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Saturday, August 8, 2020 | History

2 edition of A spectroscopic investigation of an argon glow discharge found in the catalog.

A spectroscopic investigation of an argon glow discharge

by Frederic Henry Michael Kinley

  • 266 Want to read
  • 32 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Nuclear physics

  • Edition Notes

    Statementby Frederic H.M. Kinley and Robert J. O"Malia
    ContributionsO"Malia, Robert J., Naval Postgraduate School (U.S.)
    The Physical Object
    Pagination1 v. :
    ID Numbers
    Open LibraryOL25167846M

    Ar glow discharge jet at atmospheric pressure. Ar metastable density as high as 1x m have been measured close to the jet exit, with a. e. around eV. T. Rotational temperatures of OH(A) and N2(C) feature a large difference with the actual gas temperature. Keywords: optical emission and absorption spectroscopy, collisional.   Glow discharge devices have been utilized as spectrochemical sources for over one hundred years, dating back to the earliest studies of atomic structures. It has only been during the last 40 years that they have been employed in the arena of chemical analysis. Glow Discharge Plasmas in Analytical Spectroscopy presents the state of the art in the use of these devices across a wide range .

    A SPECTROSCOPIC INVESTIGATION OF AN ARGON GLOW DISCHARGE by Frederic H. M. Kinley and Robert J. 0 1 Malia This work is accepted as fulfil ling the thesis requirements for degree o f MASTER OF SCIENCE IN PHYSICS from the United States Naval Postgrad u ate Sc h oo l   Non-thermal properties of Argon glow discharge operating with various operating pressures were measured and presented in this work. The Argon plasma is produced by a parallel conducting electrodes coupling with a high voltage AC power supply. The power supply can generate high AC voltage at various frequencies. The frequencies for the operation are in the range of a few : Watcharapon Kongpiboolkid, Rattachat Mongkolnavin.

    Abstract: Optical emission spectroscopy is used to study a 1-atm dc helium glow discharge with a liquid anode to obtain insight into the physical mechanisms underlying observed plasma self-organization at the liquid surface. Plasma column conditions such as gas temperature, electron density, and species composition were determined by means of optical emissions spectroscopy techniques and Cited by: 3. Transmission of terahertz pulses through DC glow discharge plasma was investigated for different gases. The pressure was kept in between the range of torr torr and for each pressure different measurements were taken at 5 mA, 10 mA and 15 mA plasma currents. Moreover, emission spectrum of Air, N 2 and Ar plasma analysis were done : K. Cinar, G. Karaoglan, Z. Tosun, D. Akbar, H. Altan.


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A spectroscopic investigation of an argon glow discharge by Frederic Henry Michael Kinley Download PDF EPUB FB2

Texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection. National Emergency Library. Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library.

Open Library. Spectroscopic Study of Argon DC Glow Discharge Abdou A. Garamoon, Ahmed Samir, Farouk Fahmy Elakshar, A. Nosair, and Eizaldeen F. Kotp Abstract—In this paper, emission spectra of both positive column (PC) and negative glow (NG) regions of the dc glow Size: KB. A spectroscopic investigation of the afterglow and recombination process in a microsecond pulsed glow discharge Xiaomei Yan, a Yiming Lin, b Rongfu Huang, b Wei Hang * b and Willard W.

Harrison cCited by: Title: Spectroscopic A spectroscopic investigation of an argon glow discharge book of the Separation of A Glow Discharge in an Argon-neon Mixture: Authors: Hackam, R.

Publication: Spectroscopy Letters, vol. 6, is pp. A spectroscopic investigation of an argon glow discharge. distribution is unlimitedThe visible spectrum from argon glow discharges was observed by means of a three-meter concave-grating spectrograph.

The discharges were operated under various conditions: with moving striations in. the positive column and without striations, and in the. A detailed investigation of the effect of argon, oxygen, and methane glow discharge (plasma) treatment of substrates on the adhesion characteristics of parylene polymer to a variety of substrates is reported.

It is found that methane glow discharge treatment, which results in the deposition of a glow discharge polymer of methane on the substrate surface, is most effective in improving the Cited by:   Investigations of atmospheric pressure glow discharges in helium, argon, nitrogen and air in the similar electrode configuration were presented Experiment results showed that for all the gases, plasma non-equilibrium degree in a positive column decreases with discharge Cited by: Glow Discharge Mass Spectroscopy Glow discharge mass spectrometry (GDMS) provides a way for the direct insertion in the mass spectrometer of vapors generated from the glow chambers and permits the direct determination of impurities and depth profiling of solids [51–53].

