Static and dynamic magnetic properties of melt-spun granular Cu100-xCox alloys

被引:7
作者
Agostinelli, E
Allia, P
Caciuffo, R
Fiorani, D
Rinaldi, D
Testa, AM
Tiberto, P
Vinai, F
机构
来源
SYNTHESIS AND PROPERTIES OF MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS, PTS 1 AND 2 - ISMANAM-96 | 1997年 / 235-2卷
关键词
D O I
10.4028/www.scientific.net/MSF.235-238.705
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The magnetic properties of granular Cu-Co alloys produced by melt-spinning have been investigated by DC and AC susceptibility measurements. The results indicate the occurrence of blocking processes of interacting superparamagnetic particles. The effects of annealing by Joule heating at different current densities are discussed in relation to the giant magnetoresistance properties of the system.
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页码:705 / 710
页数:6
相关论文
共 11 条
[1]   DC JOULE HEATING OF AMORPHOUS METALLIC RIBBONS - EXPERIMENTAL ASPECTS AND MODEL [J].
ALLIA, P ;
TIBERTO, P ;
BARICCO, M ;
VINAI, F .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1993, 64 (04) :1053-1060
[2]  
ALLIA P, 1995, PHYS REV B, V52, P13398
[3]   GIANT MAGNETORESISTANCE IN HETEROGENEOUS CU-CO ALLOYS [J].
BERKOWITZ, AE ;
MITCHELL, JR ;
CAREY, MJ ;
YOUNG, AP ;
ZHANG, S ;
SPADA, FE ;
PARKER, FT ;
HUTTEN, A ;
THOMAS, G .
PHYSICAL REVIEW LETTERS, 1992, 68 (25) :3745-3748
[4]   GRANULAR COBALT IN A METALLIC MATRIX [J].
CHILDRESS, JR ;
CHIEN, CL .
JOURNAL OF APPLIED PHYSICS, 1991, 70 (10) :5885-5887
[5]   Thermal variation of the relaxation time of the magnetic moment of gamma-Fe2O3 nanoparticles with interparticle interactions of various strengths [J].
Dormann, JL ;
DOrazio, F ;
Lucari, F ;
Tronc, E ;
Prene, P ;
Jolivet, JP ;
Fiorani, D ;
Cherkaoui, R ;
Nogues, M .
PHYSICAL REVIEW B, 1996, 53 (21) :14291-14297
[6]   THE EFFECT OF INTERACTIONS ON GMR IN GRANULAR SOLIDS [J].
ELHILO, M ;
OGRADY, K ;
CHANTRELL, RW .
JOURNAL OF APPLIED PHYSICS, 1994, 76 (10) :6811-6813
[7]   EFFECT OF MAGNETIC-INTERACTIONS AND MULTIPLE MAGNETIC PHASES ON THE GIANT MAGNETORESISTANCE OF HETEROGENEOUS COBALT-SILVER THIN-FILMS [J].
GREGG, JF ;
THOMPSON, SM ;
DAWSON, SJ ;
OUNADJELA, K ;
STADDON, CR ;
HAMMAN, J ;
FERMON, C ;
SAUX, G ;
OGRADY, K .
PHYSICAL REVIEW B, 1994, 49 (02) :1064-1072
[8]   A MODEL FOR GIANT MAGNETORESISTANCE IN MAGNETIC GRANULAR SOLIDS [J].
KIM, JH ;
XIAO, JQ ;
CHIEN, CL ;
TESANOVIC, Z ;
XING, L .
SOLID STATE COMMUNICATIONS, 1994, 89 (02) :157-161
[9]   GIANT MAGNETORESISTANCE IN NONMULTILAYER MAGNETIC SYSTEMS [J].
XIAO, JQ ;
JIANG, JS ;
CHIEN, CL .
PHYSICAL REVIEW LETTERS, 1992, 68 (25) :3749-3752
[10]   THEORY OF GIANT MAGNETORESISTANCE IN MAGNETIC GRANULAR FILMS [J].
ZHANG, SF .
APPLIED PHYSICS LETTERS, 1992, 61 (15) :1855-1857