Showing 81 - 100 results of 105 for search 'Sparks (band)', query time: 0.12s Refine Results
  1. 81

    Large thermoelectric power factor from crystal symmetry-protected non-bonding orbital in half-Heuslers by Zhu, Hangtian, He, Ran, Mao, Jun, Liu, Zihang, Ren, Wuyang, Singh, David J., Ren, Zhifeng, Zhou, Jiawei, Liu, Te Huan, Song, Qichen, Liao, Bolin, Chen, Gang

    Published 2018
    “…Recent advancements in thermoelectric materials have achieved enhanced Seebeck coefficient by manipulating the electronic band structure. However, this approach generally applies at relatively low conductivities, preventing the realization of exceptionally high-power factors. …”
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    Article
  2. 82

    Mechanically exfoliated MoS2 nanoflakes for optimizing the thermoelectric performance of SrTiO3-based ceramic composites by Jilong Huang, Yongping Liu, Peng Yan, Jie Gao, Yuchi Fan, Wan Jiang

    Published 2022-07-01
    “…After mixed with La and Nb co-doped SrTiO3 (SLNT) powder, the MoS2/SLNT composites are fabricated by spark plasma sintering. It is found that the heterojunctions formed at MoS2/SLNT interfaces with proper band offset can effectively scatter the low-energy electrons, resulting in enhanced Seebeck coefficient without significantly undermining the electrical conductivity. …”
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    Article
  3. 83

    Hf-Doping Effect on the Thermoelectric Transport Properties of <i>n</i>-Type Cu<sub>0.01</sub>Bi<sub>2</sub>Te<sub>2.7</sub>Se<sub>0.3</sub> by Jeong Yun Hwang, Sura Choi, Sang-il Kim, Jae-Hong Lim, Soon-Mok Choi, Heesun Yang, Hyun-Sik Kim, Kyu Hyoung Lee

    Published 2020-07-01
    “…Polycrystalline bulks of Hf-doped Cu<sub>0.01</sub>Bi<sub>2</sub>Te<sub>2.7</sub>Se<sub>0.3</sub> are prepared via a conventional melt-solidification process and subsequent spark plasma sintering technology, and their thermoelectric performances are evaluated. …”
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    Article
  4. 84

    Multimode absorption spectroscopy of CO and CO2 gas mixtures by Thompson, A, Alexander William John Thompson

    Published 2013
    “…</p> <p>A laser was designed and constructed to emit a multimode spectrum in the region of 1.57um to take advantage of the spectral overlap of the second vibrational overtone of CO and the combination band 3ν1 + ν3 of CO2. The laser consisted of a semi-confocal cavity employing an Er:Yb glass chip as the gain medium. …”
    Thesis
  5. 85

    New Chalcogenide Glass-Ceramics Based on Ge-Zn-Se for IR Applications by Alin Velea, Florinel Sava, Petre Badica, Mihail Burdusel, Claudia Mihai, Aurelian-Catalin Galca, Elena Matei, Angel-Theodor Buruiana, Outman El Khouja, Laurent Calvez

    Published 2022-07-01
    “…The color of the first two sintered samples is black (the band gap values are 0.42 and 0.79 eV), while d_GZSe-3 is red (E<sub>g</sub> is 1.37 eV) and is transparent in IR domain. …”
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    Article
  6. 86

    Raman Spectroscopy Imaging of Exceptional Electronic Properties in Epitaxial Graphene Grown on SiC by A. Ben Gouider Trabelsi, F. V. Kusmartsev, A. Kusmartseva, F. H. Alkallas, S. AlFaify, Mohd Shkir

    Published 2020-11-01
    “…We have identified the Raman bands signature of graphene for different layers number. …”
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    Article
  7. 87

