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Performance of channel electron multiplier with single helix channel
Published 2023-10-01“…Then, a CEM analog mode test device with a disc-incense type tantalum filament as the input current and a CEM pulse-counting mode test device with an ultraviolet light-emitting diode combined with a gold cathode as the input signal were set up to conduct comprehensive testing of the device's performance parameters.ResultsThe newly developed CEM with single helix channel achieves gains of 1×104~1×106 in the analog mode and 1×107~1×108 in the pulse-counting mode. …”
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702
Critical Minerals from Post-Processing Tailing. A Case Study from Bangka Island, Indonesia
Published 2021-03-01“…Geological and mineralogical examinations on Bangka have permitted an economic appraisal of tailings from the processing of cassiterite-bearing sands and confirmed the presence of REE-bearing minerals, chiefly monazite and xenotime, zircon, ilmenite, rutile, niobium-tantalum phases. In general, the mineral content of the tailings varies depending on the sampling site and the type of processing used during ore-production. …”
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703
Design of Ti64/Ta Hybrid Materials by Powder Metallurgy Mimicking Bone Structure
Published 2023-06-01“…This work reports on the fabrication of a novel two-layer material composed of a porous tantalum core and a dense Ti6Al4V (Ti64) shell by powder metallurgy. …”
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704
Dielectric multilayers impact on radiation-induced charge accumulation in highly sensitive oxide field effect transistors
Published 2024-03-01“…We identified an optimized bi-layer dielectric structure made of tantalum oxide and aluminum oxide, which demonstrated a sensitivity of (63 ± 2) V/Gy, an order of magnitude larger than previously reported values. …”
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705
Low-field magnetic resonance imaging offers potential for measuring tibial component migration
Published 2018-01-01“…RSA has several disadvantages, such as the need for perioperatively inserted tantalum markers. Therefore, this study evaluates low-field MRI as an alternative to RSA. …”
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706
Material characterization of GPX®: A versatile in situ solidifying embolic platform technology
Published 2023-01-01“…Formulation of GPX with either tantalum microparticles (30 wt%) or iodinated radiocontrast agents (300 mgI ml−1) did not significantly change the flow behavior of GPX; the viscosity was independent of shear rate and remained within a clinically practical range (80–160 cP). …”
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707
PDLCs and EPCs Co-Cultured on Ta Discs: A Golden Fleece for “Compromised” Osseointegration
Published 2021-04-01“…In the present study, the interaction of PDLCs and EPCs with Tantalum (Ta, I) discs, either alone (IP or IE group) or in 1:1 (IPE) ratio was explored. …”
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708
Memory Characteristics of Thin Film Transistor with Catalytic Metal Layer Induced Crystallized Indium-Gallium-Zinc-Oxide (IGZO) Channel
Published 2021-12-01“…The CAAC-IGZO thin films were achieved using a tantalum catalyst layer with annealing. A thin film transistor (TFT) with SiO<sub>2</sub>/Si<sub>3</sub>N<sub>4</sub>/Al<sub>2</sub>O<sub>3</sub> and CAAC-IGZO thin films, where Al<sub>2</sub>O<sub>3</sub> was used for the tunneling layer, was evaluated for a flash memory application and compared with a device using an amorphous IGZO (<i>a</i>-IGZO) channel. …”
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709
Development of a Double Vacuum Furnace Tube and Its Application in Gas Composition Determination during Rock Heating Degassing
Published 2019-09-01“…The double vacuum furnace tubes consisting of molybdenum and tantalum crucibles are generally used for the analysis of rare gas isotope composition, but seldom used for the analysis of gas chemical composition. …”
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710
Structure, Mechanical and Luminescent Properties of Solid Solution (Y<sub>0.96</sub>Eu<sub>0.01</sub>Sm<sub>0.01</sub>Tb<sub>0.01</sub>Er<sub>0.01</sub>)Nb<sub>0.7</sub>Ta<sub>0.3<...
Published 2023-01-01“…Ceramic samples of polycomponent solid solution (Y<sub>0.96</sub>Eu<sub>0.01</sub>Sm<sub>0.01</sub>Tb<sub>0.01</sub>Er<sub>0.01</sub>)Nb<sub>0.7</sub>Ta<sub>0.3</sub>O<sub>4</sub> have been prepared by sol–gel synthesis from fine powders obtained using nitrate solutions of rare earth elements REE and coprecipitated hydroxides of niobium and tantalum. The structural state of the initial powders’ crystal lattice has been investigated. …”
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711
Investigation of the microstructure and physical properties of TaSi2 sintered at high temperature and high pressure
Published 2024-03-01“…Tantalum disilicide (TaSi2) has been widely studied for its excellent physical properties such as high hardness, high temperature oxidation resistance and low resistivity. …”
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712
Terbium-149 production: a focus on yield and quality improvement towards preclinical application
Published 2024-02-01“…In this study, terbium-149 was produced via 1.4 GeV proton irradiation of a tantalum target at the CERN-ISOLDE facility. The spallation products were mass separated and implanted on zinc-coated foils and, later, radiochemically processed. …”
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713
Electrical and microstructural properties of Ta-C thin films for metal gate
Published 2020-01-01“…Carbon rich Nano-crystalline grain size tantalum carbide (Ta-C) thin films were prepared by non- reactive simultaneously dual magnetron sputtering. …”
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714
Migration Characteristics of a Proximally Coated Collarless Femoral Stem: A Prospective 2-Year Radiostereometric Analysis Study
Published 2023-08-01“…All patients received a Masterloc femoral stem (Medacta International SA, Castel San Pietro, Switzerland) and an Mpact acetabular component (Medacta International SA, Castel San Pietro, Switzerland) with tantalum beads embedded during the operation. Radiographs for radiostereometric analysis were taken immediately postsurgery, 6-months, 1-year, and 2-years postoperatively. …”
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715
High performance materials for artificial muscles and energy storage devices
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719
Effect of TaN intermediate layer on the back contact reaction of sputter-deposited Cu poor Cu2ZnSnS4 and Mo
Published 2020“…Ultrathin tantalum nitride (TaN) intermediate layers (IL) with thickness from 3 nm to 12 nm have been used to limit the undesirable interfacial reaction between molybdenum (Mo) and copper-zinc-tin-sulphide (CZTS). …”
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720
Microstructural characterization and amorphous phase formation in Co40Fe22Ta8B30 powders produced by mechanical alloying
Published 2013“…The results showed that at the early stage of the milling, microstructure consisted of nanocrystalline bcc-(Fe, Co) phases and unreacted tantalum. Further milling, produced an amorphous phase, which became a dominant phase with a fraction of 96 wt% after 200 h milling. …”
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Journal Article