О низкополевой электродинамике гранулированных ВТСП

Описаны исследования низкополевой электродинамики керамических сверхпроводников YBaCuO. Проведено аналитическое рассмотрение и численное моделирование в рамках модели пиннинга и вязкого течения гипервихрей в ВТСП зависимости вещественной и мнимой составляющих поверхностного импеданса от напряженност...

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Бібліографічні деталі
Опубліковано в: :Физика низких температур
Дата:2000
Автори: Игнатьев, В.К., Негинский, И.В.
Формат: Стаття
Мова:Russian
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2000
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Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/129056
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:О низкополевой электродинамике гранулированных ВТСП / В.К. Игнатьев, И.В. Негинский // Физика низких температур. — 2000. — Т. 26, № 4. — С. 340-349. — Бібліогр.: 8 назв. — рос.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-129056
record_format dspace
spelling Игнатьев, В.К.
Негинский, И.В.
2018-01-15T19:24:34Z
2018-01-15T19:24:34Z
2000
О низкополевой электродинамике гранулированных ВТСП / В.К. Игнатьев, И.В. Негинский // Физика низких температур. — 2000. — Т. 26, № 4. — С. 340-349. — Бібліогр.: 8 назв. — рос.
0132-6414
PACS: 74.60.Ec, 74.60.Jg
https://nasplib.isofts.kiev.ua/handle/123456789/129056
Описаны исследования низкополевой электродинамики керамических сверхпроводников YBaCuO. Проведено аналитическое рассмотрение и численное моделирование в рамках модели пиннинга и вязкого течения гипервихрей в ВТСП зависимости вещественной и мнимой составляющих поверхностного импеданса от напряженности статического магнитного поля, амплитуды и частоты переменного поля. Представлены результаты экспериментальных исследований магнитополевых зависимостей составляющих импеданса. Частотный диапазон исследований - 30 Гц-1 кГц, амплитуда переменной составляющей поля лежит в пределах от 0,1 до 10 Э. Показано, что модель критического состояния применима к ВТСП в области низких частот и малых амплитуд переменной составляющей поля. Модель вязкого течения гипервихрей адекватно описывает низкополевую электродинамику ВТСП в широком частотном диапазоне, в частности, предсказывает экспериментально наблюдаемый гистерезис магнитополевых зависимостей поверхностного импеданса.
Studies of the low-field electrodynamics of YBaCuO ceramic superconductors are described. An analytical treatment and a numerical simulation are carried out in the model of pinning and viscous flow of hypervortices in high-TcTc superconductors (HTSCs) to find the dependence of the real and imaginary components of the surface impedance on the modulus of a static magnetic field and on the amplitude and frequency of an alternating field. Experimental results are presented on the magnetic-field dependence of the impedance components. The studies were carried out in the frequency range from 30 Hz to 1 kHz and at amplitudes of the alternating component of the field from 0.1 to 10 Oe. It is shown that the critical-state model is applicable to HTSCs in the region of low frequencies and small amplitudes of the alternating component of the field. The model of viscous flow of hypervortices gives a good description of the low-field electrodynamics of HTSCs over a wide range of frequencies and, in particular, predicts the experimentally observed hysteresis of the magnetic-field dependence of the surface impedance.
ru
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
Свеpхпpоводимость, в том числе высокотемпеpатуpная
О низкополевой электродинамике гранулированных ВТСП
Low-field electrodynamics of granular high-temperature superconductors
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title О низкополевой электродинамике гранулированных ВТСП
spellingShingle О низкополевой электродинамике гранулированных ВТСП
Игнатьев, В.К.
Негинский, И.В.
Свеpхпpоводимость, в том числе высокотемпеpатуpная
title_short О низкополевой электродинамике гранулированных ВТСП
title_full О низкополевой электродинамике гранулированных ВТСП
title_fullStr О низкополевой электродинамике гранулированных ВТСП
title_full_unstemmed О низкополевой электродинамике гранулированных ВТСП
title_sort о низкополевой электродинамике гранулированных втсп
author Игнатьев, В.К.
Негинский, И.В.
author_facet Игнатьев, В.К.
Негинский, И.В.
topic Свеpхпpоводимость, в том числе высокотемпеpатуpная
topic_facet Свеpхпpоводимость, в том числе высокотемпеpатуpная
publishDate 2000
language Russian
container_title Физика низких температур
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
format Article
title_alt Low-field electrodynamics of granular high-temperature superconductors
description Описаны исследования низкополевой электродинамики керамических сверхпроводников YBaCuO. Проведено аналитическое рассмотрение и численное моделирование в рамках модели пиннинга и вязкого течения гипервихрей в ВТСП зависимости вещественной и мнимой составляющих поверхностного импеданса от напряженности статического магнитного поля, амплитуды и частоты переменного поля. Представлены результаты экспериментальных исследований магнитополевых зависимостей составляющих импеданса. Частотный диапазон исследований - 30 Гц-1 кГц, амплитуда переменной составляющей поля лежит в пределах от 0,1 до 10 Э. Показано, что модель критического состояния применима к ВТСП в области низких частот и малых амплитуд переменной составляющей поля. Модель вязкого течения гипервихрей адекватно описывает низкополевую электродинамику ВТСП в широком частотном диапазоне, в частности, предсказывает экспериментально наблюдаемый гистерезис магнитополевых зависимостей поверхностного импеданса. Studies of the low-field electrodynamics of YBaCuO ceramic superconductors are described. An analytical treatment and a numerical simulation are carried out in the model of pinning and viscous flow of hypervortices in high-TcTc superconductors (HTSCs) to find the dependence of the real and imaginary components of the surface impedance on the modulus of a static magnetic field and on the amplitude and frequency of an alternating field. Experimental results are presented on the magnetic-field dependence of the impedance components. The studies were carried out in the frequency range from 30 Hz to 1 kHz and at amplitudes of the alternating component of the field from 0.1 to 10 Oe. It is shown that the critical-state model is applicable to HTSCs in the region of low frequencies and small amplitudes of the alternating component of the field. The model of viscous flow of hypervortices gives a good description of the low-field electrodynamics of HTSCs over a wide range of frequencies and, in particular, predicts the experimentally observed hysteresis of the magnetic-field dependence of the surface impedance.
issn 0132-6414
url https://nasplib.isofts.kiev.ua/handle/123456789/129056
citation_txt О низкополевой электродинамике гранулированных ВТСП / В.К. Игнатьев, И.В. Негинский // Физика низких температур. — 2000. — Т. 26, № 4. — С. 340-349. — Бібліогр.: 8 назв. — рос.
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AT ignatʹevvk lowfieldelectrodynamicsofgranularhightemperaturesuperconductors
AT neginskiiiv lowfieldelectrodynamicsofgranularhightemperaturesuperconductors
first_indexed 2025-11-26T02:05:58Z
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