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Single-crystalline ...
Single-crystalline cooperite (PtS) : crystal-chemical characterization, ESR spectroscopy, and Pt-195 NMR spectroscopy
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- Rozhdestvina, V. I (författare)
- Russian Adademy of Sciences
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- Ivanov, Alexander (författare)
- Luleå tekniska universitet,Industriell miljö- och processteknik
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- Zaremba, M. A. (författare)
- Russian Adademy of Sciences
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- Antzutkin, Oleg (författare)
- Luleå tekniska universitet,Industriell miljö- och processteknik
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Forsling, Willis (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: Crystallography reports (Print). - 1063-7745 .- 1562-689X. ; 53:3, s. 391-397
- Relaterad länk:
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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
- Single-crystalline cooperite (PtS) with a nearly stoichiometric composition was characterized in detail by X-ray diffraction, electron-probe X-ray microanalysis, and high-resolution scanning electron microscopy. For the first time it was demonstrated that Pt-195 static and MAS NMR spectroscopy can be used for studying natural platinum minerals. The 195pt chemical-shift tensor of cooperite was found to be consistent with the axial symmetry and is characterized by the following principal values: delta(xx) = -5920 ppm, delta(yy) = -3734 ppm, delta(zz) = +4023 ppm, and delta(iso) = -1850 ppm. According to the ESR data, the samples of cooperite contain copper(II), which is adsorbed on the surface during the layer-by-layer crystal growth and is not involved in the crystal lattice.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Nyckelord
- Chemistry of Interfaces
- Gränsytors kemi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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