Luo Wei et al 2009 Chinese Phys. Lett. 26 117502 doi:10.1088/0256-307X/26/11/117502
Luo Wei, Zhu Lin-Li and Zheng Xiao-Jing
Show affiliationsBy solving the Boltzmann transport equation and considering the spin-dependent grain boundary scattering, the distribution of electrons in grains and the electrical transport properties in the applied magnetic field are studied. With regard to the dominant influence of grain boundary scattering which is taken as a boundary condition for the electrical transport, the grain size-dependent electrical conductivity is investigated. In addition, the reorientation of the relative magnetization between grains brings the change of the electron spin when the magnetonanocrystalline material is subjected to the magnetic field, resulting in the remarkable giant magnetoresistance effect.
75.47.De Giant magnetoresistance
75.50.Tt Fine-particle systems; nanocrystalline materials
75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects
Condensed matter: electrical, magnetic and optical
Issue 11 (November 2009)
Received 15 July 2009
Luo Wei et al 2009 Chinese Phys. Lett. 26 117502
Deon Solomons et al 2006 Class. Quantum Grav. 23 6585
Jeffrey W. Brosius and Stephen M. White 2006 ApJ 641 L69
David S. Rupke et al. 2005 ApJ 632 751
K. Itoh 2003 Nucl. Fusion 43 1710
R Mélin et al 2003 J. Phys.: Condens. Matter 15 5591
E Di Fabrizio et al 2004 J. Phys.: Condens. Matter 16 S3517
Koji Asami and Akihiko Irimajiri 2000 Phys. Med. Biol. 45 3285
Dietrich Schlichthärle 2001 Meas. Sci. Technol. 12 2211
D W O Rogers 2006 Phys. Med. Biol. 51 R287