Ferromagnetism in lead graphite-pencils and magnetic composite with CoFe2O4 particles
نویسندگان
چکیده
منابع مشابه
synthesis of amido alkylnaphthols using nano-magnetic particles and surfactants
we used dbsa and nano-magnetic for the synthesis of amido alkylnaphtols.
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We demonstrate direct evidence for ferromagnetic order at defect structures in highly oriented pyrolytic graphite with magnetic force microscopy at room temperature. Magnetic impurities have been excluded as the origin of the magnetic signal after careful analysis supporting an intrinsic magnetic behavior of carbon-based materials. The observed ferromagnetism has been attributed to originate fr...
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Magnetic semiconductor quantum dots with a few carriers represent an interesting model system where ferromagnetic interactions can be tuned by voltage. By designing the geometry of a doped quantum dot, one can tailor the anisotropic quantum states of magnetic polarons. The strong anisotropy of magnetic polaron states in disklike quantum dots with holes comes from the spin splitting in the valen...
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Nanosized titanium dioxide (TiO2) in its anatase form is the most frequently studied and as well as used photocatalyst. There are several syntheses procedures which enable to achieve photocatalytic TiO2. The solgel method utilizing titanium alkoxides is used most often. Alternative precursors such as titanium tetrachloride and titanyl sulphate are also frequently employed. Nowadays the environm...
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ژورنال
عنوان ژورنال: Composites Part B: Engineering
سال: 2012
ISSN: 1359-8368
DOI: 10.1016/j.compositesb.2011.07.013