy. Perovskite and calzirtite are found in serpentine-phlogopite-calcite skarns, anatase, pyrophanite, perovskite, zirconolite and titanite are determined in serpentine-garnet-pyroxene skarns, which host galena-sphalerite ores, and pyrophanite and titanite are identified in sulfide-magnetite ores. …”
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  2. 142

    Laser-Induced Point Defects in Fused Silica Irradiated by UV Laser in Vacuum by Xiaoyan Zhou, Xinda Zhou, Jin Huang, Qiang Cheng, Fengrui Wang, Xin Ye, Xiaodong Jiang, Weidong Wu

    Published 2014-01-01
    “…Laser-induced defects are investigated by UV spectroscopy, and fluorescence spectra and correlated to the structural modifications in the glass matrix through Raman spectroscopy. Results show that, for laser fluence below laser-induced damage threshold (LIDT), the absorbance and intensity of fluorescence bands increase with laser energies and/or number of laser pulses, which indicates that laser-induced defects are enhanced by laser energies and/or number of laser pulses in vacuum. …”
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  3. 143

    Uniform Decoration of Reduced Graphene Oxide Sheets with Gold Nanoparticles by Huanping Yang, Weiwei Zhou, Bo Yu, Yingying Wang, Chunxiao Cong, Ting Yu

    Published 2012-01-01
    “…As a concept, the RGO-supported Au NPs is applied to surface-enhanced Raman spectroscopy.…”
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  4. 144

    Preparation, Characterization, and Activity of Y2O3-ZnO Complex Oxides for the Photodegradation of 2,4-Dinitrophenol by Tong-ming Su, Zu-zeng Qin, Hong-bing Ji, Yue-xiu Jiang

    Published 2014-01-01
    “…The Y2O3-ZnO complex oxides were characterized by X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy, physisorption analyzer, and terephthalic acid photoluminescence probing techniques and were used for the degradation of 2,4-dinitrophenol. …”
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  5. 145

    Bactericidal Activity of TiO2 on Cells of Pseudomonas aeruginosa ATCC 27853 by J. L. Aguilar Salinas, J. R. Pacheco Aguilar, S. A. Mayén Hernández, J. Santos Cruz

    Published 2013-01-01
    “…The obtained gel annealed at 450°C was characterized by X-ray diffraction, Raman spectroscopy, ultraviolet-visible spectroscopy, diffuse reflectance, scanning electron microscopy, and transmission electron microscopy. …”
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  6. 146

    Spectral Characterization of Pigment from the No. 1 Cave, Kizil Cave-Temple Complex by Liu Liu, Jintao He, Mei Ye, Zhanyun Zhu, Qing Zhong, Junchang Yang

    Published 2019-01-01
    “…Scientific methods such as optical microscopy (OM), scanning electron microscopy combined with energy dispersive X-ray analysis (SEM-EDS), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), and X-ray diffusion (XRD) were applied to analyze the pigments and organic coating used in the No. 1 Cave. …”
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  7. 147

    Modified fracture properties of cement composites with nano/micro carbonized bagasse fibers by Rao Arsalan Khushnood, Sajjad Ahmad, Giuseppe Andrea Ferro, Luciana Restuccia, Jean Marc Tulliani, Pravin Jagdale

    Published 2015-10-01
    “…Carbonized bagasse particles were produced at Politecnico di Torino and characterized by Raman spectroscopy and scanning electron microscopy. When added with cement paste up to 1 wt% in six different proportions, the carbonized bagasse particles were found effective in significant enhancement of mechanical strength as well as fracture toughness. …”
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  8. 148

    Raman and Photoluminescence Studies of Quasiparticles in van der Waals Materials by Mansour M. AL-Makeen, Mario H. Biack, Xiao Guo, Haipeng Xie, Han Huang

    Published 2025-01-01
    “…Here, we review our past years’ findings, focusing on many-body interactions in 2D layered materials, including phonon anharmonicity, electron–phonon coupling (<i>e-ph</i>), exciton dynamics, and phonon anisotropy based on temperature (polarization)-dependent Raman spectroscopy and Photoluminescence (PL). Our review sheds light on the role of quasi-particles in tuning the material properties, which could help optimize 2D materials for future applications in electronic and optoelectronic devices.…”
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  9. 149

    Hybrid Carbon Fibers/Carbon Nanotubes Structures for Next Generation Polymeric Composites by M. Al-Haik, C. C. Luhrs, M. M. Reda Taha, A. K. Roy, L. Dai, J. Phillips, S. Doorn

    Published 2010-01-01
    “…Characterization for comparison between both techniques was compared via SEM, TEM, and Raman spectroscopy analysis. It is shown that while both techniques were successful to grow CNTs on the carbon fiber surfaces, iron sputtering technique was capable of producing more uniform distribution of iron catalyst and thus multiwall carbon nanotubes (MWCNTs) compared to MWCNTs grown using the electrochemical deposition of iron.…”
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  10. 150

    Effect of Nanodiamonds on Friction Reduction Performance in Presence of Organic and Inorganic Friction Modifiers by A. K. Piya, L. Yang, N. Emami, A. Morina

    Published 2024-12-01
    “…Analysis of wear scars using High-Resolution Transmission Electron Microscopy (HRTEM), Atomic Force Microscopy (AFM) and Raman spectroscopy reveals that when NDs are fully entrapped into the formed tribofilm that contains the MoDTC-derived MoS<sub>2</sub> layer, the lowest friction coefficient can be achieved.…”
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  11. 151

    Surfactant Assisted Stabilization of Carbon Nanotubes Synthesized by a Spray Pyrolysis Method by D. Mendoza-Cachú, C. Mercado-Zúñiga, G. Rosas

