Field induced vanishing of the vortex glass temperature in tl2ba2cacu2o8 thin films
文献类型：期刊论文
| 作者 | Wen, HH; Hoekstra, AFT; Griessen, R; Yan, SL; Fang, L; Si, MS |
| 刊名 | Physical review letters
 |
| 出版日期 | 1997-08-25 |
| 卷号 | 79期号:8页码:1559-1562 |
| ISSN号 | 0031-9007 |
| 通讯作者 | Wen, hh() |
| 英文摘要 | The current density j(s) and relaxation rate q have been measured on a ring shaped tl2ba2cacu2o8 him between 4.2 k and the irreversibility temperature in magnetic fields up to 7 t. the temperature and field dependent exponent mu(t,b-e) used to parametrize the activation energy u in the form u(j(s),t,b-e)=(u-c/mu)[(j(c)/j(s))(mu)-1] is determined for many different fields. in the b-e-t phase diagram we associate the mu=0 line with the,glass temperature t-g and find that t-g essentially drops to 0 k at b-e approximate to 0.7 t, which indicates a dimensional crossover at this field. the mu > 0 region (b-e < 0.7 t, t less than or equal to 55 k) corresponds to 3d elastic vortex motin while the mu < 0 region corresponds to 2d dislocation mediated flux creep. |
| WOS关键词 | HIGH-TC SUPERCONDUCTORS ; FLUX-CREEP ; ACTIVATION-ENERGIES ; YBA2CU4O8 FILMS ; PHASE ; MAGNETIZATION ; TRANSITION ; RELAXATION ; YBA2CU3O7-DELTA ; BI2SR2CACU2O8 |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:A1997XT12400034 |
| 出版者 | AMERICAN PHYSICAL SOC |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2373785 |
| 专题 | 物理研究所 |
| 通讯作者 | Wen, HH |
| 作者单位 | 1.FREE UNIV AMSTERDAM,FAC PHYS & ASTRON,NL-1081 HV AMSTERDAM,NETHERLANDS 2.INST PHYS,NATL LAB SUPERCOND,BEIJING 100080,PEOPLES R CHINA 3.NANKAI UNIV,DEPT ELECT,TIANJIN 300071,PEOPLES R CHINA |
| 推荐引用方式 GB/T 7714 | Wen, HH,Hoekstra, AFT,Griessen, R,et al. Field induced vanishing of the vortex glass temperature in tl2ba2cacu2o8 thin films[J]. Physical review letters,1997,79(8):1559-1562. |
| APA | Wen, HH,Hoekstra, AFT,Griessen, R,Yan, SL,Fang, L,&Si, MS.(1997).Field induced vanishing of the vortex glass temperature in tl2ba2cacu2o8 thin films.Physical review letters,79(8),1559-1562. |
| MLA | Wen, HH,et al."Field induced vanishing of the vortex glass temperature in tl2ba2cacu2o8 thin films".Physical review letters 79.8(1997):1559-1562. |
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来源：物理研究所
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