Cellular effective-medium approximation for the giant magnetoresistance in magnetic granular films

被引：2
|
作者：
Zhang, W
Yang, R
机构：
[1] Inst Appl Phys & Computat Math, Lab Computat Phys, Beijing 100088, Peoples R China
[2] Suzhou Univ, Dept Phys, Suzhou 215006, Peoples R China
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1999年 / 11卷 / 22期
关键词：
D O I：
10.1088/0953-8984/11/22/306
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
To derive the conductivity and magnetoresistance of inhomogeneous magnetic granular films, a cellular effective-medium approximation is developed to include spin-dependent interfacial scattering and bulk scattering. It is shown that the giant magnetoresistance as well as the conductivities of these systems depend strongly on the volume fraction and the size of the magnetic granules.
引用
收藏
页码：4341 / 4347
页数：7
相关论文
共 50 条
  • [21] Giant magnetoresistance in magnetic granular solids
    Yang, R
    Zhang, W
    Song, WJ
    SOLID STATE COMMUNICATIONS, 1998, 106 (02) : 107 - 110
  • [22] Giant magnetoresistance in magnetic granular systems
    Song, WJ
    Yang, R
    PHYSICA B, 2000, 279 (1-3): : 181 - 184
  • [23] Structure, magnetic properties and giant magnetoresistance of granular cobalt–silver films
    Maryam Nasehnejad
    Gholamreza Nabiyouni
    Applied Physics A, 2022, 128
  • [24] MICROSTRUCTURE AND GIANT MAGNETORESISTANCE IN GRANULAR AND MULTILAYER MAGNETIC THIN-FILMS
    THANGARAJ, N
    KRISHNAN, KM
    FARROW, RFC
    SCRIPTA METALLURGICA ET MATERIALIA, 1995, 33 (10-11): : 1667 - 1677
  • [25] Giant magnetoresistance of AgCoFe granular thin films for magnetic field sensors
    Kabashi, KK
    Halim, SA
    Lim, KP
    Chik, A
    Abdullah, H
    Sharmiwati, MS
    Zainuddin, H
    Talib, ZA
    SENSORS: ASIASENSE 2003 - ASIAN CONFERENCE ON SENSORS, 2003, : 59 - 64
  • [26] Giant magnetoresistance in magnetic granular systems
    Sheng, L
    Gu, RY
    Xing, DY
    Wang, ZD
    Zhu, JX
    JOURNAL OF APPLIED PHYSICS, 1996, 79 (08) : 6255 - 6257
  • [27] OPTICAL-PROPERTIES OF AL FILMS WITHIN AND BEYOND THE EFFECTIVE-MEDIUM APPROXIMATION
    JUNGK, G
    SCHULTZE, V
    PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1987, 139 (02): : 627 - 633
  • [28] GIANT MAGNETORESISTANCE IN MAGNETIC GRANULAR ALLOYS
    ASANO, Y
    OGURI, A
    INOUE, J
    MAEKAWA, S
    PHYSICAL REVIEW B, 1994, 49 (18): : 12831 - 12834
  • [29] Giant magnetoresistance in magnetic granular systems
    Sheng, L.
    Gu, R.Y.
    Xing, D.Y.
    Wang, Z.D.
    Zhu, Jian-Xin
    Journal of Applied Physics, 1996, 79 (8 pt 2B):
  • [30] Validity of the effective-medium approximation of photonic crystals
    Smigaj, Wojciech
    Gralak, Boris
    PHYSICAL REVIEW B, 2008, 77 (23):
12345