研究了Pr掺杂的Bi2Sr2Ca1-xPrxCu2Oy单晶的三维磁通线向二维饼涡旋的渡越.发现渡越场B2D随温度的降低而缓慢增大，随Pr含量的增加而迅速减小.认为Pr离子掺杂导致局部超导电性被抑制，CuO2面有效超导面积显著减小，削弱了CuO2层间的Josephson耦合.
参考文献
| [1] | W E Lawrence;S.Doniach.in Proceedings of the Twelfth International Conference Low Temperature Physics Kyoto 1970[J].edited by E Kanda (Keigaku Tokyo,1971:361. |
| [2] | G Blatter et al.[J].Reviews of Modern physics,1995,66:1125. |
| [3] | D.Majer;E.Zeldov;M.Konczykowski .[J].Physical Review Letters,1995(75):1166. |
| [4] | B.Khaykovich;M.Konczykowski;E.Zeldov;R.A.Doyle, D.Majer, P.H.Kes, T.W.Li .[J].Physical Review,1997,B56:R517. |
| [5] | G Blatter;V Geshkenbein;A Larkin;H Nordborg .[J].Physical Review,1996,B54:72. |
| [6] | G Yang;S Shang;S D Sutton;I P Jones,J S Abell C E Gough .[J].Physical Review,1993,B48:4054. |
| [7] | T Tamegai;Y Iye;I Oguro .[J].PHYSICA C,1993,213:33. |
| [8] | M Daeumling et al.[J].Nature,1990,346:332. |
| [9] | J.R.Clem .[J].Physical Review,1991,B43:7837. |
| [10] | X G Qiu;V V Moshchalkov;J Karpinski .[J].Physical Review,2000,B62:4119. |
| [11] | A Soibel et al.[J].Nature,2000,406:282. |
| [12] | T Blasius;Ch Niedermayer;J L Tallon .[J].Physical Review Letters,1999(82):4926. |
| [13] | S L Lee;P Zimmermann;H Keller .[J].Physical Review Letters,1993(71):3862. |
| [14] | X F Sun;X Zhao;W B Wu .[J].PHYSICA C,1998,307:67. |
| [15] | X F Sun;X Zhao;X-G Li .[J].Physical Review,1999,B59:8978. |
| [16] | V M Vinokur;P H Kes;A E Koshelev .[J].PHYSICA C,1990,168:1. |
| [17] | T Jacobs;S Sridhar;Q Li;G D Gu,N Koshizuka .[J].Physical Review Letters,1995(75):4516. |
| [18] | R J Radtke;V N Kostur;K Levin .[J].Physical Review,1996,B53:R522. |
| [19] | C Panagopoulos;J R Cooper;N Athanassopoulou .[J].Physical Review,1996,B54:R12721. |
| [20] | X G Li;X F Sun;Y H Toh .[J].Physical Review,1998,B58:1000. |
| [21] | H X Tang;J S Zhu;X G Li .[J].Journal of Applied Physics,1996(79):1991. |
| [22] | R Busch;G Ries;H Werthner;G Kreiselmeyer,G Saemann-Ischenko .[J].Physical Review Letters,1992(69):522. |
| [23] | J.C.Martinez;S.H.Brongersma;A.Koshelev;B.Ivlev, P.H.Kes, R.P.Griessen, D.G.de Groot, Z.Tarnavski, A.A.Menovsky .[J].Physical Review Letters,1992(69):2276. |
| [24] | Y. P. Sun;W. H. Song;B. Zhao .Improved flux pinning and anomalous magnetization peak in heavily overdoped Bi_(2-x)Pb_(x)Sr_(2)CaCu_(2-y)Cr_(y)O_(8+δ) single crystals[J].Applied physics letters,2000(25):3795-3797. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%