Publication: Thermal behavior of flux jumps and influence of pulse-shape on the trapped field during pulsed magnetization of a high-temperature superconductor
Дата
2021
Авторы
Moroz, A. N.
Kashurnikov, V. A.
Rudnev, I. A.
Maksimova, A. N.
Руднев, Игорь Анатольевич
Journal Title
Journal ISSN
Volume Title
Издатель
Аннотация
The impact of temperature on the pulsed magnetization of a high-temperature superconductor (HTS) has been numerically studied. The resulting trapped field (TF) and its distribution over the HTS have been calculated for samples with random and periodic pinning (a regular triangular lattice). The increasing ambient temperature (within the considered values) has been shown to improve the field-trapping efficiency and lead to the possibility of pumping more flux into the sample with each consecutive pulse (contrary to the low-temperature case). Various pulse shapes produced different results at high temperatures. Trapezoidal pulses showed the highest efficiency owing to the constant-field segments during which the vortices continued to enter the sample. The critical (activation) field of flux jumps has been shown to decrease with the rising temperature. At the highest considered temperature (30 K), the flux jumps occurred during the TF relaxation. To the best of our knowledge, such calculations have been done for the first time.
Описание
Ключевые слова
Цитирование
Thermal behavior of flux jumps and influence of pulse-shape on the trapped field during pulsed magnetization of a high-temperature superconductor / Moroz, AN [и др.] // Journal of Physics Condensed Matter. - 2021. - 33. - № 35. - 10.1088/1361-648X/ac0be9
URI
https://www.doi.org/10.1088/1361-648X/ac0be9
https://www.scopus.com/record/display.uri?eid=2-s2.0-85111117400&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000669655200001
https://openrepository.mephi.ru/handle/123456789/16049
https://www.scopus.com/record/display.uri?eid=2-s2.0-85111117400&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000669655200001
https://openrepository.mephi.ru/handle/123456789/16049