M?ssbauer study and magnetic properties of electrochemical material LiFePO4

doi:10.1088/1009-1963/13/12/032

中国物理B ›› 2004, Vol. 13 ›› Issue (12): 2158-2161.doi: 10.1088/1009-1963/13/12/032

M?ssbauer study and magnetic properties of electrochemical material LiFePO₄

刘立君¹, 陈立泉¹, 黄学杰¹, 邸乃力², 寇志起², 成昭华², 罗志³

(1)Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China; (2)State Key Laboratory of Magnetism, Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China; (3)State Key Laboratory of Magnetism, Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China; Department of Physics, Shantou University, Shantou 515063, China

收稿日期:2004-05-14 修回日期:2004-08-17 出版日期:2004-12-17 发布日期:2005-03-17
基金资助:
Project supported by the State Key Development Programme for Basic Research of China (Grand No 2001CB610605) and the National Natural Sciences Foundation of China (Grand No10274014).

Mössbauer study and magnetic properties of electrochemical material LiFePO₄

Luo Zhi (罗志)^ab, Di Nai-Li (邸乃力)^a, Kou Zhi-Qi (寇志起)^a, Cheng Zhao-Hua (成昭华)^a, Liu Li-Jun (刘立君)^c, Chen Li-Quan (陈立泉)^c, Huang Xue-Jie (黄学杰)^c

^a State Key Laboratory of Magnetism, Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China; ^b Department of Physics, Shantou University, Shantou 515063, China; ^c Institute of Physics and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China

Received:2004-05-14 Revised:2004-08-17 Online:2004-12-17 Published:2005-03-17
Supported by:
Project supported by the State Key Development Programme for Basic Research of China (Grand No 2001CB610605) and the National Natural Sciences Foundation of China (Grand No10274014).

摘要/Abstract

摘要： Magnetic properties and crystal symmetry of electrochemical material LiFePO_{4} have been investigated by M?ssbauer spectroscopy and magnetization measurement. Magnetization reveals the antiferromagnetic nature of LiFePO_{4}. Temperature dependence of inverse susceptibility and that of hyperfine field confirm that there is an antiferromagnetic-paramagnetic transition at about 50K.

Abstract: Magnetic properties and crystal symmetry of electrochemical material LiFePO$_{4}$ have been investigated by M?ssbauer spectroscopy and magnetization measurement. Magnetization reveals the antiferromagnetic nature of LiFePO$_{4}$. Temperature dependence of inverse susceptibility and that of hyperfine field confirm that there is an antiferromagnetic-paramagnetic transition at about 50K.

Key words: lithium-polymer battery, Mössbauer spectroscopy, lithium iron phosphates

中图分类号: (M?ssbauer effect; other γ-ray spectroscopy)

76.80.+y

75.60.Ej (Magnetization curves, hysteresis, Barkhausen and related effects) 75.30.Kz (Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.)) 75.50.Ee (Antiferromagnetics)

罗志, 邸乃力, 寇志起, 成昭华, 刘立君, 陈立泉, 黄学杰. M?ssbauer study and magnetic properties of electrochemical material LiFePO₄[J]. 中国物理B, 2004, 13(12): 2158-2161.

Luo Zhi (罗志), Di Nai-Li (邸乃力), Kou Zhi-Qi (寇志起), Cheng Zhao-Hua (成昭华), Liu Li-Jun (刘立君), Chen Li-Quan (陈立泉), Huang Xue-Jie (黄学杰). Mössbauer study and magnetic properties of electrochemical material LiFePO₄[J]. Chinese Physics, 2004, 13(12): 2158-2161.

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M?ssbauer study and magnetic properties of electrochemical material LiFePO₄

Mössbauer study and magnetic properties of electrochemical material LiFePO₄

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