2024年3月1日 · In this work, for the synthesis of CNT arrays, a one-step heat-treated aluminum foil substrate-supported Fe (NO3) 3 solution “self-reactive process” was developed to prepare Fe@Al 2 O 3 nanoparticles with a diameter of about 20 …

Fe2O3 + Al = Fe + Al2O3 is a Single Displacement (Substitution) reaction where one mole of Hematite [Fe 2 O 3] and two moles of Aluminium [Al] react to form two moles of Iron [Fe] and one mole of Aluminum Oxide [Al 2 O 3]

2007年10月1日 · The results showed that the catalyst incorporated with Al 2 O 3 exhibits a strong Fe–Al 2 O 3 interaction, which obviously weakens the surface basicity, stabilizes the FeO phase and inhibits the reduction of iron catalyst in H 2 or syngas. Furthermore, Fe–Al 2 O 3 interaction also restrains the carburization of iron catalyst in CO or syngas.

1995年1月2日 · A giant magnetoresistance ratio of 30% at 4.2 K and 18% at 300 K was observed for the first time in an Fe/Al 2 O 3 /Fe junction. The conductance at room temperature was expressed well by G =96.2 (1 + 0.09 cos θ) (Ω -1), where θ is the angle between the magnetizations of two iron electrodes.

2020年5月12日 · In this work, we investigate the optimal loading of Cs as a promoter for Fe/Al 2 O 3 catalysts prepared through a simple co-impregnation technique. Through catalytic NH 3 decomposition testing an optimal Cs:Fe ratio of ca. 1 was observed, above which the decomposition rate is significantly supressed.

2020年7月10日 · The results of FTIR analysis indicated an increase in the intensity of the Al-OH absorption with increasing of the Fe dopant. The UV-DRS optical analysis demonstrated that the band gap energy of the pure Al2O3 sample decreased from 4.1 to …

2023年6月23日 · Light hydrocarbon vapors from PE pyrolysis are upgraded into high-value hydrogen through in-situ-formed Fe (II)tetr from the Al2O3/Fe2O3 catalyst.