Glow-discharge optical emission spectroscopy (GDOES) is a spectroscopic method for the quantitative analysis of metals and other non-metallic solids. The idea was published and patented in by Werner Grimm from Hanau, Germany.

Ordinary Atomic spectroscopy can be used to determine the surface of a material, but not its layered structure. Pulsed radiofrequency glow discharge time‐of‐flight mass spectrometry for molecular depth profiling of polymer‐based films silicon thin films on a pulsed radiofrequency argon glow discharge coupled to time of flight profiles in pulsed radiofrequency glow discharge optical emission spectroscopy: Investigation.

Glow Discharge Plasmas in Analytical Spectroscopy presents the state of the art in the use of these devices across a wide range of applications, including materials science, environmental analysis, and bioanalytical chemistry.

Glow discharge devices are well known for their application in direct solids elemental analysis of metals and alloys by Format: Hardcover. A glow discharge is a plasma formed by the passage of electric current through a gas.

It is often created by applying a voltage between two electrodes in a glass tube containing a low-pressure gas. When the voltage exceeds a value called the striking voltage, the gas ionization becomes self-sustaining, and the tube glows with a colored light.

The techniques' of emission and atomic absorption spectroscopy, used to investigate the sputtering of aluminium in an argon dischage, have been employed to investigate the important mechanisms in the reactive sputtering of aluminium in oxygen-argon by: Audio Books & Poetry Community Audio Computers & Technology Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion.

Librivox Free Audiobook. Podcasts. Featured software All software latest This Just In Old School Emulation MS-DOS Games Historical Software Classic PC Games Software Library. A pulsed glow discharge, operating in the microsecond regime, has been found to be advantageous for the examination of solid samples.

We have studied the spectroscopic response by atomic emission, absorption, fluorescence, and mass spectrometries. Results to date show enhanced efficiency for analytical response of the sputtered sample by: Approved for public release; distribution is unlimitedAn investigation of moving-striations in an argon glow discharge using a Baird-Atomic Plasma Spectrograph, was conducted to determine the time differences for appearance of spectral lines with different excitation : John Dachos.

Glow Discharge Optical Emission Spectroscopy (GDOES) is a spectroscopic method for the qualitative and quantitative analysis of metallic and non-metallic solid materials. GDOES allows for the investigation of the elemental composition as well as the layer thickness and layer structure of a sample.

The magnetic field effect on the plasma parameters and the intensity spectrum for glow discharge in argon at low pressures has been investigated by using optical emission spectroscopy Micro hollow cathode discharges (MHCD) consist of two electrodes separated by a thin dielectric (here: μm).

The discharge develops in a hole penetrating all three foils ( μm diameter). When powered by a DC voltage of several V, the discharge shows self-pulsing operation. Voltage and current measurements, optical emission measurements by an ICCD camera equipped with a microscope Author: Beilei Du, Sebastian Mohr, Dirk Luggenhoelscher, Uwe Czarnetzki.

In direct current-glow discharge mass spectrometry (dc-GDMS), the current, voltage and argon pressure can be selected with two degrees of freedom to define the analytical conditions.

The Astrum GD-MS allows control of the current or voltage up to 8 mA and V, respectively. Spectroscopic and Langmuir probe measurements are presented to characterize the argon glow discharge plasma generated by a cost-effective 50 Hz AC power source.

Optical emission spectra (– nm) are recorded for different gas flow rates and filling pressures at constant power by: Quenching mechanisms in argon-nitrogen or neon-nitrogen glow discharge plasmas.

Analytical Chemistry61 (4), DOI: /aca Xinyue Zhang, Kazuaki Wagatsuma. Emission characteristics of MHz radio-frequency glow discharge plasma in a pulsed by: Emission- and fluorescence-spectroscopic investigation of a glow discharge plasma: absolute number density of radiative and nonradiative atoms in the negative glow.

Takubo Y(1), Sato T, Asaoka N, Kusaka K, Akiyama T, Muroo K, Yamamoto : Y. Takubo, T. Sato, N. Asaoka, K. Kusaka, T. Akiyama, K. Muroo, M. Yamamoto.