MgB2交流响应teff的电流效应

1.南京大学物理系、固体微结构实验室,南京,210093

2.南京大学物理系、固体微结构实验室,南京,210093

3.南京大学物理系、固体微结构实验室,南京,210093

4.南京大学物理系、固体微结构实验室,南京,210093

5.南京大学物理系、固体微结构实验室,南京,210093

6.南京大学物理系、固体微结构实验室,南京,210093

THE MODIFICATION OF teff IN AC RESPONDENCE OF MgB2

本文并从磁通守恒方程出发,详细求导了Slab样品(厚度为d)交流磁化率的测量方程,并以MgB2为例,测量了在不同外场H和交流信号的频率γ交流磁化率,求得Ueff和J的关系实际上是满足Zeldov关系,实验结果和理论假设完全自洽.

[1]	G Blatter;F M V eigelman;V B Geshkelein;A I Larkin,,and V M Vinokour .[J].Reviews of Modern Physics,1994,66:1346.
[2]	Brandt EH. .SUPERCONDUCTORS OF FINITE THICKNESS IN A PERPENDICULAR MAGNETIC FIELD - STRIPS AND SLABS[J].Physical Review.B.Condensed Matter,1996(6):4246-4264.
[3]	Brandt E H .[J].PHYSICA C,1997,282:343.
[4]	M Nikolo;R B Goldfarb .[J].Physical Review,1989,B39:6615.
[5]	S Y Ding;G Q Wang;X Y Yao;H T Deng,Q Y Peng,and S H Zhou .[J].Physical Review,1995,B51:107.
[6]	K C Hung;X Jin;C C Lam;J F Geng,W M Chen,and H M Shao .[J].Superconductor Science and Technology,1997(10):562.
[7]	M R Beasley;R Labush;W W Webb .[J].Physical Review,1969,181:682.
[8]	T T M Palstra;B Batlogg;R B van Dover;L F Schneemeyer,and J V Waszczak .[J].Physical Review,1990,B41:6621.
[9]	R Griessen;A F Th Hoekstra;H H Wen;G Doornbos and H G Schnack.[J].PHYSICA C,1997:347.

上一张下一张

计量

作者相关

文章评分