Photoluminescence Properties of GaN Nanowires Grown in a Gradient-Plasma Environment

YH Ji, AP Huang, Q Gao, WZ Dou, YQ Liu… - The Journal of …, 2020 - ACS Publications
Herein, we report the plasma effect on the surface defects of GaN nanowires (NWs). A
gradient plasma growth system by microwave plasma chemical vapor deposition is …

Theoretical analysis of the hollow electron beam interaction with electromagnetic waves in a partially thermal plasma-loaded helix

M Mehranfar, S Saviz… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The linear theory of the interaction of electromagnetic waves in a helix slow wave structure
filled with thermal plasma driven by an electron beam is investigated. The dispersion …

Electromagnetic Waves Dispersion and Interaction of an Annular Beam‐Ion Channel System in Plasma Waveguide

J Xiao, Z Wang, J Chen, C Liu - Advances in Mathematical …, 2017 - Wiley Online Library
A linear theory for the electromagnetic properties and interactions of an annular beam‐ion
channel system in plasma waveguide is presented. The dispersion relations for two families …

Dispersion relation and growth rate in thermal plasma-loaded traveling wave tube with corrugated waveguide hollow electron beam

S Dehghanizadeh, S Saviz - Journal of Theoretical and Applied Physics, 2015 - Springer
A theory of relativistic traveling wave tube with magnetized thermal plasma-filled corrugated
waveguide with annular electron beam is given. The dispersion relation is obtained by linear …

Theoretical analysis of a thermal plasma-loaded relativistic traveling wave tube having corrugated slow wave structure with solid electron beam

Z Javadi, S Saviz - Journal of Theoretical and Applied Physics, 2015 - Springer
A relativistic traveling wave tube with thermal plasma-filled corrugated waveguide is driven
by a finite solid electron beam with the entire system immersed in a strong longitudinal …

[PDF][PDF] Dispersion and growth-rate characteristics of a sinusoidally corrugated slow-wave structure in presence of cylindrical electron beam

M Garjasi, S Saviz - Open Access Library J., 2015 - file.scirp.org
A theory of relativistic traveling wave tube (RTWT) with magnetized cold plasma-filled
corrugated waveguide with solid electron beam is given. The entire system influenced a …

The effect of plasma densities on radial profile of the axial electric field for plasma loaded traveling wave tube

A Baharvand, M Shaban, S Saviz - Invertis Journal of …, 2016 - indianjournals.com
A traveling wave tube (TWT) filled with a magnetized plasma enclosed within a loss-free wall
in which the gap between the helix and the outer wall is filled with a dielectric material has …

[HTML][HTML] The behavior of the electric field in X and O modes in traveling wave tubes filled with magnetized plasma

M Shaban, A Baharvand, S Saviz - Results in physics, 2016 - Elsevier
In this article magnetized plasma filled traveling wave tubes are investigated. The mentioned
system, is located inside a cylindrical wall. The space between the helix and the wall is filled …