Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Yu. D. Perfiliev"'
Publikováno v:
Hyperfine Interactions. 242
Phosphosiderite from Atacama (Chile) was studied by X-ray powder diffraction, Mossbauer spectroscopy and chemical analysis. The arsenic content reaches 9 As2O5 wt%. The averaged formula obtained is [Fe0.96Al0.04)[(PO4)0.94(AsO4)0.06]·2.04H2O. Isomor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f673e99f57ce7a487d326c9e860dfa0
https://doi.org/10.1007/s10751-021-01745-3
https://doi.org/10.1007/s10751-021-01745-3
Autor:
A. V. Bokov, Sergey V. Stepanov, Vsevolod M. Byakov, Yu. D. Perfiliev, M. A. Konnychev, S. A. Voropaev
Publikováno v:
Physics of Atomic Nuclei. 82:1552-1557
Bulk of the main part of the Chelyabinsk meteorite (ordinary chondrite, LL5) for the presence of nanometer pores therein is investigated by means of the positron annihilation lifetime spectroscopy (PALS). In addition, its phase composition is studied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db6f0e2228897675b8e1637d99c76188
https://doi.org/10.1134/s1063778819120020
https://doi.org/10.1134/s1063778819120020
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:17820-17827
Pb3Mn7O15 manganite with mixed valence (Mn3+/Mn4+) was studied by Mossbauer effect on 57Fe impurity atoms in the temperature range of 80–673 K. The experimental spectra consisted of two main quadrupole doublets corresponding to trivalent Fe atoms r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a07e6c415b36b8c0387c38725c1f8cd7
https://doi.org/10.1007/s10854-019-02133-y
https://doi.org/10.1007/s10854-019-02133-y
Autor:
Yu. D. Perfiliev, S. K. Dedushenko
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 81:793-797
A hypothesis based on the literature data on the Mossbauer, structural, and magnetic parameters of different iron oxidation states is proposed, according to which changes in the electronic configuration of an iron ion that are caused by an electron (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93cdeffcb94189a901214000aa774b8d
https://doi.org/10.3103/s1062873817070061
https://doi.org/10.3103/s1062873817070061
Publikováno v:
Moscow University Biological Sciences Bulletin. 71:226-230
Characteristics of four natural water samples from urban and rural areas and the efficiency of a new purifying agent, potassium ferrate K2FeO4, were studied by bacterial luminescence bioassay for 30 minutes. It was revealed that two samples of water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fed36a8477589d0f3b248685343d624
https://doi.org/10.3103/s0096392516040131
https://doi.org/10.3103/s0096392516040131
Autor:
Vsevolod M. Byakov, Leonid A. Kulikov, D. S. Zvezhinskii, L. V. Dubov, Yu. D. Perfiliev, Sergey V. Stepanov
Publikováno v:
High Energy Chemistry. 50:109-114
Process of formation of the Auger blob (nanosized cloud of two or three hundred of ion–electron pairs) around a 57Co radioactive atom after E-capture followed by the emission of a cascade of Auger electrons by the daughter atom 57Fe has been consid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8b54930296e3920928ad5a6aca15788
https://doi.org/10.1134/s0018143916010082
https://doi.org/10.1134/s0018143916010082
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 79:1051-1054
A rapid method for producing Na and K ferrates via self-propagating high-temperature synthesis is proposed. To obtain ferrates, samples are prepared under different conditions by changing the ratio of reacting substances, the synthesis temperature, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a31c892c4d1fc4e4c963f7164775ad6
https://doi.org/10.3103/s1062873815080195
https://doi.org/10.3103/s1062873815080195
Autor:
Alexander A. Kamnev, Krisztina Kovács, Zoltán Homonnay, Yu. D. Perfiliev, Erno Kuzmann, Leonid A. Kulikov, Anna V. Tugarova
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 79:1036-1040
The transmission (57Fe) and emission (57Co) variants of Mossbauer spectroscopy are used to monitor metabolic transformations of 57FeIII/57FeII and 57CoII in cells of the bacterium Azospirillum brasilense Sp7. (The spectra are measured at 80 K.) For 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2057ceb8b89b2ba1b9948fa3b60a6599
https://doi.org/10.3103/s1062873815080110
https://doi.org/10.3103/s1062873815080110
Publikováno v:
Moscow University Chemistry Bulletin. 70:74-79
The objective of this work is to find the features of iron oxidation with different contents of isotopes prepared in the form of foils, bulk samples, and powders. The contents of other impurity elements in pure iron samples and 57Fe iron (enrichment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ed454aa5880e565686d94ddad19cdf3
https://doi.org/10.3103/s0027131415020030
https://doi.org/10.3103/s0027131415020030
Publikováno v:
Hyperfine Interactions. 238
Being the main cause of cancer, almost all chemical carcinogens are strong electrophiles, that is, they have a high affinity for the electron. We have shown that positron annihilation lifetime spectroscopy (PALS) is able to detect chemical carcinogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8227405dda1c806f4faff6797e8fdfc8
https://doi.org/10.1007/s10751-017-1455-1
https://doi.org/10.1007/s10751-017-1455-1