Atomic Oxygen
Measurement of 5 eV atomic oxygen using carbon based films: preliminary results
... great detail here [6]. The basic principle consists of dissociating molecular oxygen, which is pulsed though a polytetrafluo- roethylene (PTFE) valve into a copper nozzle, by use of a high-powered laser. The ...
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Controlled production of atomic oxygen and nitrogen in a pulsed radio-frequency atmospheric-pressure plasma
... of atomic oxygen and nitrogen increase linearly with respect to pulse duty cycle, which is consistent with linear increases in the time-averaged power and neutral-gas ...of atomic oxygen and ...
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Use of O 2airglow for calibrating direct atomic oxygen measurements from sounding rockets
... For most rocket-borne measurements also aerodynamic ef- fects have to be considered very carefully. An exception is the accurate but complex and expensive cryo-cooled mass spectrometer that avoids aerodynamical effects ...
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Measurement of atomic oxygen in the middle atmosphere using solid electrolyte sensors and catalytic probes
... of atomic oxygen den- sities aboard sounding rockets and satellites can be found in Osborne et ...of atomic oxygen to the atmospheric heating, the project WADIS (WAve propaga- tion and ...
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Control of a two dimensional electron gas on SrTiO3 (111) by atomic oxygen
... to atomic oxygen and UV ...with atomic oxygen, consistent with the filling of all oxygen vacancies, and recovers as the surface is irradiated ...to atomic oxygen. ...
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Controlled production of atomic oxygen and nitrogen in a pulsed radio-frequency atmospheric-pressure plasma
... Low-voltage (∼hundreds of Volts) radio-frequency (rf, ∼tens of MHz) APPJs are typically operated with a feed gas of helium (selected to minimise thermal instabilities through its relatively high thermal conductivity) ...
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Atomic oxygen and hydroxyl density measurements in an atmospheric pressure RF-plasma with water admixtures using UV and synchrotron VUV absorption spectroscopy
... reactive oxygen species (ROS), which play an important role in many medical therapeutics ...reactive atomic oxygen (O) and hydroxyl radicals (OH) is of great interest, since they serve as precursors ...
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Auroral molecular emission effects on the atomic oxygen line at 777 4 nm
... The atomic oxygen line at 777.4 nm, which is denoted as OI (777.4), is embedded in the N2 1PG (2,0) band in the spectrum. In exploring the possibility of captur- ing signatures of soft-electron ...
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Energy resolved actinometry for simultaneous measurement of atomic oxygen densities and local mean electron energies in radio-frequency driven plasmas
... (Received 30 October 2014; accepted 25 November 2014; published online 11 December 2014) A diagnostic method for the simultaneous determination of atomic oxygen densities and mean electron energies is ...
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Atomic oxygen retrievals in the MLT region from SCIAMACHY nightglow limb measurements
... of atomic oxygen concentration ([O]) profiles (McDade et ...of atomic oxygen density and nightglow emission rate profiles were provided by the Energy Transfer in the Oxygen Nightglow ...
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Passive and Active Oxidation of Si(100) by Atomic Oxygen: A Theoretical Study of Possible Reaction Mechanisms
... The O adsorption and SiO desorption (key steps in passive and active oxidation, respectively) reactions on Si(100) by atomic oxygen were studied using multireference wave functions in combination with a ...
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Development of carbon based atomic oxygen sensors
... to atomic oxygen appeared repeatable over each orbit but small disturbances are observed and associated with solar heating effects that are not removed from the ...
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Metastable fragment production following electron impact on small molecules and atomic oxygen
... Figure 5.5: Released Kinetic Energy distributions of CH3OH transferred from Time- of-Flight spectra in figure 5.3 at various incident electron energies.. indicated.[r] ...
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Atomic oxygen resitant zirconium containing polyimides
... chemical structure of Dupont's polyimide Kapton Figure 2.3 of Zracac4a and 10% Zracac4/PI of mass of pure polyimide Figure 2.4 X-ray diffraction mol/mol and spectrum of 10% ZracacVPI bef[r] ...
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A study of semiconductor based atomic oxygen sensors for ground and satellite applications
... 1.4 THESIS LAYOUT The following chapter of this work 2 discusses the formation of thermospheric AO, its effects on spacecraft materials, and the ground-based equipment used to simulate t[r] ...
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Plasma Assisted Chemical Vapor Deposition of Titanium Oxide Layer at Room Temperature
... that atomic oxygen radicals supplied from oxygen re- mote-plasma enhance the dissociation of TTIP and the dissociation energy is decreased to ...
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Analysis of excitation of the 630 0 nm airglow during a heating experiment in Troms on February 16, 1999
... During ionospheric disturbances induced by powerful electromagnetic waves transmitted from the ground, enhanced airglow may be formed. Such artificial airglow has been clearly observed on many occasions at middle ...
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Retrieval of O 21 and O 21 volume emission rates in the mesosphere and lower thermosphere using SCIAMACHY MLT limb scans
... sis in agreement with our observation that the peak maxima correlate with the maximum intensity of solar radiance. The contribution of the O + O reaction generally is smaller by 1 to 3 orders of magnitude than the ...
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The role of thermal energy accommodation and atomic recombination probabilities in low pressure oxygen plasmas
... molecular oxygen, via reactions R18 – R23 in table 1, produ- cing two oxygen atoms with a total of ...of oxygen atoms under the low pressure conditions considered here is suf fi ciently long that ...
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The effect of common gases on nucleation of metal islands: The role of oxygen in Ag(100) homoepitaxy
... the oxygen-free surface to ...containing atomic oxygen diffuse freely across terraces and steps at this temperature and on the time scale of ...
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