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】：Preparation and Properties of MPMG YBCO Bulk with Y2O3 Layer

【刊名】：Journal of Superconductivity and Novel Magnetism

【年、卷、期、起止页码】：65, 224508 (2011)

【全文链接】：http://link.springer.com/article/10.1007%2Fs10948-010-1060-x?LI=true

【序号】：2

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

【题名】：The Effect of Y2O3 Buffer Layer on the Magnetic Properties of Melt-Processed YBCO Superconductor

【刊名】：Journal of Superconductivity and Novel Magnetism

【年、卷、期、起止页码】：390, 143 (2011)

【全文链接】：http://link.springer.com/article/10.1007%2Fs10948-010-0841-6?LI=true

【序号】：3

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

【题名】：The Effect of Excess Y2O3 Addition on the Mechanical Properties of Melt-Processed YBCO Superconductor

【刊名】：Journal of Superconductivity and Novel Magnetism

【年、卷、期、起止页码】：2010 89 4

【全文链接】：http://link.springer.com/article/10.1007%2Fs10948-010-0801-1?LI=true

【序号】：4

【作者】：Alok K. Jha, Neeraj Khare

【题名】：Modeling of hysteretic behavior of the levitation force between superconductor and permanent magnet

【刊名】：Physica C: Superconductivity

【年、卷、期、起止页码】：2013 105 672

【全文链接】：http://www.sciencedirect.com/science/article/pii/S092145341200411X

【序号】：5

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

【题名】：Infiltration Growth and Crystallization Characterization of Single-Grain Y–Ba–Cu–O Bulk Superconductors

【刊名】：Cryst. Growth Des.
【年、卷、期、起止页码】：In Press

【全文链接】：http://pubs.acs.org/doi/abs/10.1021/cg301703t

谢谢。