Characteristics of a reflex discharge with a box-shaped cathode cavity and emission properties of the discharge plasma

2007 ◽  
Vol 52 (2) ◽  
pp. 276-280 ◽  
Author(s):  
A. P. Semenov
2002 ◽  
Vol 73 (8) ◽  
pp. 2974-2980 ◽  
Author(s):  
E. I. Toader ◽  
W. G. Graham ◽  
C. M. O. Mahony ◽  
P. G. Steen

2020 ◽  
Vol 90 (3) ◽  
pp. 380
Author(s):  
В.Я. Мартенс

The anisotropic perturbation of a hollow-cathode reflex discharge plasma when electrons are extracted from it through an axial channel in the cathode-reflector is experimentally investigated. The expansion of the extracted electrons energy spectrum in the direction of extraction was observed as the external accelerating electric field increased. The energy spectrum expansion is associated with the plasma electrons directional movement towards the emitting surface of plasma. The axial gradients of the concentration and the electric potential are assumed to be the reasons for the directional movement of electrons.


2013 ◽  
Vol 79 (5) ◽  
pp. 939-948 ◽  
Author(s):  
AARTI TEWARI ◽  
SURESH C. SHARMA

AbstractThe theoretical investigations on the effect of different plasmas on the growth and field emission properties of a spherical carbon nanotube (CNT) tip placed over cylindrical CNT surfaces have been carried out for the typical glow discharge plasma parameters. Different plasmas such as H2, Ar, CH4 and CF4 have been considered, and the growth of the CNT in the presence of various plasmas has been estimated in the present investigation. This study suggests that the field emission from the CNT grown in the presence of the H2 plasma is largest. It is also found that amongst the plasmas considered, the CF4 plasma is the most favourable for the growth of the large radius CNT, since the radius achieved in the CF4 plasma is the largest.


1997 ◽  
Vol 7 (5) ◽  
pp. 1039-1044
Author(s):  
N. N. Lebedeva ◽  
V. I. Orbukh ◽  
B. G. Salamov ◽  
M. Özer ◽  
K. Çolakoǧlu ◽  
...  

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