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Displaying 5776 - 5800 of 13218

Planar Laser-Induced Fluorescence of CF 2 in O 2 /CF 4 and O 2 /C 2 F 6 Chamber-Cleaning Plasmas: Spatial Uniformity and Comparison to Electrical Measurements

March 1, 1999
Author(s)
Kristen L. Steffens, Mark A. Sobolewski
… of CF 2 density as an indicator of chemical uniformity in 92% CF 4 /O 2 and 50% C 2 F 6 /O 2 chamber-cleansing … current, voltage and power. All measurements were made in a Gaseous Electronics Conference Reference Cell, a … important spatial effects which should be included in computer simulations. …

Char Enhancing Approaches to Flame Retarding Polymers

January 1, 1999
Author(s)
Jeffrey W. Gilman, Takashi Kashiwagi, Richard H. Harris Jr., S M. Lomakin, J D. Lichtenhan, A. Bolf, P. Jones
… pyrolysis fragments, or fuel, available for burning in the gas phase; this in turn reduces the amount of heat released and fed back to … products. The physical structure of the char is important in this role. Thick, foamy char appears to be more fire … Chemistry and Technology of Polymer Additives …

Doping Effects and Reversibility Studies on Gas-Exposed alpha-Sexithiophene Thin Films

December 25, 1998
Author(s)
C Kendrick, Stephen Semancik
… both polymeric and small molcule organics are being used in the fabrication of LEDs, transistors, and … semiconductors for application to chemical gas sensing. In this study, the electronic effects produced by controlled … Incremental exposures of [alpha]6T to NO 2 , O 2 , NH 3 in N 2 , and water vapor in N 2 were performed in ultra-high …

High Efficiency, Dual Collection Mode Near-Field Scanning Optical Microscope

July 1, 1998
Author(s)
Stephan J. Stranick, Lee J. Richter, Richard R. Cavanagh
… concurrently recording a topograph of the sample surface. In this microscope design, an ellipsoidal cavity is used to … The near-field optical microscope configuration described in this paper allows for the efficient, symmetric collection … Journal of Vacuum Science and Technology B …

Noise reduction in optical in situ measurements for molecular beam epitaxy by substrate wobble normalization

June 1, 1998
Author(s)
Kristine A. Bertness, Robert K. Hickernell, S. P. Hays, David H. Christensen
… method for removing noise introduced into optical in situ measurements by sample rotation wobble during … optical reflection data and atomic absorption measurements in which the flux-monitor light beam is reflected from the sample to allow determination of layer thickness in addition to atomic flux. Noise reductions by factors of 3 …

Fabrication and Domain Imaging of Iron Magnetic Nanowire Arrays

May 1, 1998
Author(s)
D Tulchinsky, Michael H. Kelley, Jabez J. McClelland, R Gupta, Robert Celotta
… surface, produced by chromium atoms laser-focused in a one-dimensional standing wave, as a shadow mask for an … Journal of Vacuum Science and Technology A …

Anisotropic Microstructure Development During the Reaction of Mg With GaAs

February 18, 1998
Author(s)
Steven W. Robey
… (3D) heteroepitaxial microstructure was studied using in situ electron diffraction and Auger spectroscopy and ex … islands from which elongated, tapered ridges extend in on direction along [110]. Analysis of AFM images and size … Journal of Vacuum Science and Technology B …

Comparison of Electron Density Measurements in Planar Inductively Coupled Plasmas by Means of the Plasma Oscillation Method and Lanqmuir Probes

January 1, 1998
Author(s)
A Schwabedissen, Eric C. Benck, J R. Roberts
… The absolute, spatially resolved electron densities in planar inductively coupled plasmas have been measured by … the plasma oscillation method and Langmuir probes. In the plasma oscillation method a weak electron beam … RF Reference Cell . The results for both methods in electropositive, pure rare gas and molecular gas …
Displaying 5776 - 5800 of 13218
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