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A Tungsten-Based Na...
A Tungsten-Based Nanolaminated Ternary Carbide: (W,Ti)(4)C4-x
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- Anasori, Babak (författare)
- Drexel Univ, PA 19104 USA; Drexel Univ, PA 19104 USA
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- Lu, Jun (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Rivin, Oleg (författare)
- Nucl Res Ctr Negev, Israel
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- Dahlqvist, Martin (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Halim, Joseph (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Voigt, Cooper (författare)
- Drexel Univ, PA 19104 USA
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- Rosén, Johanna (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Hultman, Lars (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Barsoum, Michel W. (författare)
- Drexel Univ, PA 19104 USA
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- Caspi, Elad N. (författare)
- Drexel Univ, PA 19104 USA; Nucl Res Ctr Negev, Israel
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(creator_code:org_t)
- 2019-01-04
- 2019
- Engelska.
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Ingår i: Inorganic Chemistry. - : AMER CHEMICAL SOC. - 0020-1669 .- 1520-510X. ; 58:2, s. 1100-1106
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Nanolamellar transition metal carbides are gaining increasing interests because of the recent developments of their twodimensional (2D) derivatives and promising performance for a variety of applications from energy storage, catalysis to transparent conductive coatings, and medicine. To develop more novel 2D materials, new nanolaminated structures are needed. Here we report on a tungsten based nanolaminated ternary phase, (W,Ti)(4)C4-x, synthesized by an Al catalyzed reaction of W, Ti, and C powders at 1600 degrees C for 4 h, under flowing argon. X-ray and neutron diffraction, along with Z-contrast scanning transmission electron microscopy, were used to determine the atomic structure, ordering, and occupancies. This phase has a layered hexagonal structure (P6(3)/mmc) with lattice parameters, a = 3.00880(7) angstrom, and c = 19.5633(6) angstrom and a nominal chemistry of (W,Ti)(4)C4-x (actual chemistry, W2.1(1)Ti1.6(1)C2.6(1)). The structure is comprised of layers of pure W that are also twin planes with two adjacent atomic layers of mixed W and Ti, on either side. The use of Al as a catalyst for synthesizing otherwise difficult to make phases, could in turn lead to the discovery of a large family of nonstoichiometric ternary transition metal carbides, synthesized at relatively low temperatures and shorter times.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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Anasori, Babak
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Lu, Jun
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Rivin, Oleg
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Dahlqvist, Marti ...
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Halim, Joseph
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Voigt, Cooper
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visa fler...
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Rosén, Johanna
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Hultman, Lars
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Barsoum, Michel ...
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Caspi, Elad N.
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Oorganisk kemi
- Artiklar i publikationen
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Inorganic Chemis ...
- Av lärosätet
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Linköpings universitet