Phase-Transition and Magnetic Moment of the Gd3+ Ion in the Gd2Fe17 Compound |
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| Authors: | HAO Yan-Ming FU Bin ZHOU Yan ZHAO Miao |
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| Affiliation: | Department of Physics, College of Science, Tianjin University of Science and Technology, Tianjin 300222School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083School of Science, Tianjin University of Commerce, Tianjin 300134National Center for Nanoscience and Technology (NCNST), Beijing 100190 |
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| Abstract: | The structure and magnetic phase transitions of the Gd2Fe17 compound are investigated by using a differential thermal/thermogravimetric analyzer, x-ray diffraction, and magnetization measurements. The result shows that there are two phase structures for the Gd2Fe17 compound: the hexagonal Th2Ni17-type structure at high temperatures (above 1243°C), and the rhombohedral Th2Zn17-type structure, respectively. A method to measure the magnetic moments of the Gd-sublattice and the Fe-sublattice in the Gd2Fe17 compound is presented. The moments of the Gd-sublattice and the Fe-sublattice in the Gd2Fe17 compound from 77 to 500K are measured in this way with a vibrating sample magnetometer. A detailed discussion is presented. |
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| Keywords: | 75.30.Et 75.60.Ej |
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