Spin polarization study on one-dimensional ferromagnetic metal/conjugatd polymers

被引:5
作者
Fu, JY [1 ]
Ren, JF [1 ]
Liu, DS [1 ]
Xie, SJ [1 ]
机构
[1] Shandong Univ, Sch Phys & Microelect, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
关键词
interface coupling; spin polarization; spin splitting;
D O I
10.7498/aps.53.1989
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigated theoretically the properties of spin polarization in organic polymer contacting magnetic atoms. Dependence of the spin polarization on the strength of the electron-phonon coupling in a polymer and the spin-dependent effect of the interface coupling were discussed. By modulating the strength of spin splitting, we found that the spin polarization within an organic chain is weaker than that within a metal chain, but stronger than that within a semiconductor.
引用
收藏
页码:1989 / 1993
页数:5
相关论文
共 19 条
  • [11] 2-PHOTON ABSORPTION IN CONJUGATED POLYMERS - CONTRIBUTIONS OF EXCITONIC AND BIEXCITONIC STATES
    SHAKIN, VA
    ABE, S
    [J]. PHYSICAL REVIEW B, 1994, 50 (07): : 4306 - 4315
  • [12] Electrical spin injection into semiconductors
    Smith, DL
    Silver, RN
    [J]. PHYSICAL REVIEW B, 2001, 64 (04)
  • [13] SOLITON EXCITATIONS IN POLYACETYLENE
    SU, WP
    SCHRIEFFER, JR
    HEEGER, AJ
    [J]. PHYSICAL REVIEW B, 1980, 22 (04): : 2099 - 2111
  • [14] Photoinduced polarization inversion in a polymeric molecule
    Sun, X
    Fu, RL
    Yonemitsu, K
    Nasu, K
    [J]. PHYSICAL REVIEW LETTERS, 2000, 84 (13) : 2830 - 2832
  • [15] BOUNDARY RESISTANCE OF THE FERROMAGNETIC-NONFERROMAGNETIC METAL INTERFACE
    VANSON, PC
    VANKEMPEN, H
    WYDER, P
    [J]. PHYSICAL REVIEW LETTERS, 1987, 58 (21) : 2271 - 2273
  • [16] Ground-state properties of ferromagnetic metal/conjugated polymer interfaces
    Xie, SJ
    Ahn, KH
    Smith, DL
    Bishop, AR
    Saxena, A
    [J]. PHYSICAL REVIEW B, 2003, 67 (12) : 7
  • [17] Exciton states and luminescent properties in one-dimensional semiconductor polymer and the effect of lattice distortion - Lanczos exact diagonalization method
    Xiong, Y
    [J]. ACTA PHYSICA SINICA, 1999, 48 (06) : 1138 - 1146
  • [18] Spin-polarized transport in inhomogeneous magnetic semiconductors:: Theory of magnetic/nonmagnetic p-n junctions -: art. no. 066603
    Zutic, I
    Fabian, J
    Das Sarma, S
    [J]. PHYSICAL REVIEW LETTERS, 2002, 88 (06) : 66603/1 - 66603/4
  • [19] 傅柔励, 1998, 物理学报, V47, P94