%0 Journal Article
%T A Study of Substitution Site of Sn in YBa_2(Cu_(1-x)Sn_x)_3O_y Superconductors by Positron Annihilation Technique<br>
%J 科学通报(英文版)
%D 1993
%I 
%K high temperature superconductor
%K substitution of elements
%K positron annihilation lifetime spectra<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=629796382EF6310E7BACB313C10FC2FA&yid=D418FDC97F7C2EBA&vid=16D8618C6164A3ED&iid=9CF7A0430CBB2DFD&sid=CA122BD5B2FF2137&eid=CA122BD5B2FF2137&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0