Peak Effects in 2H-NbSe2 Single Crystals Induced by Particle Irradiations

Peak Effects in 2H-NbSe2 Single Crystals Induced by Particle Irradiations
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粒子辐照诱导的 2H-NbSe2 单晶峰值效应

DOI:
10.1088/1742-6596/1975/1/012003
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发表时间:
2021
期刊:
J. Phys.: Conf. Ser.
影响因子:
--
通讯作者:
and Tsuyoshi Tamegai,
and Tsuyoshi Tamegai,
中科院分区:
--
文献类型:
--
作者:
Wenjie Li;Sunseng Pyon;Satoru Okayasu;and Tsuyoshi Tamegai,

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研究了320 MeV Au辐照NbSe2单晶中3种柱状缺陷的效应,剂量等效匹配场B Φ达4 T。通过使用SQUID磁强计的磁化测量,两个明显的峰值效应的临界电流密度(JC)的外场依赖性中观察到的晶体中引入的张开和倾斜的柱状缺陷。在具有张开柱状缺陷的晶体中,当张开角θ CD=±10时,峰值电场处的Jc达到最大值,这与YBa2Cu3O7和铁基超导体中的最佳θ CD = ±5略有不同。
Effects of three kinds of columnar defects in NbSe 2 single crystals introduced by 320 MeV Au irradiation with a dose equivalent matching field B Φ up to 4 T were studied. Through the magnetization measurement using a SQUID magnetometer, two pronounced peak effects in the external field dependence of critical current density (J c) were observed in crystals introduced with splayed and tilted columnar defects. In crystals with splayed columnar defects, J c at the peak field reaches the maximum for splay angle θ CD=±10, which is a little different from that found in YBa 2 Cu 3 O 7 and iron-based superconductors, where optimal θ CD is equal to±5.
通量线晶格的峰值效应和反常流动行为。
DOI: 10.1103/physrevb.49.10005
发表时间: 1994
期刊: Physical Review B (Condensed Matter)
影响因子: --
作者:
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通讯作者: Higgins
DOI: 10.1038/35054512
发表时间: 2001-02-01
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