Zobrazeno 1 - 10
of 13 965
pro vyhledávání: '"CRYSTAL-CHEMISTRY"'
Autor:
Susannah M. Dorfman, Han Hsu, Farhang Nabiei, Marco Cantoni, James Badro, Vitali B. Prakapenka
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 6, Pp n/a-n/a (2024)
Abstract (Mg,Fe)O ferropericlase‐magnesiowüstite has been proposed to host the majority of Earth's sodium, but the mechanism and capacity for incorporating the alkali cation remain unclear. In this work, experiments in the laser‐heated diamond a
Externí odkaz:
https://doaj.org/article/f642c23c5089429d97341c4f82190cf6
Autor:
Nikita V. Chukanov, Sergey M. Aksenov
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 18, p 10218 (2024)
This review contains data on a wide class of microporous materials with frameworks belonging to the sodalite topological type. Various methods for the synthesis of these materials, their structural and crystal chemical features, as well as physical a
Externí odkaz:
https://doaj.org/article/7bd0a3f35fbe435393a2ef23533d6a46
Autor:
Günther J. Redhammer, Gerold Tippelt
Publikováno v:
Minerals, Vol 14, Iss 9, p 864 (2024)
Germanate-pyroxenes often are used as model systems to study the stability and phase relationships of analog silicate systems. Based on such analyses, it is assumed that silicates and germanates behave ideally in terms of mixing. A systematic study w
Externí odkaz:
https://doaj.org/article/c6c9b6c7a604438999a0414a12bfe259
Akademický článek
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Autor:
Shaunna M. Morrison, David F. Blake, Thomas F. Bristow, Nicholas Castle, Steve J. Chipera, Patricia I. Craig, Robert T. Downs, Ahmed Eleish, Robert M. Hazen, Johannes M. Meusburger, Douglas W. Ming, Richard V. Morris, Aditi Pandey, Anirudh Prabhu, Elizabeth B. Rampe, Philippe C. Sarrazin, Sarah L. Simpson, Michael T. Thorpe, Allan H. Treiman, Valerie Tu, Benjamin M. Tutolo, David T. Vaniman, Ashwin R. Vasavada, Albert S. Yen
Publikováno v:
Minerals, Vol 14, Iss 8, p 773 (2024)
This study presents mineral composition estimates of rock and sediment samples analyzed with the CheMin X-ray diffraction instrument on board the NASA Mars Science Laboratory rover, Curiosity, in Gale crater, Mars. Mineral composition is estimated us
Externí odkaz:
https://doaj.org/article/7c135b9bf5f244db9b0d8f186caf5c4c
Autor:
Vladislav V. Gurzhiy
Publikováno v:
Crystals, Vol 14, Iss 6, p 527 (2024)
The United Nations and UNESCO designated 2014 as the International Year of Crystallography, in which the scientific community celebrated the centenary of the discovery of X-ray diffraction [...]
Externí odkaz:
https://doaj.org/article/3c75442d08434194b55ced53398d8d9b
Akademický článek
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Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 6, Pp 1329-1339 (2022)
Spodumene is a silicate mineral rich in lithium. However, the gangue mineral, albite has similar crystal chemical structure and composition to spodumene. In this work, the density functional theory (DFT) calculation was taken to research the floatabi
Externí odkaz:
https://doaj.org/article/d4025c9dee294202b3a1587fefa9b916
Autor:
Evgeny V. Nazarchuk, Vladislav V. Gurzhiy, Yana G. Tagirova, Dmitri O. Charkin, Maria G. Krzhizhanovskaya, Anatoly V. Kasatkin, Oleg V. Eremin
Publikováno v:
Crystals, Vol 13, Iss 12, p 1688 (2023)
Thermal expansion of metatorbernite, Cu(UO2)2(PO4)2(H2O)8 (1), and metazeunerite, Cu(UO2)2(AsO4)2(H2O)8 (2), has been investigated using single-crystal and powder X-ray diffraction. Both minerals are prone to dehydration, which proceeds already at am
Externí odkaz:
https://doaj.org/article/6ffe14f368d74e37a0d8a18d87ebed9b
Autor:
Sofia A. Basova, Maxim S. Molokeev, Aleksandr S. Oreshonkov, Maksim A. Zhernakov, Nikolay A. Khritokhin, Aleksandr S. Aleksandrovsky, Alexander S. Krylov, Elena I. Sal’nikova, Nikita O. Azarapin, Natalia A. Shelpakova, Klaus Müller-Buschbaum, Yuriy G. Denisenko
Publikováno v:
Inorganics, Vol 11, Iss 11, p 434 (2023)
A new polymorphic modification of lanthanum sulfate was obtained by thermal dehydration of the respective nonahydrate. According to powder X-ray diffraction, it was established that β-La2(SO4)3 crystallized in the C2/c space group of the monoclinic
Externí odkaz:
https://doaj.org/article/3a73d71dc36c42e3b20968bcacc8498a