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Magnetic behavior of graphene sheets embedded carbon film originated from graphene nanocrystallite
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10.1063/1.4790283
/content/aip/journal/apl/102/5/10.1063/1.4790283
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/5/10.1063/1.4790283

Figures

Image of FIG. 1.
FIG. 1.

Raman spectrum of pristine carbon target and carbon films deposited with electron irradiation energy of 10, 50, and 100 eV. The inset figure shows fitting result of 50 eV irradiation sample from 1100 cm−1 to 1800 cm−1, including original spectrum (blue), fitting result (red), D band, and G band (grey).

Image of FIG. 2.
FIG. 2.

The total magnetic moment (in units of 10−3 emu = 10−6 A·m2) without any background subtraction of the plastic foil together with GSEC film (red circle) and without GSEC film (black open square). The measurement was carried out at T = 300 K as a function of magnetic field (1kOe = 106/4π A·m−1) by cycling the field from +10 kOe to −10 kOe and back to +10 kOe.

Image of FIG. 3.
FIG. 3.

Unit magnetic moment (emu/g) after subtraction of background magnetic moment for the pristine carbon and carbon film with irradiation energy of 10, 50, and 100 eV. The inset graph shows a smaller field region of the hysteresis loops.

Image of FIG. 4.
FIG. 4.

GSEC structure obtained from TEM observation (left side), in which the edge defects and curving of graphene nanocrystallite are labeled by arrows. For clearer recognition, a schematic image is drawn (right side).

Image of FIG. 5.
FIG. 5.

The (a) saturation magnetization Ms at 300 K, residual magnetism Br at 300 K, (b) average grain size Lα and sp 2 content of pristine carbon and carbon films with different electron irradiation energy.

Tables

Generic image for table
Table I.

Magnetization (emu/g) at 300 K of GSEC film and some reported graphene based materials.

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/content/aip/journal/apl/102/5/10.1063/1.4790283
2013-02-05
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic behavior of graphene sheets embedded carbon film originated from graphene nanocrystallite
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/5/10.1063/1.4790283
10.1063/1.4790283
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