Volume 125, Number 1, January 2019
|Number of page(s)||4|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||21 January 2019|
Core-shell Fe-C nanoparticles synthesis in a spherical striated glow discharge
Institute of Thermophysics SB RAS - Lavrentyev Ave., 1, 630090 Novosibirsk, Russia
Received: 26 October 2018
Accepted: 18 December 2018
The morphology and structure of core-shell nanoparticles that formed in a spherical striated glow discharge were studied. The low-pressure glow discharge is generated in a steel chamber in ethanol vapour. Transmission electron microscopy shows that core-shell particles with an iron core, coated by two carbon shells, are formed in the discharge. The shell adjacent to the iron core is crystalline with distances between the crystal layers close to those of graphite. The outer shell is an amorphous carbon material. A possible scenario of the formation of these particles is discussed.
PACS: 52.27.Lw – Dusty or complex plasmas; plasma crystals / 81.05.U- – Carbon/carbon-based materials / 82.33.Xj – Plasma reactions (including flowing afterglow and electric discharges)
© EPLA, 2019
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