Enhanced flux-line pinning in Bi2Sr2CaCu 2Ox by neutron irradiation and Li(n,3T)α reaction-induced charged-particle defects

Justin Schwartz, Shiming Wu

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Large enhancements in the width of the magnetization hysteresis were obtained by neutron irradiating Bi2Sr2CaCu 2Ox and Bi2Sr2Ca(Cu 1-yLiy)2Oz. By inducing Li(n, 3T)α reactions, high-energy ions are produced, allowing a direct comparison of the effects of neutron damage and ion damage in polycrystalline powders. It is shown that the ion damage leads to significantly greater magnetization enhancements, particularly at intermediate temperatures (5, 30, and 77 K results are compared). Significant differences in the magnetic field and temperature dependencies of the induced pinning are quantified.

Original languageEnglish (US)
Pages (from-to)1343-1347
Number of pages5
JournalJournal of Applied Physics
Volume73
Issue number3
DOIs
StatePublished - Dec 1 1993

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neutron irradiation
charged particles
damage
defects
neutrons
magnetization
ions
augmentation
hysteresis
temperature
magnetic fields
energy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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Enhanced flux-line pinning in Bi2Sr2CaCu 2Ox by neutron irradiation and Li(n,3T)α reaction-induced charged-particle defects. / Schwartz, Justin; Wu, Shiming.

In: Journal of Applied Physics, Vol. 73, No. 3, 01.12.1993, p. 1343-1347.

Research output: Contribution to journalArticle

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AU - Wu, Shiming

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AB - Large enhancements in the width of the magnetization hysteresis were obtained by neutron irradiating Bi2Sr2CaCu 2Ox and Bi2Sr2Ca(Cu 1-yLiy)2Oz. By inducing Li(n, 3T)α reactions, high-energy ions are produced, allowing a direct comparison of the effects of neutron damage and ion damage in polycrystalline powders. It is shown that the ion damage leads to significantly greater magnetization enhancements, particularly at intermediate temperatures (5, 30, and 77 K results are compared). Significant differences in the magnetic field and temperature dependencies of the induced pinning are quantified.

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