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Ferromagnetic carbon materials prepared from polyacrylonitrile
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10.1063/1.3551522
/content/aip/journal/apl/98/5/10.1063/1.3551522
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3551522
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Figures

Image of FIG. 1.
FIG. 1.

Photograph of specimen prepared by pyrolysis of polyacrylonitrile at 1273 K for 1 h. A piece of the specimen in the glass bottle was attracted by the permanent magnet.

Image of FIG. 2.
FIG. 2.

Magnetization curves of carbon material prepared by pyrolysis of polyacrylonitrile at 1273 K for 1 h (a) attracted and (b) not attracted by the permanent magnet. The magnetization curves were measured at 300 K by a SQUID magnetometer under a maximum applied field of 20 kOe.

Image of FIG. 3.
FIG. 3.

Thermomagnetic curve of carbon material prepared by pyrolysis of polyacrylonitrile at 1273 K for 1 h. The saturation magnetization was measured at temperatures between 5 and 300 K by a SQUID magnetometer under an applied field of 20 kOe.

Image of FIG. 4.
FIG. 4.

XRD patterns of (a) polyacrylonitrile powder and (b) carbon material prepared by pyrolysis of polyacrylonitrile at 1273 K for 1 h. The red straight lines show the usual peak positions of the graphite structure.

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/content/aip/journal/apl/98/5/10.1063/1.3551522
2011-02-01
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferromagnetic carbon materials prepared from polyacrylonitrile
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3551522
10.1063/1.3551522
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