Large effect of columnar defects on the thermodynamic properties of Bi2Sr2CaCu2O8 single crystals

被引:47
作者
vanderBeek, CJ
Konczykowski, M
Li, TW
Kes, PH
Benoit, W
机构
[1] ECOLE POLYTECH,SOLIDES IRRADIES LAB,F-91128 PALAISEAU,FRANCE
[2] LEIDEN UNIV,KAMERLINGH ONNES LAB,NL-2300 RA LEIDEN,NETHERLANDS
来源
PHYSICAL REVIEW B | 1996年 / 54卷 / 02期
关键词
D O I
10.1103/PhysRevB.54.R792
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The introduction of columnar defects by irradiation with 5.8-GeV Pb ions is shown to affect significantly the reversible magnetic properties of Bi2Sr2CaCu2O8+gamma single crystals. Notably, the suppression of superconducting fluctuations on length scales greater than the separation between columns leads to the disappearance of the ''crossing point'' in the critical fluctuation regime. At lower temperatures, the strong modification of the vortex energy due to pinning leads to an important change of the reversible magnetization. The analysis of the latter permits the direct determination of the pinning energy.
引用
收藏
页码:R792 / R795
页数:4
相关论文
共 15 条
[1]  
AARTS JM, UNPUB
[2]   FLUCTUATIONS OF VORTICES IN LAYERED HIGH-TC SUPERCONDUCTORS [J].
BULAEVSKII, LN ;
LEDVIJ, M ;
KOGAN, VG .
PHYSICAL REVIEW LETTERS, 1992, 68 (25) :3773-3776
[3]   LIMITS TO THE CRITICAL-CURRENT IN HIGH-T(C) SUPERCONDUCTING TAPES [J].
BULAEVSKII, LN ;
DAEMEN, LL ;
MALEY, MP ;
COULTER, JY .
PHYSICAL REVIEW B, 1993, 48 (18) :13798-13816
[4]  
KES PH, 1991, PHYS REV LETT, V67, P2382
[5]   GINZBURG-LANDAU THEORY OF FLUCTUATION MAGNETIZATION OF 2-DIMENSIONAL SUPERCONDUCTORS [J].
KOSHELEV, AE .
PHYSICAL REVIEW B, 1994, 50 (01) :506-516
[6]   GROWTH OF BI2SR2CACU2O8+X SINGLE-CRYSTALS AT DIFFERENT OXYGEN AMBIENT PRESSURES [J].
LI, TW ;
KES, PH ;
HIEN, NT ;
FRANSE, JJM ;
MENOVSKY, AA .
JOURNAL OF CRYSTAL GROWTH, 1994, 135 (3-4) :481-486
[7]   BOSON LOCALIZATION AND PINNING BY CORRELATED DISORDER IN HIGH-TEMPERATURE SUPERCONDUCTORS [J].
NELSON, DR ;
VINOKUR, VM .
PHYSICAL REVIEW LETTERS, 1992, 68 (15) :2398-2401
[8]   BOSON LOCALIZATION AND CORRELATED PINNING OF SUPERCONDUCTING VORTEX ARRAYS [J].
NELSON, DR ;
VINOKUR, VM .
PHYSICAL REVIEW B, 1993, 48 (17) :13060-13097
[9]  
QIANG L, 1993, PHYS REV B, V48, P9877
[10]   CRITICAL FLUCTUATIONS IN THE THERMODYNAMICS OF QUASI-2-DIMENSIONAL TYPE-II SUPERCONDUCTORS [J].
TESANOVIC, Z ;
XING, L ;
BULAEVSKII, L ;
LI, Q ;
SUENAGA, M .
PHYSICAL REVIEW LETTERS, 1992, 69 (24) :3563-3566