Showing 221 - 240 results of 827 for search '"tantalum"', query time: 0.09s Refine Results
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    Conflict Minerals in the Compute Sector: Estimating Extent of Tin, Tantalum, Tungsten, and Gold Use in ICT Products by Fitzpatrick, Colin, Miller, T. Reed, Roth, Richard, Kirchain, Randolph, Olivetti, Elsa A.

    Published 2016
    “…Recent legislation has focused attention on the supply chains of tin, tungsten, tantalum, and gold (3TG), specifically those originating from the eastern part of the Democratic Republic of Congo. …”
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    Large-area fabrication of high aspect ratio tantalum photonic crystals for high-temperature selective emitters by Rinnerbauer, Veronika, Ndao, Sidy, Yeng, Yi Xiang, Senkevich, Jay J., Jensen, Klavs F., Joannopoulos, John D., Soljacic, Marin, Celanovic, Ivan, Geil, Robert D.

    Published 2013
    “…The authors present highly selective emitters based on two-dimensional tantalum (Ta) photonic crystals, fabricated on 2 in. polycrystalline Ta substrates, for high-temperature applications, e.g., thermophotovoltaic energy conversion. …”
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    Atomic configuration of hydrogenated and clean tantalum(111) surfaces : bond relaxation, energy entrapment and electron polarization by Bo, Maolin, Li, Lei, Guo, Yongling, Yao, Chuang, Peng, Cheng, Sun, Changqing

    Published 2020
    “…By studying the tantalum (Ta)(111) surface with X-ray photoemission spectroscopy and density functional theory, we determined binding energy values for the clean Ta(111) (+3.068 eV) and hydrogenated Ta(111) (+3.421 eV) surfaces with an isolated atom level of 18.977 eV. …”
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    Journal Article
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    Measuring the brittle-to-ductile transition temperature of tungsten–tantalum alloy using chevron-notched micro-cantilevers by Li, B-S, Marrow, TJ, Armstrong, DEJ

    Published 2020
    “…The results suggested that the BDTT is independent of the specimen size, and the higher micro-BDTT is due to the tantalum in this alloy.…”
    Journal article
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    Oxygen Vacancies in Bismuth Tantalum Oxide to Anchor Polysulfide and Accelerate the Sulfur Evolution Reaction in Lithium–Sulfur Batteries by Chong Wang, Jian-Hao Lu, An-Bang Wang, Hao Zhang, Wei-Kun Wang, Zhao-Qing Jin, Li-Zhen Fan

    Published 2022-10-01
    “…Herein, we try to make use of bismuth tantalum oxide with oxygen vacancies as an electrocatalyst to catalyze the conversion of LiPSs by reducing the sulfur reduction reaction (SRR) nucleation energy barrier. …”
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    Metallic 2H-Tantalum Selenide Nanomaterials as Saturable Absorber for Dual-Wavelength Q-Switched Fiber Laser by Lingling Yang, Ruwei Zhao, Duanduan Wu, Tianxiang Xu, Xiaobiao Liu, Qiuhua Nie, Shixun Dai

    Published 2021-01-01
    “…A novel 2H-phase transition metal dichalcogenide (TMD)–tantalum selenide (TaSe<sub>2</sub>) with metallic bandgap structure is a potential photoelectric material. …”
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    The Influence of the Tantalum Content on the Main Properties of the TixTa9Nb8Zr2Ag Alloy by Gabriel Dobri, Alexandra Banu, Cristina Donath, Maria Marcu

    Published 2023-07-01
    “…This study presents the influence of different contents of tantalum alloying elements on the mechanical and electrochemical properties of TixTa9Nb8Zr2Ag alloys and their corrosion resistance in a 3% NaCl solution. …”
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    The effect of tantalum addition on the corrosion behavior of W-xTa alloys in 1 M NaOH solution by Susil Baral, Jagadeesh Bhattarai

    Published 2013-10-01
    “…Tungsten and tantalum metals act synergistically in enhancing the corrosion resistant properties of the W-xTa alloys and hence addition of 23 at% or more tantalum to the alloys were found to be effective to lower the corrosion rate of the alloys than those of alloy-constituting tungsten and tantalum elements. …”
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    Use of a trabecular metal cone made of tantalum, to treat bone defects during revision knee arthroplasty, by Alan de Paula Mozella, Ricardo Reiniger Olivero, Hugo Alexandre de Araújo Barros Cobra

    Published 2014-06-01
    “…OBJECTIVES: the aim of this study was to evaluate the surgical technique and determine the initial results, with a minimum follow-up of two years, from total knee arthroplasty revisions in which trabecular metal cones made of tantalum were used at the Knee Surgery Center of the National Institute of Traumatology and Orthopedics (INTO) or at the authors' private clinic between July 2008 and December 2010.METHODS: ten patients were included in the study prospectively, through clinical and radiographic evaluations.RESULTS: seven patients presented evolution without complications relating to the tantalum cones used. …”
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