Suppression of superconductivity by interparticle interactions in Al nanoparticle assembly

Shih Bin Liu, Chia Tang Chen, Chun Ming Wu, Chin Wei Wang, Chih Jen Wang, Sunil K. Karna, Wen Hsien Li

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

We report on the observations of enhanced superconductivity in a very loosely packed 6.8 nm Al nanoparticle assembly and the suppression of superconductivity by interparticle interactions, through ac magnetic susceptibility and magnetization measurements. TC and HC of the 6.8 nm Al particles are, respectively, 1.9 and 77 times higher than that of bulk Al. M(Ha) curves taken below and above TC can all be described by a Langevin profile, showing the existence of a spontaneous magnetic component in superconducting phase. Superconductivity is found to be gradually suppressed by interparticle interactions.

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文章編號07E153
期刊Journal of Applied Physics
109
發行號7
DOIs
出版狀態已出版 - 1 4月 2011

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