Low‐Pressure Senftleben Effects for Molecular Oxygen

1970 ◽  
Vol 53 (8) ◽  
pp. 3358-3373 ◽  
Author(s):  
J. A. R. Coope ◽  
R. F. Snider ◽  
F. R. McCourt
Keyword(s):  
Molecular Oxygen ◽  
Low Pressure

A computational analysis of the vibrational levels of molecular oxygen in low-pressure stationary and transient radio-frequency oxygen plasma

2016 ◽  
Vol 25 (2) ◽  
pp. 025025 ◽  
Author(s):  
Efe Kemaneci ◽  
Jean-Paul Booth ◽  
Pascal Chabert ◽  
Jan van Dijk ◽  
Thomas Mussenbrock ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Molecular Oxygen ◽  
Oxygen Plasma ◽  
Computational Analysis ◽  
Low Pressure ◽  
Vibrational Levels

Low-pressure line-shape study in molecular oxygen with absolute frequency reference

2013 ◽  
Vol 139 (19) ◽  
pp. 194312 ◽  
Author(s):  
J. Domysławska ◽  
S. Wójtewicz ◽  
A. Cygan ◽  
K. Bielska ◽  
D. Lisak ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Line Shape ◽  
Low Pressure ◽  
Absolute Frequency ◽  
Frequency Reference ◽  
Pressure Line

scholarly journals Quantitative measurements of singlet molecular oxygen in a low pressure ICP

2021 ◽  
Author(s):  
Samuel Douglas Antony Rogers ◽  
Amelia M H Bond ◽  
Robert Peverall ◽  
Gus Hancock ◽  
Colin Western ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Low Pressure ◽  
Singlet Molecular Oxygen ◽  
Quantitative Measurements

Features of the interaction of molecular oxygen with the condensation surface in the plasma of a low-pressure arc discharge

2021 ◽  
pp. 18-25
Author(s):  
Igor Karpov ◽  
◽  
Anatoly Ushakov ◽  
Leonid Fedorov ◽  
Elena Goncharova ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Arc Discharge ◽  
Low Pressure ◽  
Input Power ◽  
Ion Density ◽  
Near Surface ◽  
Positive Ions ◽  
Surface Condensation ◽  
Condensation Surface ◽  
Main Influence

A model has been developed for studying the features of the thermal interaction of molecular oxygen in the near-surface condensation layer in the plasma of a low-pressure arc discharge. It was found that the input power and pressure of the gas mixture exert the main influence on the electron temperature and on the density of positive ions (O_2^+ and O+). It is shown that at a fixed pressure, the ion density increases with an increase in the power of the system, and vice versa.

Effects of Electrical Discharges in Low Pressure Gases on the Morphology of Polyethylene Crystals

1974 ◽  
Vol 32 ◽  
pp. 544-545
Author(s):  
L.H. Bolz ◽  
D.H. Reneker
Keyword(s):  
Power Distribution ◽  
Electrical Discharge ◽  
Dielectric Breakdown ◽  
Ionic Species ◽  
Low Pressure ◽  
Polymer Surfaces ◽  
Electrical Discharges ◽  
Adhesive Bonds ◽  
Power Distribution Lines ◽  
Modification Of The Surface

The attack, on the surface of a polymer, by the atomic, molecular and ionic species that are created in a low pressure electrical discharge in a gas is interesting because: 1) significant interior morphological features may be revealed, 2) dielectric breakdown of polymeric insulation on high voltage power distribution lines involves the attack on the polymer of such species created in a corona discharge, 3) adhesive bonds formed between polymer surfaces subjected to such SDecies are much stronger than bonds between untreated surfaces, 4) the chemical modification of the surface creates a reactive surface to which a thin layer of another polymer may be bonded by glow discharge polymerization.

Field ion microscopy

1988 ◽  
Vol 46 ◽  
pp. 434-435
Author(s):  
Gert Ehrlich
Keyword(s):  
Low Temperature ◽  
Sample Surface ◽  
Low Pressure ◽  
Radius Of Curvature ◽  
Field Ion Microscopy ◽  
Phosphor Screen ◽  
Ion Microscopy ◽  
Field Ion Microscope

The field ion microscope, devised by Erwin Muller in the 1950's, was the first instrument to depict the structure of surfaces in atomic detail. An FIM image of a (111) plane of tungsten (Fig.l) is typical of what can be done by this microscope: for this small plane, every atom, at a separation of 4.48Å from its neighbors in the plane, is revealed. The image of the plane is highly enlarged, as it is projected on a phosphor screen with a radius of curvature more than a million times that of the sample. Müller achieved the resolution necessary to reveal individual atoms by imaging with ions, accommodated to the object at a low temperature. The ions are created at the sample surface by ionization of an inert image gas (usually helium), present at a low pressure (< 1 mTorr). at fields on the order of 4V/Å.

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