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Structure and magnetic properties of Nd0.5Sr0.4Pb0.1MnO3 manganites

Lu Yi Li Qing-An Di Nai-Li Cheng Zhao-Hua Xue Yan-Jie Zhang Li Chen Na Xiao Hong-Wen Zhang Bai-Sheng Chen Dong-Feng

Structure and magnetic properties of Nd0.5Sr0.4Pb0.1MnO3 manganites

Lu Yi, Li Qing-An, Di Nai-Li, Cheng Zhao-Hua, Xue Yan-Jie, Zhang Li, Chen Na, Xiao Hong-Wen, Zhang Bai-Sheng, Chen Dong-Feng
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  • Abstract views:  3023
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Publishing process
  • Received Date:  10 December 2002
  • Accepted Date:  30 December 2002
  • Published Online:  05 April 2003

Structure and magnetic properties of Nd0.5Sr0.4Pb0.1MnO3 manganites

  • 1. (1)中国科学院物理研究所磁学国家重点实验室,北京 100080; (2)中国原子能科学研究院,北京 100240

Abstract: Structure,magnetic and transport properties of polycrystalline Nd0.5S r0.4Pb0.1MnO3 were experimentally studied by ne utron powder diffraction at room temperature and magnetic measurement.The neutron diffraction shows that the space group of this orthorhombic structure is Pnma,i.e.its structure exhibits crystal field distortion.Its Curie temperature TC equals 273K by the M-T curve.According to the R-T curve,it shows a ferromagnetic metal- paramagnetic semiconductor transition as temperature increases and Tp =225 K.Using the competing between manganites crystal field and double exchange inter action explains the metal property at room temperature.

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