COMPARATIVE-STUDY OF MAGNETIC AND TRANSPORT-PROPERTIES AND E-J CHARACTERISTICS ANALYSIS OF EPITAXIAL YBA2CU7-DELTA THIN-FILMS

被引:20
作者
ZHUKOV, AA
STROBEL, JP
KUMMETH, P
KRAUS, M
PEEHS, S
SCHINDLER, W
KHASANOW, I
NEUMULLER, HW
SAEMANNISCHENKO, G
YARYGIN, AA
KRASNOSVOBODTZEV, SI
机构
[1] UNIV ERLANGEN NURNBERG,INST PHYS,W-8520 ERLANGEN,GERMANY
[2] SIEMENS AG,FORSCHUNGSZENTRUM ERLANGEN,W-8520 ERLANGEN,GERMANY
[3] RUSSIAN ACAD SCI,INST SOLID STATE PHYS,CHERNOGOLOVKA,RUSSIA
[4] RUSSIAN ACAD SCI,INST PHYS,MOSCOW 117924,RUSSIA
关键词
YBCO; THIN FILMS; MAGNETIC PROPERTIES;
D O I
10.1016/0011-2275(93)90093-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
A comparative study of transport and magnetic properties was made for opitaxial YBa2CU3O7-delta thin films. Good correspondence was found for the current-voltage characteristics determined by transport and magnetic measurements. This fact gives direct evidence for the validity of the Bean model in the cass of thin films. Different types of E(J) relations were analysed. The best agreement was found for the current - voltage characteristics with the vortex activation energy dependence U(J) = U0(J0/J)mu. The temperature dependences of the parameter mu are obtained for different magnetic fields.
引用
收藏
页码:142 / 146
页数:5
相关论文
共 20 条
[1]   HARD SUPERCONDUCTIVITY - THEORY OF MOTION OF ABRIKOSOV FLUX LINES [J].
ANDERSON, PW ;
KIM, YB .
REVIEWS OF MODERN PHYSICS, 1964, 36 (1P1) :39-&
[2]  
[Anonymous], 2002, ELECTRODYNAMICS CONT
[3]   MAGNETIZATION OF HARD SUPERCONDUCTORS [J].
BEAN, CP .
PHYSICAL REVIEW LETTERS, 1962, 8 (06) :250-+
[4]   DISLOCATION-MEDIATED VORTEX-LATTICE MELTING IN THIN-FILMS OF ALPHA-NB3GE [J].
BERGHUIS, P ;
VANDERSLOT, ALF ;
KES, PH .
PHYSICAL REVIEW LETTERS, 1990, 65 (20) :2583-2586
[5]   PINNING OF FLUX VORTICES IN TYPE 2 SUPERCONDUCTORS [J].
CAMPBELL, AM ;
EVETTS, JE ;
DEWHUGHE.D .
PHILOSOPHICAL MAGAZINE, 1968, 18 (152) :313-&
[6]  
CLINE HE, 1965, PHYS REV A, V137, P1769
[7]   MODEL FOR FLUX CREEP IN HIGH-TC SUPERCONDUCTORS [J].
DEWHUGHES, D .
CRYOGENICS, 1988, 28 (10) :674-677
[8]   THEORY OF COLLECTIVE FLUX CREEP [J].
FEIGELMAN, MV ;
GESHKENBEIN, VB ;
LARKIN, AI ;
VINOKUR, VM .
PHYSICAL REVIEW LETTERS, 1989, 63 (20) :2303-2306
[9]  
Fietz W.A., 1964, PHYS REV A, V136, P335
[10]   VORTEX-GLASS SUPERCONDUCTIVITY - A POSSIBLE NEW PHASE IN BULK HIGH-TC OXIDES [J].
FISHER, MPA .
PHYSICAL REVIEW LETTERS, 1989, 62 (12) :1415-1418