DC pole | Wartość | Język |
dc.contributor.author | Galuskin, Evgeny | - |
dc.contributor.author | Galuskina, Irina | - |
dc.contributor.author | Vapnik, Yevgeny | - |
dc.contributor.author | Murashko, Mikhail | - |
dc.date.accessioned | 2020-07-23T06:49:00Z | - |
dc.date.available | 2020-07-23T06:49:00Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Minerals, Vol. 10 (2020), Art. No. 560 | pl_PL |
dc.identifier.issn | 2075-163X | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12128/15308 | - |
dc.description.abstract | In the last 15 years, zeolite-like mayenite, Ca12Al14O33, has attracted significant attention
in material science for its variety of potential applications and for its simple composition.
Hydrogen plays a key role in processes of electride material synthesis from pristine mayenite:
{Ca12Al14O32}2+(O2)!{Ca12Al14O32}2+(e)2. Apresence of molecular hydrogen in synthetic mayenite
was not confirmed by the direct methods. Spectroscopy investigations of mayenite group mineral
fluorkyuygenite, with empirical formula (Ca12.09Na0.03)P
12.12(Al13.67Si0.12Fe3+
0.07Ti4+
0.01)P
12.87O31.96
[F2.02Cl0.02(H2O)3.22(H2S)0.15 0.59]P
6.00, show the presence of an unusual band at 4038 cm1, registered
for the first time and related to molecular hydrogen, apart from usual bands responding to vibrations
of mayenite framework. The band at 4038 cm1 corresponding to stretching vibrations of H2 is at
lower frequencies in comparison with positions of analogous bands of gaseous H2 (4156 cm1) and H2
adsorbed at active cation sites of zeolites (4050–4100 cm1). This points out relatively strong linking of
molecular hydrogen with the fluorkyuygenite framework. An appearance ofH2 in the fluorkyuyginite
with ideal formula Ca12Al14O32[(H2O)4F2], which formed after fluormayenite, Ca12Al14O32[ 4F2],
is connected with its genesis. Fluorkyuygenite was detected in gehlenite fragments within brecciaed
pyrometamorphic rock (Hatrurim Basin, Negev Desert, Israel), which contains reduced mineral
assemblage of the Fe-P-C system (native iron, schreibersite, barringerite, murashkoite, and cohenite).
The origin of phosphide-bearing associations is connected with the e ect of highly reduced gases on
earlier formed pyrometamorphic rocks. | pl_PL |
dc.language.iso | en | pl_PL |
dc.rights | Uznanie autorstwa 3.0 Polska | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/pl/ | * |
dc.subject | mayenite | pl_PL |
dc.subject | fluorkyuygenite | pl_PL |
dc.subject | Raman spectroscopy | pl_PL |
dc.subject | molecular hydrogen | pl_PL |
dc.subject | H2 | pl_PL |
dc.subject | pyrometamorphic rocks | pl_PL |
dc.subject | barringerite | pl_PL |
dc.subject | shreibersite | pl_PL |
dc.subject | Hatrurim Complex | pl_PL |
dc.subject | Negev Desert | pl_PL |
dc.subject | Israel | pl_PL |
dc.title | Molecular Hydrogen in Natural Mayenite | pl_PL |
dc.type | info:eu-repo/semantics/article | pl_PL |
dc.identifier.doi | 10.3390/min10060560 | - |
Pojawia się w kolekcji: | Artykuły (WNP)
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