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Magnetic Properties of Bilayer Thin Film Composed of Hard and Soft Ferromagnetic Prussian Blue Analogues
Author(s) -
Fitta Magdalena,
Czaja Paweł,
Krupiński Michał,
Lewińska Gabriela,
Szuwarzyński Michał,
Bałanda Maria
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201701116
Subject(s) - bilayer , prussian blue , materials science , ferromagnetism , magnetization , magnetic hysteresis , ferrimagnetism , layer (electronics) , hysteresis , magnetic anisotropy , condensed matter physics , demagnetizing field , thin film , coercivity , crystallography , magnetic field , nanotechnology , chemistry , membrane , electrode , biochemistry , physics , quantum mechanics , electrochemistry
Abstract The molecule‐ based bilayer system composed of hard Ni 3.38 [Fe(CN) 6 ] 2 ⋅nH 2 O and soft Ni 3.1 [Cr(CN) 6 ] 2 ⋅nH 2 O ferromagnetic Prussian blue analogues has been fabricated on a solid substrate by “layer by layer” deposition. The structure and morphology characterization as well as results of magnetic measurements are described. The thickness of the bilayer is ca. 140 nm including a 35 nm interface. This bilayer system shows anisotropic magnetic properties reflected in the shape of magnetic hysteresis measured in various film orientation with respect to the direction of external magnetic field. There is no exchange interaction between hard and soft magnetic layer and irrespective of bilayer orientation, the magnetization and demagnetization process of both Ni 3.38 [Fe(CN) 6 ] 2 ⋅nH 2 O and Ni 3.1 [Cr(CN) 6 ] 2 ⋅nH 2 O layers occurs independently.