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FACTORS THAT INFLUENCE THE GIANT MAGNETORESISTANCE IN GRANULAR FILMS
Author(s) -
Zuoyi Li,
Zilong Peng,
Zheng Yuan-Kai,
Hu Yong-Shi,
Jian Qiu
Publication year - 1998
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.47.1012
Subject(s) - giant magnetoresistance , materials science , magnetoresistance , condensed matter physics , physics , magnetic field , quantum mechanics
The influence of the particle size and the magnetic deposite on the giant magnetoresistance (GMR) was investigated.Based on the free electron model and spin-dependent scattering theory,the self-energy of the conduction electrons in the granular film system was calculated.In the computing course,we connected the spin-scattering terms with the macroquantity,and abtained the formalism of GMR vs.concentration and GMR vs.size.The simulation curves show that increasing the magnetic concentation and decreasing the particle size can enhance the GMR.

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