    Study on the Targeted Improvement Mechanism of the Carrier Concentration and Mobility of BiCuSeO Ceramics by Zhibin Wang, Hong Zhao, Xinyu Luo, Wenyuan Han, Hao Wang, Linghao Meng, Xinqi She, Anlong Quan, Yixin Peng, Guoji Cai, Yi Liu, Yong Tang, Bo Feng

    Published 2023-09-01
    “…Al was adopted to dope into the BiCuSeO matrix, aiming to adjust the carrier mobility through energy band adjustment. The results show that Al doping would widen the bandgap and enhance the carrier mobility of BiCuSeO. …”
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    Article
  8. 88

    Study on Enhancing the Thermoelectric Stability of the β-Cu<sub>2</sub>Se Phase by Mn Doping by Jian Tie, Guiying Xu, Yawei Li, Xian Fan, Quanxin Yang, Bohang Nan

    Published 2023-07-01
    “…In this study, we prepared Cu<sub>2−x</sub>Mn<sub>x</sub>Se (x = 0, 0.02, 0.04 and 0.06) series bulk materials by vacuum melting–annealing and sintered by spark plasma sintering (SPS). We investigated the effects of Mn doping on the composition, microstructure, band structure, scattering mechanism, thermoelectric properties, and stability of Cu<sub>2</sub>Se. …”
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    Article
  9. 89

    Real-Time Vehicle Roll Angle Estimation Based on Neural Networks in IoT Low-Cost Devices by Javier García Guzmán, Lisardo Prieto González, Jonatan Pajares Redondo, Mat Max Montalvo Martínez, María Jesús L. Boada

    Published 2018-07-01
    “…To fulfil these objectives, an experimental environment was set up, composed of a van with two set of low-cost kits, one including a Raspberry Pi 3 Model Band the other having an Intel Edison System on Chip linked to a SparkFun 9 Degrees of Freedom module. …”
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    Article
  10. 90

    A novel multicore Er/Yb co-doped microstructured optical fiber amplifier with peanut-shaped air holes cladding by Zhang Yifan, Zhao Yifei, Fang Ziwei, Liu Jiantao, Xia Changming, Hou Zhiyun, Zhao Xuesong, Tan Zhongwei, Dong Yi, Zhou Guiyao, Yuan Jinhui

    Published 2024-02-01
    “…To the best of our knowledge, this is the first time to realize high performance telecommunication band amplification in a multicore microstructure fiber.…”
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    Article
  11. 91

    Stress redistribution in individual ultrathin strained silicon nanowires: a high-resolution polarized Raman study by Alvarado Tarun, Norihiko Hayazawa, Maria Vanessa Balois, Satoshi Kawata, Manfred Reiche, Oussama Moutanabbir

    Published 2013-01-01
    “…Strain nano-engineering provides valuable opportunities to create high-performance nanodevices by a precise tailoring of semiconductor band structure. Achieving these enhanced capabilities has sparked a surge of interest in controlling strain on the nanoscale. …”
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    Article
  12. 92

    Enhanced thermoelectric properties of n-type Bi<sub>2</sub>O<sub>2</sub>Se by KCl doping by Zi-long Zhang, Tao Wang, Mohammad Nisar, Yue-xing Chen, Fu Li, Shuo Chen, Guang-xing Liang, Ping Fan, Zhuang-hao Zheng

    Published 2023-09-01
    “…Herein, we introduce KCl into Bi<sub>2</sub>O<sub>2</sub>Se, synthesized by solid-state reaction and spark plasma sintering method, to improve its TE properties. …”
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    Article
  13. 93

    Ultralow thermal conductivity and high-temperature thermoelectric performance in n-type K₂.₅Bi₈.₅Se₁₄ by Luo, Zhong-Zhen, Cai, Songting, Hao, Shiqiang, Bailey, Trevor P., Hu, Xiaobing, Hanus, Riley, Ma, Runchu, Tan, Gangjian, Chica. Daniel G., Snyder, G. Jeffrey, Uher, Ctirad, Wolverton, Christopher, Dravid, Vinayak P., Yan, Qingyu, Kanatzidis, Mercouri G.

