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Magnetic property of pyrolytic carbon prepared on diamond powder in applied magnetic field |
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| Authors: | K. Kamishima T. TokueD. Miyata Y. SatoF. Kadonome T. NodaK. Kakizaki N. HiratsukaY. Imanaka T. Takamasu |
| Affiliation: | a Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Saitama 338-8570, Japan b Tsukuba Magnet Laboratory, National Institute of Materials Science, 3-13 Sakura, Tsukuba 305-0003, Japan |
| Abstract: | We have prepared pyrolytic carbon samples from triethylamine on diamond powder in applied magnetic field of 6 T and investigated their magnetic properties. A ferromagnetic sample was obtained from the pyrolysis products even at room temperature, with spontaneous magnetization of 6.4 A m2/kg at 300 K, which is twice as large as that of the sample prepared without diamond powder. Therefore, the diamond powder seems to promote the formation of a three-dimensional ferromagnetic structure in pyrolytic carbon. |
| Keywords: | Ferromagnetic carbon Chemical vapor deposition in magnetic field |
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