Superconductivity in MgB2 irradiated with energetic protons

被引：6

作者：

Sandu, Viorel ^{[1
]}

Craciun, Liviu ^{[2
]}

Ionescu, Alina Marinela ^{[1
,3
]}

Aldica, Gheorghe ^{[1
]}

Miu, Lucica ^{[1
]}

Kuncser, Andrei ^{[1
,3
]}

机构：

[1] Natl Inst Mat Phys, 405A Atomistilor Str, Magurele 077125, Romania

[2] Horia Hulubei Natl Inst Nucl Phys & Engn, 30 Reactorului Str, Magurele 077125, Romania

[3] Univ Bucharest, Fac Phys, 405 Atomistilor Str, Magurele 077125, Romania

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2016年 / 528卷

关键词：

MgB2; Proton irradiation; Critical current; Pinning energy; Magnetic relaxation; Flux jump; CRITICAL-CURRENT-DENSITY; NEUTRON-IRRADIATION; BULK SAMPLES; MAGNETIZATION; INSTABILITY; DISLOCATION; RELAXATION;

D O I：

10.1016/j.physc.2016.07.006

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A series of MgB2 samples were irradiated with protons of 11.3 and 13.2 MeV. Magnetization data shows an insignificant reduction of the critical temperatures but a continuous decrease of the Meissner fraction with increasing fluence or energy. All samples show a consistent improvement of the critical current density compared to the virgin sample and an increase of the pinning energy at high fields as resulted from relaxation data. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：27 / 34

页数：8

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