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首页> 外文期刊>Physica, C. Superconductivity and its applications >Temperature dependence of a width of Delta H = Delta B region in 5 wt.% (Fe, Ti) particle-doped MgB2 superconductor
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Temperature dependence of a width of Delta H = Delta B region in 5 wt.% (Fe, Ti) particle-doped MgB2 superconductor

机译：ΔH=δb区宽度的温度依赖性5重量％（Fe，Ti）颗粒掺杂MgB2超导体

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摘要

A temperature dependence of a width of Delta H = Delta B region has been studied for 5 wt.% (Fe, Ti) particle-doped MgB2 superconductor, which is the region that increased applied magnetic field is the same as increasing magnetic induction in a superconductor. The result revealed that widths of the region are linear along temperature. In this paper, we present meanings of the result and details of the calculation. In previous report, we represented a theory that a width of Delta H = Delta B region is related with upper critical field of the superconductor, which is that pinned fluxes at volume defect are pick-out depinned and move in Delta H = Delta B region when the shortest distance between them is the same as that of upper critical field of the superconductor. Thus, we inspected the relationship between a width of the region and upper critical field along temperature theoretically and experimentally. The results show that the two are not only linear along temperature, but also are linear each other. The results support the theory because temperature dependence of a width of Delta H = Delta B region is linear to that of upper critical field of the superconductor.
机译：研究了掺杂5 wt.%（Fe，Ti）颗粒的MgB2超导体的δH=δB区域宽度的温度依赖性，该区域增加的外加磁场与增加超导体中的磁感应相同。结果表明，该区域的宽度与温度呈线性关系。在本文中，我们给出了结果的含义和计算的细节。在以前的报告中，我们提出了一个理论，即δH=δB区域的宽度与超导体的上临界场有关，即当它们之间的最短距离与超导体的上临界场的最短距离相同时，体积缺陷处的钉扎通量被取出并在δH=δB区域移动。因此，我们从理论和实验上研究了该区域的宽度与温度上临界场之间的关系。结果表明，二者不仅沿温度呈线性关系，而且彼此呈线性关系。这些结果支持这一理论，因为δH=δB区域宽度的温度依赖性与超导体上临界场的温度依赖性是线性的。

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