Photoinduced magnetic uniaxial anisotropy and molecular orientation of polymer containing azobenzene side groups with free radical end | |
Xu, ZD ; Chen, XF ; Fan, XH ; Wan, XH ; Zhou, QF | |
刊名 | 应用物理杂志
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2003 | |
DOI | 10.1063/1.1559634 |
英文摘要 | A polymer containing azobenzene side groups each with an organic free radical end was synthesized. Before irradiation by an Ar+ laser beam, the polymer was magnetically isotropic. However, with the irradiation of a polarized Ar+ laser beam, the photoisomerization and reorientation of the azobenzenes took place bringing about a magnetic anisotropy in the radical containing polymer film. The magnetic anisotropy was studied by using a superconducting quantum interference device. It was found that when the applied magnetic field Happroximate to1 Oe, the magnetization M-z(H) in the direction perpendicular to the polymer film was 3.63x10(-4) emu/g, while those parallel to the polymer film were M-x(H)=M-y(H)=-1.1x10(-5) emu/g. (C) 2003 American Institute of Physics.; Physics, Applied; SCI(E); EI; 0; ARTICLE; 8; 4392-4394; 93 |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.pku.edu.cn/handle/20.500.11897/255962] ![]() |
专题 | 化学与分子工程学院 |
推荐引用方式 GB/T 7714 | Xu, ZD,Chen, XF,Fan, XH,et al. Photoinduced magnetic uniaxial anisotropy and molecular orientation of polymer containing azobenzene side groups with free radical end[J]. 应用物理杂志,2003. |
APA | Xu, ZD,Chen, XF,Fan, XH,Wan, XH,&Zhou, QF.(2003).Photoinduced magnetic uniaxial anisotropy and molecular orientation of polymer containing azobenzene side groups with free radical end.应用物理杂志. |
MLA | Xu, ZD,et al."Photoinduced magnetic uniaxial anisotropy and molecular orientation of polymer containing azobenzene side groups with free radical end".应用物理杂志 (2003). |
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