Cation distribution and particle size effect on Raman spectrum of CoFe2O4
2011年1月1日 · Superparamagnetic, single domain CoFe 2 O 4 particles (6 nm) showed a 20 cm −1 red shift and broadening of phonon modes when compared to the macro-crystalline CoFe 2 …
Cation distribution and particle size effect on Raman spectrum of CoFe2O4
2011年1月1日 · Superparamagnetic, single domain CoFe2 O 4 particles (6 nm) showed a 20 cm −1 red shift and broadening of phonon modes when compared to the macro-crystalline CoFe2 …
CoFe2O4/Ag Nanostructures as Highly Sensitive Surface-Enhanced Raman …
2021年4月6日 · The as-prepared strawberry-like CoFe 2 O 4 @SiO 2 @Ag and snowman-like CoFe 2 O 4-Ag Janus not only displayed high sensitivity due to the surface plasma resonance …
Raman spectra of cobalt ferrite nanoparticles at different …
Raman spectroscopy exhibited strong, well-defined modes for CoFe2O4, indicating its spinel phase formation, while Mg0.9Ni0.1O displayed two broad peaks (G and D bands).
2D Nanostructures of CoFe2O4 and NiFe2O4: Efficient
2018年5月20日 · The structure and composition were characterized using X-ray Diffraction (XRD) analysis and Raman spectroscopy. Surface morphology was characterized using Field …
Table 1 . Measured Raman shifts of CoFe2O4 nanoparticles
In the present study, a core-shell CF@PPy@CoFe2O4 nanocomposite is fabricated through electrodeposition and subsequent hydrothermal methods to enhance the attenuation capacity …
FIGURE 2. Raman spectra of CoFe 2 O 4 nanoparticles. FIGURE 3.
Fig. 4 presents the Raman spectra of the produced CoFe 2 O 4 particles, recorded in the range from 100 to 800 cm − 1 at room temperature.
Cation migration and magnetic ordering in spinel CoFe2O4 …
2002年9月5日 · Micro-Raman scattering was used to characterize spinel CoFe 2 O 4 at high temperature up to 870 K and under an external magnetic field up to 6.0 kOe. It was found that …
Towards hard-magnetic behavior of CoFe2O4 nanoparticles: a …
We have used the coprecipitation and mechanical-milling methods to fabricate CoFe2O4 nanoparticles with an average crystallite size (d) varying from 81 to ∼12 nm when changing …
Structural, magnetic and Raman study of CoFe2O4@C core–shell ...
2015年11月1日 · It was found that carbon shell has a significant effect on the growth and magnetic properties of the core NPs. To study the coated carbon, micro-Raman spectroscopy …