1992
DOI: 10.1016/0038-1098(92)90748-x
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A study of the hysteresis property of the current-voltage characteristic in high-temperature superconductors

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Cited by 19 publications
(6 citation statements)
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“…The current I reaches its maximum, approximately at 60 A, at R r = 0.01 and then drops abruptly to about 35 A. In our opinion this effect is associated with the transition of the current-voltage characteristic (CVC) of the HTSC sample to the branch with higher differential resistance, observed earlier [8]. As it can be seen from figure 3, under minimum load resistance protection takes place, i.e.…”
Section: Resultssupporting
confidence: 55%
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“…The current I reaches its maximum, approximately at 60 A, at R r = 0.01 and then drops abruptly to about 35 A. In our opinion this effect is associated with the transition of the current-voltage characteristic (CVC) of the HTSC sample to the branch with higher differential resistance, observed earlier [8]. As it can be seen from figure 3, under minimum load resistance protection takes place, i.e.…”
Section: Resultssupporting
confidence: 55%
“…The latter mechanism may take place in polycrystalline HTSC so far as their transport properties are affected mainly by the natural metallic type grain boundaries [12] which constitute the dominant factor to Andreev reflection processes [8,12,13]. In our opinion, Andreev reflection gives the main support in the observed effect of spontaneous drop of current in figure 4.…”
Section: Resultsmentioning
confidence: 66%
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“…In the resistance measurement, low temperature electronic filters with a cutoff frequency of 5kHz were used to prevent measurement artifacts from electromagnetic noise [17]. The measured devices are uniform and show the same behavior of R DC (T ; I DC , B) measured between different contacts along the current direction, see figure S1, indicating that our results are intrinsic and not artifacts stemming from non-uniformity or hysteresis effects [18,19].…”
mentioning
confidence: 77%
“…В умеренных и сильных магнитных полях намагниченность гранулярных ВТСП определяется только откликом гранул [4,5], фактически, внутригранульным критическим током [5,6]. Подсистема межгранульных границ, в свою очередь, определяет транспортные свойства гранулярных ВТСП, поскольку перенос сверхпроводящего тока через объемный обра-зец происходит путем туннелирования носителей через границы между гранулами [7][8][9].…”
Section: Introductionunclassified