# Browse Dissertations and Theses - Nuclear, Plasma, and Radiological Engineering by Title

• (2001)
Results suggest that preferential sputtering of deuterium atoms over lithium atoms in D-treated samples significantly decrease the absolute sputtering yield of lithium by at least 60% in the case of He+ bombardment. The ...

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• (1981)

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• (1987)
In a well-defined experimental system the neutralization of polonium-218 ions was investigated as a function of the physical and chemical properties of the controlled composition atmosphere. The mobilities of ${\rm Po}\sp+$ ...

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• (2015-11-10)
The effect of helium in iron is an important issue in nuclear systems, as iron and iron alloys (steels) are the primary materials used for structural elements. Helium is known to cause embrittlement and decrease fatigue ...

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• (2002)

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PDF (131MB)
• (1990)
Energy spectra of charged-fusion products escaping laser-imploded deuterium-tritium filled glass microballoon targets were measured with a time-of-flight (TOF) spectrometer. The TOF spectrometer was carefully designed, ...

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• (2004)
Evidence of significant dislocation formation has been confirmed with high-resolution electron microscopy (HREM) for the 1200A Nb film. The HREM images were used to estimate a dislocation density of 1012 cm-2 after repeated ...

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• (1984)

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PDF (99MB)
• (1994)
Finite difference techniques are used to solve a variety of differential equations. For the neutron diffusion equation, the typical local truncation error for standard finite difference approximation is on the order of the ...

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• (1994)

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PDF (99MB)
• (1996)

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• (1987)
Linear and nonlinear stability analyses of density-wave oscillations in uniformly and non-uniformly heated channels are reported. The two-phase flow is represented by the drift flux model. A constant characteristic velocity ...

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• (2016-12-01)
High Power Impulse Magnetron Sputtering (HiPIMS) or High Power Pulsed Magnetron Sputtering (HPPMS) is a magnetron sputtering method that has proven to be a promising ionized physical vapor deposition (PVD) technique, with ...

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• (1983)

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PDF (42MB)
• (2007)
The simultaneous process of deposition, evaporation, and sputtering of lithium was modeled and corroborated with experimental observations such that no net deposition on the collector optic was measured and showed the model ...

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• (1980)
Coarse mesh numerical methods, based on the use of a local Green's function, are developed and applied to the numerical solution of heat conduction and incompressible fluid flow problems. In the solution of heat conduction ...

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• (1993)

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PDF (43MB)
• (1991)

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PDF (38MB)
• (1997)
The phenomenon of ion-induced sputtering is integral to many applications. In magnetically confined fusion this sputtering is important for both the lifetime of plasma facing components as well as contamination of the ...

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• (1993)

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PDF (61MB)