Zobrazeno 1 - 10
of 11
pro vyhledávání: '"L. M. Karpova"'
Autor:
L. M. Karpova
Publikováno v:
Review of Omsk State Pedagogical University. Humanitarian research. :14-19
The article is devoted to the problem of identifying the content and use of the concept “new ethics” in the journalistic, philosophical and cultural Russian-language literature of recent years. The author reveals the internally contradictory natu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::494a9f40ac234e63d83da3dd931ae822
https://doi.org/10.36809/2309-9380-2021-32-14-19
https://doi.org/10.36809/2309-9380-2021-32-14-19
Autor:
L. M. Karpova, T. V. Panchenko
Publikováno v:
Journal of Physics and Electronics. 28:29-32
The results of an experimental study of the effect of nonstoichiometric defects in oxygen and the Bi:Si ratio, as well as Cr ions, on the photoconductivity of Bi12SiO20 crystals are presented. It is shown that varying the annealing conditions allows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af254a8f19124ce629875b2798d49b1a
https://doi.org/10.15421/332005
https://doi.org/10.15421/332005
Autor:
L. M. Karpova, T. V. Panchenko
Publikováno v:
Journal of Physics and Electronics. 28:25-28
The effect of chromium and manganese ions on the dielectric properties of Bi12SiO20 crystals is studied by the dielectric spectroscopy methods in the sound frequency range in the temperature range 280 – 800 K.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::926937bead5efe59e3995b2a653170f5
https://doi.org/10.15421/332004
https://doi.org/10.15421/332004
Publikováno v:
Ukrainian Journal of Physics; Vol. 66 No. 11 (2021); 988
Український фізичний журнал; Том 66 № 11 (2021); 988
Український фізичний журнал; Том 66 № 11 (2021); 988
The polarization processes in Bi12SiO20 crystals doped with Fe (Bi12SiO20 : Fe) in the temperature interval 300–800 K are studied by the thermoactivation spectroscopy methods. The temperature dependences of the thermostimulated depolarization (TSD)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef760089f975d784bf4d1fd99ed30e10
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021047
https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021047
Autor:
T. V. Panchenko, L. M. Karpova
Publikováno v:
Journal of Physics and Electronics. 27:85-88
The temperature-frequency dependences of the complex dielectric permittivity ε and the voltage-farad characteristics of undoped and aluminum doped Bi12SiO20 crystals are studied before and after their polarization. It is shown that Al ions in the Bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da3c97d11436c3edb554f43c394979e1
https://doi.org/10.15421/331930
https://doi.org/10.15421/331930
Publikováno v:
Ferroelectrics. 281:67-77
Frequency-temperature characteristics of dielectric permittivity and loss factor of Bi 12 SiO 20 crystals doped by Cr and Mn ions have been carried out in audio frequency range in temperature interval 290 to 800 K. Dielectric anomalies of relaxation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea88f5ff340e971060099761596c938f
https://doi.org/10.1080/00150190215116
https://doi.org/10.1080/00150190215116
Publikováno v:
Physics of the Solid State. 42:689-693
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc29155ec24214cde8ffbf8e9b891581
https://doi.org/10.1134/1.1131271
https://doi.org/10.1134/1.1131271
Autor:
L. M. Karpova, T. V. Panchenko
Publikováno v:
Physics of the Solid State. 41:1460-1463
The thermally stimulated depolarization currents and the temperature dependences of optical absorption are investigated. Interaction processes between defects are observed. A model consisting of association-dissociation of quasidipoles in the form of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0348b0ae14ec1e48f34ea44fc7465755
https://doi.org/10.1134/1.1131031
https://doi.org/10.1134/1.1131031
Publikováno v:
Ferroelectrics. 214:287-294
The method of thermally stimulated depolarization currents was used to investigate electrically active defects in Bi12SiO20 doped with Mn and Cr-ions. The activation energy and the charge localized at these defects during the polarization processes w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44e5d0d6526649cc9fd93d4da70c0062
https://doi.org/10.1080/00150199808220268
https://doi.org/10.1080/00150199808220268
Publikováno v:
Physics of the Solid State. 39:1085-1090
A study is reported of the temperature and frequency dependences of the permittivity and losses in Cr-doped Bi12SiO20 crystals at sonic frequencies and in the range 300–800 K. A number of dielectric anomalies and a close-to-linear Cole-Cole diagram
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d57fab80bf24f08ea9f352247b2840f
https://doi.org/10.1134/1.1130017
https://doi.org/10.1134/1.1130017