Effect of Thickness on Magnetic Properties of Fe₃₆Co₃₆B_19.2Si_4.8Mo₂W₂Thin Film Prepared by Thermionic Vacuum Arc

Abstract

Fe 36 Co 36 B 19.2 Si 4.8 Mo 2 W 2 amorphous thin films have been produced by thermionic vacuum arc with thickness varying from 200 nm to 260 nm. X-ray diffraction has been employed to reveal a predominant amorphous phase in the as-prepared samples, although a small crystalline fraction cannot be excluded. The bulk magnetic properties of thin films were examined at room temperature using an ADE Magnetics EV9 vibrating sample magnetometer with maximum magnetic field strength of 1750 kA/m, real-time field control and dynamic gauss range capable of reaching a resolution of 0.08 A/m at low fields. The minimum value of the coercivity for the as-prepared samples was about 7 kA/m.

Thermionic Vacuum Arc—A Versatile Technology for Thin Film Deposition and Its Applications

“…The authors of [221,222] used for studies of the tunneling magnetoresistance (TMR) effect nanoglobular films where the role of an insulating material played MgO and that of a ferromagnetic one Co. The deposition proceeded in dual TVA and the relative amount of Co in different samples was controlled by the distance of the substrate from the Co crucible; the highest Co content around 35 at.…”

Coating Effect on Magnetic Properties of Fe36Co36B19.2Si4.8Mo3W1Amorphous Ribbons

“…Nowadays usually magnetic metallic glasses are produced in the shape of lms, ribbons and wires with a small size in a least one dimension [1,2]. Among them, ribbons and lms are frequently used for microelectronics and sensor applications [3,4]. The knowledge and the control of the bulk magnetic properties of magnetic metallic alloys are important in order to obtain miniaturized magnetic devices with improved performances [4].…”

“…Among them, ribbons and lms are frequently used for microelectronics and sensor applications [3,4]. The knowledge and the control of the bulk magnetic properties of magnetic metallic alloys are important in order to obtain miniaturized magnetic devices with improved performances [4].…”

“…There are dierent physical and chemical methods such as pulsed laser, sputtering, thermal evaporation, thermionic vacuum arc, chemical vapor deposition, anodization, etc. to prepare thin lms [4]. Another method to produce thin lms is electrodeposition.…”