# Browse Dept. of Materials Science and Engineering by Title

• (1996)
The surface morphology of Ge(001) during etching by low energy ions is characterized using scanning tunneling microscopy. The surfaces are bombarded by 240 eV xenon ions at various temperatures and exposure times. A well ...

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• (1999)
A preliminary two-dimensional cellular automaton model of defect distribution was proposed based on space charge neutrality considerations. It used only pairwise nearest-neighbor interactions and neglected the elastic ...

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• (2013-02-03)
In this thesis, we studied two soft condensed matter systems. The first part of the thesis studied the glassy viscoelasticity of dense suspensions of soft colloids and the second part of the thesis studied the structure ...

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• (1996)
Many reports exist in the literature which indicate that BaTiO$\sb3,$ when prepared as a powder with small particle size $({<}1\mu$m) or as a polycrystalline ceramic with small grain size, displays dramatic deviations in ...

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• (1998)
This thesis involves film growth and characterization, aerosol and gas flow dynamics, ion beam optics, and the production of nanoclusters and their magnetic behavior. Films are grown by simultaneous deposition of ionized ...

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• (2015-07-07)
Photovoltaics (solar cells) are a key player in the renewable energy frontier, and will become increasingly important as their cost per watt continues to drop, especially if fossil fuel costs increase. One particularly ...

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• (1989)
A study has been conducted to investigate and compare the growth, strain, defects, electrical and optical properties of GaAs layers grown simultaneously on silicon-on-sapphire (SOS) and Si substrates using a two-step ...

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• (1995)
We deposited amorphous hydrogenated silicon-carbon (a-Si$\rm\sb{1-x}C\sb{x}$:H) alloy films by dc reactive magnetron sputtering (RMS) of a silicon target in a plasma of (Ar + H$\rm\sb2$ + CH$\sb4).$ Films with optical ...

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• (2014-05-30)
The main objectives of this dissertation are: (1) developing a method to study the in situ growth dynamics of the interfacial polymerization of polyamide for thin-film composite reverse osmosis membranes using diffuse ...

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• (1998)
Mg-doped GaN films grown at different temperatures are investigated. It is found that the growth conditions to achieve p-type films are closely related to those for undoped films since p-type conductivity is obtained only ...

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• (1994)
The growth rate R of Si(001), Ge(001), and $\rm Si\sb{1-x}Ge\sb{x}(001)$ films deposited on Si(001)2 $\times$ 1 substrates from $\rm Si\sb2H\sb6$ and $\rm Ge\sb2H\sb6$ by gas-source molecular-beam epitaxy (GS-MBE) were ...

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• (1997)
Single-crystal metastable diamond-structure $\rm Ge\sb{1-x}Sn\sb{x}$/Ge strained-layer superlattices (SLS) with x up to 0.24 (the equilibrium solid solubility of Sn in Ge is $<$0.01) were also grown on Ge(001)2x1 substrates ...

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• (2007)
Mullite whiskers were prepared by HF leaching and templated into polycrystalline mullite fibers by extrusion. Textured growth of mullite fibers with elongated grains, aligned along the long-axis of the fibers, was achieved ...

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• (1998)
For the growth of n-type films, a specific ammonia flow rate (or V/III ratio if Ga flux is fixed) was required to obtain films with high electron Hall mobility. X-ray diffraction (XRD), photoluminescence (PL), cross-sectional ...

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• (2011-01-14)
The B1-NaCl structure group IVB transition metal (TM) nitrides are well known to have a remarkable range of unique physical properties and thus find their place in a variety of applications including hard wear-resistant ...

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• (1989)
Incorporation of hydrogen transforms pure amorphous silicon into a high quality electronic material through the passivation of unterminated silicon bonds in the amorphous silicon network. To date, most high quality ...

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• (2014-05-30)
Complex perovskite oxides have been studied extensively over the past few decades due to their wide range of functional properties and relative ease of epitaxial synthesis. These two factors have allowed such oxide systems ...

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• (2009)
This dissertation addresses the design, fabrication and characterization of planar photonic crystals that employ the guided-mode resonance effect for sensing and detection applications. A theoretical basis for these ...

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• (2013-08-22)
The demand for pathways to fabricate and methodologies to understand 3D structures with advanced functionalities has increased significantly over the last years. Materials exhibiting three-dimensional structure with ...

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• (1998)
Based on all the above results, the growth kinetics of B doped Si 1-xGex(001) GS-MBE were modeled. Film deposition rates RSiGe decrease by ≈50% with increasing CB ≥ 5 x 1019 cm-3 at Ts = 500°C. The TPD results ...

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