    Published 2017-01-01
    “…Dispersion of the nanotubes was assessed using different surfactants, such as sodium dodecyl-sulfate (SDS) and ethylenediaminetetraacetic acid (EDTA). Finally, Raman spectroscopy, UV-Vis, and SEM techniques confirm that better results were obtained with EDTA. …”
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  12. 152

    Self-Assemblies of Single-Walled Carbon Nanotubes through Tunable Tethering of Pyrenes by Dextrin for Rapidly Chiral Sensing by Wei-Li Wei, Qiushui Chen, Haifang Li, Jin-Ming Lin

    Published 2011-01-01
    “…Py-Dex and Py-Dex-SWNTs were adequately characterized by NMR, UV-vis, fluorescence spectroscopy, Raman spectroscopy, matrix-assisted laser desorption/ionization-time of flight mass spectroscopy, and transmission electron microscopy. …”
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  13. 153

    Properties of Aluminosilicate Refractories with Synthesized Boron-Modified TiO2 Nanocrystals by Claudia Carlucci, Francesca Conciauro, Barbara Federica Scremin, Antonio Graziano Antico, Marco Muscogiuri, Teresa Sibillano, Cinzia Giannini, Emanuela Filippo, Caterina Lorusso, Paolo Maria Congedo, Giuseppe Ciccarella

    Published 2015-03-01
    “…The produced TiO2:(B) nanocrystals were characterized in detail by low magnification Transmission Electron Microscopy (TEM), Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES), X-Ray Diffractometry (XRD), and a Micro Raman Spectroscopy. One of the obtained samples was then tested as an additive in various amounts in a typical aluminosilicate refractory composition. …”
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  14. 154

    Effect of High Pressure on the Molecular Structure and π-Electrons Delocalization of Canthaxanthin as Revealed by Raman Spectra by Shun-li Ou-Yang, Nan-nan Wu, Yan-jie Tian

    Published 2015-01-01
    “…The effect of high pressure on the molecular structure and π-electron delocalization of canthaxanthin was studied by in situ resonance Raman spectroscopy. Changes in the characteristic band frequency and the pressure of canthaxanthin were described. …”
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  15. 155

    Accurate Assessment of the Oxygen Reduction Electrocatalytic Activity of Mn/Polypyrrole Nanocomposites Based on Rotating Disk Electrode Measurements, Complemented with Multitechniq... by Patrizia Bocchetta, Carolina Ramírez Sánchez, Antonietta Taurino, Benedetto Bozzini

    Published 2016-01-01
    “…The characterization of Mn/PPy films is addressed to the following: (i) morphology, as assessed by Field-Emission Scanning Electron Microscopy (FE-SEM) and Atomic Force Microscope (AFM); (ii) local electrical conductivity, as measured by Scanning Probe Microscopy (SPM); and (iii) molecular structure, accessed by Raman Spectroscopy; these data provide the background against which the electrocatalytic activity can be rationalised. …”
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  16. 156

    An Expedient SERS Strip Tactic for Rapid On-Site Detection with Long-Time Sensitivity and Repeatability by Chen Wang, Yueqian Wan, Yong Su, Yafei Cai, Shengjun Xiong, Ding Yuan, Zheng Xia, Jie Zhu

    Published 2021-01-01
    “…Surface-enhanced Raman spectroscopy (SERS) has attracted lots of interest in academic and industrial fields in recent years. …”
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  17. 157

    Feasibility of Using H3PO4/H2O2 in the Synthesis of Antimicrobial TiO2 Nanoporous Surfaces by Benjamín Valdez-Salas, Ernesto Beltrán-Partida

    Published 2021-01-01
    “…The reactions were carried out for 30 min (NP14), 1 h (NP7), and 2 h (NP36), suggesting the formation of a thin nanopore layer as observed by Raman spectroscopy. Moreover, the antimicrobial activity revealed that NP7 could disrupt active microbial colonization for 2 h and 6 h. …”
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  18. 158

    Raman and Fluorescence Spectroscopy of CeO2, Er2O3, Nd2O3, Tm2O3, Yb2O3, La2O3, and Tb4O7 by Jianlan Cui, Gregory A. Hope

    Published 2015-01-01
    “…Seven rare earth oxides (CeO2, Er2O3, Nd2O3, Tm2O3, Yb2O3, La2O3, and Tb4O7) that cover the rare earth elements (REEs) from light to heavy REEs have been investigated using Raman spectroscopy. Multiple laser sources (wavelengths of 325 nm, 442 nm, 514 nm, and 632.8 nm) for the Raman shift ranges from 100 cm−1 to 5000 cm−1 of these excitations were used for each individual rare earth oxide. …”
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  19. 159

    MXene-Assisted Enhanced Electrochemical Performance of Doped Strontium Titanium Nanoparticles by Muhammad Qaiser Manzoor, Syed Irfan, null Anwar-ul-Haq, Xuyang Shi

    Published 2024-01-01
    “…The X-ray diffraction (XRD) and Raman spectroscopy analysis showed that the hybrid structure retained all the major peaks of the nanoparticles and the MXene, which showed its successful synthesis. …”
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  20. 160

    Solid Carbon Produced in an Inductively Coupled Plasma Torch with a Titan Like Atmosphere by D. Vacher, S. Menecier, M. Dudeck, M. Dubois, B. Devouard, E. Petit

    Published 2013-01-01
    “…Carbon exhibits two types of morphology more or less dense and it is analyzed by various analytic devices as MEB, SEM, TEM, EDS and Raman spectroscopy. The gathered carbon powder shows the presence of nanostructured particles.…”
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