Improvement of soft magnetic properties of Fe 0.7 Nb 0.1 Zr 0.1 Ti 0.1 amorphous alloy: A kinetic study approach

Feizabad, Mohammad Hossein Khazaei; Khayati, Gholam Reza; Sharafi, S.; Ranjbar, Mohammad

doi:10.1016/j.jnoncrysol.2018.04.033

Cited by 13 publications

(1 citation statement)

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“…While, the other sample is still in crystalline phase. The amorphization mechanism of these alloys was investigated in the literature [37,[50][51][52]. It can be concluded that the presence of a catalyst in the amorphous phase lead to the lower quality of prepared CNTs due to the lower crystallinity of catalyst, as well as enhanced the possibility of defect formation in CNTs structure.…”

Section: Synthesis Of Cntsmentioning

confidence: 99%

Design and synthesis of carbon nanotubes for adsorption utilities: A proposed approach for direct preparation by mechanical milling at room temperature

2020

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The carbon nanotubes (CNTs) were produced by mechanical milling of Hexane in the presence of two different catalysts (amorphous and crystalline Fe) at Ar atmosphere. Raman spectroscopy, Fourier-transform infrared spectroscopy, transmission electron microscopy, high-resolution scanning electron microscopy, Brunauer-Emmett-Teller (BET) and thermal analysis were employed to characterize the CNTs. The results showed that the amorphous catalyst induced more structural defects in CNTs respect to the crystalline catalyst. The ratio of single wall to multiwall CNTs of prepared samples were about 0.31 and 7.3 for crystalline and amorphous catalyst, respectively. Moreover, the BET results confirmed the higher adsorption capacity of the sample prepared by amorphous catalyst due to their higher structural defects.

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Section: Synthesis Of Cntsmentioning

confidence: 99%