Suppression of superconductivity by interparticle interactions in Al nanoparticle assembly

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题名:	Suppression of superconductivity by interparticle interactions in Al nanoparticle assembly
作者:	Liu,SB;Chen,CT;Wu,CM;Wang,CW;Wang,CJ;Karna,SK;Li,WH
贡献者:	物理學系
关键词:	TRANSITION-TEMPERATURE;PRESSURE-DEPENDENCE;ALUMINUM FILMS;PARTICLES;ENHANCEMENT
日期:	2011
上传时间:	2012-06-11 10:53:02 (UTC+8)
出版者:	國立中央大學
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. T(C) and H(C) of the 6.8 nm Al particles are, respectively, 1.9 and 77 times higher than that of bulk Al. M(H(a)) curves taken below and above T(C) 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. (C) 2011 American Institute of Physics. [doi:10.1063/1.3564936]
關聯:	JOURNAL OF APPLIED PHYSICS
显示于类别:	[物理學系] 期刊論文

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