Zobrazeno 1 - 6
of 6
pro vyhledávání: '"L. V. Sipavina"'
Publikováno v:
Crystallography Reports. 65:704-710
A potentially new calcium-rich eudialyte-group mineral from the Khibiny massif has been investigated by X-ray diffraction (XRD) analysis. The trigonal unit-cell parameters are found to be as follows: a = 14.221(1) A, c = 30.04(1) A, and V = 5261.3 A3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d744dce557cf6416f089db46cd183e9
https://doi.org/10.1134/s1063774520050181
https://doi.org/10.1134/s1063774520050181
Autor:
T V, Setkova, A V, Spivak, E Yu, Borovikova, M V, Voronin, E S, Zakharchenko, V S, Balitsky, A V, Kuzmin, L V, Sipavina, A V, Iskrina, S S, Khasanov
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 267(Pt 2)
We present complex spectroscopic data of the synthetic brunogeierite (Fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::013d833f3b5951b06b413f925d74b558
https://pubmed.ncbi.nlm.nih.gov/34802932
https://pubmed.ncbi.nlm.nih.gov/34802932
Autor:
Dmitriy A. Chareev, V. M. Gurevich, E. G. Osadchii, L. V. Sipavina, K. S. Gavrichev, A. V. Tyurin, Veniamin B. Polyakov, V. O. Osadchii, M. V. Voronin
Publikováno v:
Геохимия. 64:372-386
Pyrite Moessbauer spectra (FeS 2 ) is measured in the temperature range from 90 to 295 K. The temperature dependence of the isomer shift is described by the Debye model with Moessbauer temperature θ M =551.4 K. Using these results, we calculated the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74cf46eb062400f6eb90fddd9f35aa4d
https://doi.org/10.31857/s0016-7525644372-386
https://doi.org/10.31857/s0016-7525644372-386
Autor:
V. O. Osadchii, A. V. Tyurin, K. S. Gavrichev, Veniamin B. Polyakov, V. M. Gurevich, Dmitriy A. Chareev, M. V. Voronin, E. G. Osadchii, L. V. Sipavina
Publikováno v:
Geochemistry International. 57:369-383
Mossbauer spectra of pyrite (FeS2) are measured within a temperature range of 90–295 K. The isomer shift is described by the Debye model with a Mossbauer temperature θM = 551.4 K. These results are used to calculate the kinetic energy of thermal v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66491d711da647be7b05c6d433052c31
https://doi.org/10.1134/s0016702919040098
https://doi.org/10.1134/s0016702919040098
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 71:1305-1309
To reveal the physical nature of the structural transformations caused by changes in temperature, pressure, or composition, the topological stability of five pyroxene structures of Si-Ge solid solutions was investigated by powder X-ray diffraction. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::367e7ba27ef0d50b78384776cc5b6a79
https://doi.org/10.3103/s1062873807090250
https://doi.org/10.3103/s1062873807090250
Publikováno v:
Physics and Chemistry of Minerals. 1:1-14
Iron-rich pyrrhotites proved to be metastable and to decompose at 70–140° C to troilite and pyrrhotite with less iron content as shown by nuclear gamma-resonance (Mossbauer) studies at high temperatures. Coherence of decomposition product lattices
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd2c1e7557c4bbad0cc4029162773aa0
https://doi.org/10.1007/bf00307975
https://doi.org/10.1007/bf00307975