求助英文文献5篇，谢谢。

【序号】：1

【作者】：Y Ishii, T Nakashima, Y Yamazaki, J Shimoyama, H Ogino, S Horii and K Kishio

【题名】：Growth and properties of air-processed GdBa2Cu3O7−δ superconductors with fined Gd2BaCuO5 and Gd2Ba4CuFeOy additions

【刊名】：Physica C: Superconductivity

【年、卷、期、起止页码】：65, 224508 (2009)

【全文链接】：http://www.sciencedirect.com/science/article/pii/S0921453409002524

【序号】：2

【作者】：Y Ishii1, T Akasaka1, Y Kinemura1, H Ogino1, S Horii2, J Shimoyama1 and K Kishio1

【题名】：Influence of Zr and Ce doping on electromagnetic properties of (Gd,Y)–Ba–Cu–O superconducting tapes fabricated by metal organic chemical vapor deposition

【刊名】：Physica C: Superconductivity

【年、卷、期、起止页码】：390, 143 (2009)

【全文链接】：http://www.sciencedirect.com/science/article/pii/S0921453409005206

【序号】：3

【作者】：T Nakashima, Y Ishii, T Katayama, H Ogino, S Horii, J Shimoyama and K Kishio

【题名】：A comparative study of Pr substitution at Y and Ba sites in YBa2Cu3O7 − δ

【刊名】：Materials Letters

【年、卷、期、起止页码】：2011 89 4

【全文链接】：http://www.sciencedirect.com/science/article/pii/S0167577X10010542

【序号】：4

【作者】：Alok K. Jha, Neeraj Khare

【题名】：Nano-engineered defect structures in Ce- and Ho-doped metal-organic chemical vapor deposited YBa2Cu3O6+δ films: Correlation of structure and chemistry with flux pinning performance

【刊名】：Journal of Applied Physics
【年、卷、期、起止页码】：2011 105 672

【全文链接】：http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5895988&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D5895988

【序号】：5

【作者】：Jun-ichi Shimoyama, Yoshiaki Tazaki, Yui Ishii, Takayoshi Nakashima, Shigeru Horii and Kohji Kishio

【刊名】：Journal of Applied Physics

【年、卷、期、起止页码】：2012, 89, 1163-1170

【全文链接】：http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6168136&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6168136

谢谢。