Anisotropy control in magnetic nanostructures through field-assisted chemical vapor deposition.

ABSTRACT: Chemical vapor deposition of iron pentacarbonyl (Fe(CO)₅) in an external magnetic field (B = 1.00 T) was found to significantly affect the microstructure and anisotropy of as-deposited iron crystallites that could be transformed into anisotropic hematite (α-Fe₂O₃) nanorods by aerobic oxidation. The deterministic influence of external magnetic fields on CVD deposits was found to be substrate-independent as demonstrated by the growth of anisotropic α-Fe columns on FTO (F:SnO₂) and Si (100), whereas the films deposited in the absence of the magnetic field were constituted by isotropic grains. TEM images revealed gradual increase in average crystallite size in correlation to the increasing field strength and orientation, which indicates the po

SUBMITTER: Stadler D 

PROVIDER: S-EPMC9419749 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature