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Atomic ejection in the single crystal sputtering of nickel with 40-600 eV argon ions

Creator:: Leung, Yee Kit
Abstract:: A threestage, differentially pumped ion accelerator is used to produce low energy argon ions, which in turn, are used to bombard the surfaces of plane nickel single crystals. Nickel atoms ejected from the crystals are counted using the radioac tive tracing method. From the analysis of the angular distri butions...
Resource Type:: Dissertation
Full Text:: NICKEL WITH 40-600 eV ARGON IONS Abstract approved: Redacted for Privacy Jamett. Brady A threestage

Surface effects in photoemission from potassium

Creator:: Crouch, Keith Goodin
Resource Type:: Dissertation
Full Text:: Lang and Kohn's theory (Physical Review B 3:1215-1222. 1971). The results emphasize the importance of

Work function measurements of single crystal surfaces by the field emission retarding potential method

Creator:: Strayer, Richard Wesley
Resource Type:: Dissertation
Full Text:: METHOD Abstract approved: Cif '1 Dr. James J. Brady Redacted for privacy Using the field emission

Surface effects in photoemmission from sodium

Creator:: Whitefield, Rodney Joe
Abstract:: An investigation was made of the photoelectric emission from sodium and the alteration in the emission produced by sulfur deposited onto a sodium surface. Measurements were made at the temperature of liquid nitrogen for photon energies between 2.0 ev and 4.5 ev. The sodium was investigated in the form of...
Resource Type:: Dissertation
Full Text:: approved: ci Dr. James-'j. Brady An investigation was made of the photoelectric emission from sodium and

Photoelectric properties of evaporated antimony films as a function of film thickness

Creator:: Fahrenbruch, Alan L.
Resource Type:: Masters Thesis
Full Text:: \ `.. ACKNOWLEDGEMENT The author wishes to express his sincere appreciation to Dr. J. J. Brady who suggested the

The pressure effect and time resolution of helium molecular bands in a pulsed microwave plasma

Creator:: Anderson, M. F. (Merlin Frank), 1930-
Abstract:: The behavior of all of the observed molecular band emission as well as the prominent atomic line emission from a pulsed microwave helium plasma is given. Extensive efforts to purify the helium include the use of a uranium getter, a quartz diffusion tube, and a cataphoretic discharge. The plasma is...
Resource Type:: Dissertation
Full Text:: wishes to express thanks to Dr. Brady for the many discussions and suggestions during the course of

Temperature dependence of internal friction in silicon at low frequency

Creator:: Eliason, Jon Tate
Abstract:: This investigation represents a previously unreported method of measurement of internal friction in single crystals of silicon. The method consists of exciting a rectangular reed of silicon of uniform cross section into forced vibration at its resonant frequency. The end of the reed is silver plated and eddy currents induced...
Resource Type:: Masters Thesis
Full Text:: ,`_ , ACKNOWLEDGEMENTS I am very grateful and indebted to Dr. James J. Brady, who throughout the period of time of

Atomic ejection in the beam sputtering of nickel, by argon ions, in the threshold to 600 ev energy range

Creator:: Cuderman, Jerry Ferdinand
Abstract:: Using a low-energy, three stage, differentially pumped ion accelerator, similar to that used by Hagstrom for Auger electron ejection studies, permits, with the application of radiotracer methods, a new approach to the study of low energy sputtering. The experimental approach consisted of pumping down the experimental tube to 10⁻⁹ torr,...
Resource Type:: Dissertation
Full Text:: ) my major professor, Dr. James J. Brady for his encouragement and advice during the course of the

Spectral time-resolution of light from microwave discharges in helium

Creator:: Tynes, Arthur Richard
Abstract:: Temporal variations in individual spectrum lines emitted by a microwave discharge in pure helium are investigated: The discharge is produced in a quartz tube located inside of a section of waveguide which carries pulsed 3 centimeter microwaves. The helium used is purified by a three-fold process consisting of treatment with...
Resource Type:: Dissertation
Full Text:: efficiently. Finally the author wishes to express his deepest gratitude to Professor James. J. Brady, the

Activation energies for impurities in vanadium from measurements of internal friction

Creator:: Pradhan, Shanker Prasad
Abstract:: The capacity of a vibrating solid to convert its mechanical energy of vibration into heat is called internal friction. Its most common manifestation is the damping effect which causes loss in vibration amplitude of a freely vibrating solid. The damping is a result of the anelastic behaviour of materials. This...
Resource Type:: Dissertation
Full Text:: A (/ - " ACKNOWLEDGEMENTS I would like to express my appreciation to Dr. James J. Brady

ScholarsArchive@OSU

Atomic ejection in the single crystal sputtering of nickel with 40-600 eV argon ions

Surface effects in photoemission from potassium

Work function measurements of single crystal surfaces by the field emission retarding potential method

Surface effects in photoemmission from sodium

Photoelectric properties of evaporated antimony films as a function of film thickness

The pressure effect and time resolution of helium molecular bands in a pulsed microwave plasma

Temperature dependence of internal friction in silicon at low frequency

Atomic ejection in the beam sputtering of nickel, by argon ions, in the threshold to 600 ev energy range

Spectral time-resolution of light from microwave discharges in helium

Activation energies for impurities in vanadium from measurements of internal friction

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