Atomic-Scale Mechanism of Grain Boundary Effects on the Magnetic and Transport Properties of Fe3O4 Bicrystal Films.

作者: Wenbo Mi , Mei Wu , Peng Gao , Ke Qu , Xiang Liu

DOI: 10.1021/ACSAMI.0C21705

关键词: Magnetic structureCondensed matter physicsMagnetizationMagnetoresistanceAtomic unitsMagnetic anisotropyStrongly correlated materialMaterials scienceMagnetic momentGrain boundary

摘要: In strongly correlated materials, change of the local lattice configuration is expected to tune or even generate new properties otherwise in the ideal bulk materials. For highly spin …

参考文章(52)
Neeraj Khare, U. P. Moharil, A. K. Gupta, A. K. Raychaudhuri, S. P. Pai, R. Pinto, Temperature dependence of magnetoresistance and nonlinear conductance of the bicrystal grain boundary in epitaxial La0.67Ba0.33MnO3 thin films Applied Physics Letters. ,vol. 81, pp. 325- 327 ,(2002) , 10.1063/1.1481785
Vladimir I. Anisimov, Jan Zaanen, Ole K. Andersen, Band theory and Mott insulators: Hubbard U instead of Stoner I. Physical Review B. ,vol. 44, pp. 943- 954 ,(1991) , 10.1103/PHYSREVB.44.943
G. Q. Gong, A. Gupta, Gang Xiao, W. Qian, V. P. Dravid, MAGNETORESISTANCE AND MAGNETIC PROPERTIES OF EPITAXIAL MAGNETITE THIN FILMS Physical Review B. ,vol. 56, pp. 5096- 5099 ,(1997) , 10.1103/PHYSREVB.56.5096
R. Gunnarsson, A. Kadigrobov, Z. Ivanov, Model for spin-polarized transport in perovskite manganite bicrystal grain boundaries Physical Review B. ,vol. 66, pp. 024404- ,(2002) , 10.1103/PHYSREVB.66.024404
P. E. Blöchl, Projector augmented-wave method Physical Review B. ,vol. 50, pp. 17953- 17979 ,(1994) , 10.1103/PHYSREVB.50.17953
K. L. Merkle, David J. Smith, Atomic structure of symmetric tilt grain boundaries in NiO Physical Review Letters. ,vol. 59, pp. 2887- 2890 ,(1987) , 10.1103/PHYSREVLETT.59.2887
M Ziese, H J Blythe, Magnetoresistance of magnetite Journal of Physics: Condensed Matter. ,vol. 12, pp. 13- 28 ,(2000) , 10.1088/0953-8984/12/1/302
W. Eerenstein, T. T. M. Palstra, S. S. Saxena, T. Hibma, Spin-polarized transport across sharp antiferromagnetic boundaries Physical Review Letters. ,vol. 88, pp. 247204- 247204 ,(2002) , 10.1103/PHYSREVLETT.88.247204
R. G. S. Sofin, S. K. Arora, I. V. Shvets, Positive antiphase boundary domain wall magnetoresistance in Fe 3 O 4 (110) heteroepitaxial films Physical Review B. ,vol. 83, pp. 134436- ,(2011) , 10.1103/PHYSREVB.83.134436
K.L. Merkle, David J. Smith, Atomic resolution electron microscopy of NiO grain boudaries Ultramicroscopy. ,vol. 22, pp. 57- 70 ,(1987) , 10.1016/0304-3991(87)90050-7