    Published 2022
    “…The undoped material exhibits n-type character and a figure of merit (ZT) value of 0.67 at 873 K. Electronic band structure calculations indicate that K2.5Bi8.5Se14 is an indirect bandgap semiconductor with multiple conduction bands close to the Fermi level. …”
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    Journal Article
  14. 94

    Fermi-Liquid Nonadiabatic Highly Compressed Cesium Iodide Superconductor by Evgueni F. Talantsev

    Published 2022-11-01
    “…We also showed that CsI falls into the unconventional superconductors band in the Uemura plot.…”
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    Article
  15. 95

    Cycle-to-cycle variation analysis of two-colour PLIF temperature measurements calibrated with laser induced grating spectroscopy in a firing GDI engine by Willman, C, Stone, R, Davy, M, Williams, B, Ewart, P, Shen, L, Hung, D, Liu, M, Camm, J

    Published 2019
    “…This work uses a combination of Two-Colour Planar Laser Induced Fluorescence (TC-PLIF) and Laser Induced Grating Spectroscopy (LIGS) to measure the in-cylinder temperature distributions of a firing optically accessible spark ignition engine. TC-PLIF performs 2-D temperature measurements using fluorescence emission in two different wavelength bands but requires calibration under conditions of known temperature, pressure and composition. …”
    Conference item
  16. 96

    A Global Picture of Molecular Changes Associated to LPS Treatment in THP-1 Derived Human Macrophages by Fourier Transform Infrared Microspectroscopy by Diletta Ami, Ana Rita Franco, Valentina Artusa, Paolo Mereghetti, Francesco Peri, Antonino Natalello

    Published 2022-11-01
    “…Intact TDM cells were analysed by Fourier transform infrared (FTIR) microspectroscopy, supported by multivariate analysis, to obtain a snapshot of the molecular events sparked by LPS stimulation in macrophage-like cells. …”
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    Article
  17. 97

    Characterisation of plastic zones around crack-tips in pure single-crystal tungsten using electron backscatter diffraction by Murphy, J, Wilkinson, A, Roberts, S

    Published 2009
    “…Pre-cracks were made in ∼1mm square cross section beams of pure single-crystal tungsten using a spark erosion method. The beams were loaded at different temperatures to a range of stress intensity factors below the fracture toughness. …”
    Conference item
  18. 98

    Thin Luminous Tracks of Particles Released from Electrodes with A Small Radius of Curvature in Pulsed Nanosecond Discharges in Air and Argon by Victor F. Tarasenko, Dmitry V. Beloplotov, Alexei N. Panchenko, Dmitry A. Sorokin

    Published 2023-06-01
    “…The color of the tracks differs from that of the spark leaders, while the bands of the second positive nitrogen system dominate in the plasma emission spectra during the existence of a diffuse discharge. …”
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    Article
  19. 99

    Intelligent Reflecting Surface in 6G Vehicular Communications: A Survey by Yishi Zhu, Bomin Mao, Nei Kato

    Published 2022-01-01
    “…On the other hand, the signals in high frequency bands including Millimeter Wave (mmWave) and Terahertz (THz) can be easily blocked by the obstacles. …”
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    Article
  20. 100

    Deformation mechanism and enhanced properties of Cu–TiB2 composites evaluated by the in-situ tensile test and microstructure characterization by Bahador, Abdollah, Junko, Umeda, Yamanoglu, Ridvan, Ghandvar, Hamidreza, Issariyapat, Ammarueda, Abu Bakar, Tuty Asma, Katsuyoshi, Kondoh

    Published 2020
    “…In addition, using in-situ microstructure characterization, twinning with slip bands were confirmed as deformation mechanisms. By increasing the amount of reinforcement to 5 wt%TiB2, strengthening was remarkable while sustaining a considerable elongation. …”
    Article