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Electrical manipulation of magnetic anisotropy in the composite of liquid crystals and ferromagnetic nanorods
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10.1063/1.2943655
/content/aip/journal/apl/93/1/10.1063/1.2943655
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/1/10.1063/1.2943655
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Figures

Image of FIG. 1.
FIG. 1.

Schematic profile of the nanorods-LC device. (a) LCs in the device align parallel to the cell plane before applying bias. (b) After applying an external electric field, LCs align perpendicular to the cell plane.

Image of FIG. 2.
FIG. 2.

TEM, XRD pattern, and Raman spectra of Ni nanorods investigated in this work. (a) TEM shows that the Ni nanorod has about in length and in diameter. (b) XRD pattern of Ni nanorods shows fcc structure of Ni nanorods.

Image of FIG. 3.
FIG. 3.

Magnetic hysteresis loop of Ni nanorods. The hysteresis curve (at ) shows a coercive field measured of is much higher than nickel bulk. The high saturation magnetization demonstrates good surface magnetism of the nickel nanorods prepared using our method.

Image of FIG. 4.
FIG. 4.

Magnetization anisotropy and the change of the orientation of magnetic field as a function of external bias for Ni nanorods embedded in LCs cell. (a) The giant magnetic anisotropy indicates that the Ni nanorods are well aligned with the orientation of LC molecules along the rubbed PI direction (0°). (b) The orientation of magnetic anisotropy changes gradually with external bias. (c) The Ni nanorods mixed with DI water and it shows that DI water has no capability of promoting well-aligned nanorods.

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/content/aip/journal/apl/93/1/10.1063/1.2943655
2008-07-09
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrical manipulation of magnetic anisotropy in the composite of liquid crystals and ferromagnetic nanorods
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/1/10.1063/1.2943655
10.1063/1.2943655
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