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Browsing Theses and Dissertations - Department of Physics & Astronomy by Issue Date

Browsing Theses and Dissertations - Department of Physics & Astronomy by Issue Date

Now showing items 1-20 of 88

First observation of 7Be solar neutrinos with KamLAND

Keefer, Gregory John (University of Alabama Libraries, 2009)

The international KamLAND collaboration operates a 1 kton liquid scintillation detector in the Kamioka mine in Gifu, Japan. KamLAND's main scientific results are the precision measurement of the solar Δm²₁₂ = 7.58 <super>+ ...
Interfacial interactions of FeCo/Pd and FeCo/Ru multilayers

Walock, Michael James (University of Alabama Libraries, 2009)

The FeCo system of alloys is perched atop the Slater-Pauling curve. As a result of this and its relatively low cost and ease of deposition, it is heavily used within the magnetic recording industry. However, new technology ...
Magnetic anisotropy graded media and Fe-Pt alloy thin films

Lu, Zhihong (University of Alabama Libraries, 2009)

Anisotropy graded media is promising to overcome the writability problem in achieving ultrahigh areal density for magnetic recording media. To more conveniently study and compare various media with regard to a particular ...
Neutrino-nucleus neutral current elastic interactions measurement in MiniBooNE

Perevalov, Denis (University of Alabama Libraries, 2010)

The MiniBooNE experiment at the Fermi National Accelerator Laboratory (Fermilab) was designed to search for electron to muon neutrino oscillations at Delta m^2~1 eV^2 using an intense neutrino flux with an average energy ...
Susy transitions in compact objects

Perevalova, Irina A. (University of Alabama Libraries, 2010)

From the very moment of discovery, gamma-ray bursts (GRB) became a very fascinating subject for study. Although this phenomena has been observed for four decades, the origin of such extraordinary events is yet to be ...
Bacterium E. coli- and phage P22-templated synthesis of semiconductor nanostructures

Shen, Liming (University of Alabama Libraries, 2010)

The properties of inorganic materials in the nanoscale are found to be size- and shape-dependent due to quantum confinement effects, and thereby nanomaterials possess properties very different from those of single molecules ...
Theory and practice of brine processing by industrial-scale magnetic ion polarization and optimization of personal-scale passive solar desalination

Wofsey, Michael Henry (University of Alabama Libraries, 2010)

In the first section of this work we hope to add to the science of brine management in desalination. We have undertaken a feasibility analysis of a method of brine processing where the ions in solution are transported by ...
Testing the Sersic bulge: black hole mass relation in Seyfert galaxies

May, Alana (University of Alabama Libraries, 2010)

Using a sample of Active Galactic Nuclei (AGN), we investigated the relationship between host galaxy and black hole mass using the Sérsic index. We performed two-dimensional (2-D) decompositions of high-resolution Hubble ...
Measuring ultraviolet extinction with GALEX in overlapping galaxies

Manning, Anna (University of Alabama Libraries, 2011)

Dust in spiral galaxies is an all encompassing factor in star formation history, measurements of luminosity, and galaxy dynamics. To learn more about galaxy formation and the influence of dust, White & Keel 1992 ...
Theoretical investigation of new magnetic recording media using an energy landscape method

Zhu, Ru (University of Alabama Libraries, 2011)

Magnetic material has played an important role in the information storage technology. We have worked out a phase diagram showing spin torque switching for perpendicular anisotropy media at nonzero temperature. A new area ...
Half-metallic CrO_2 thin films for spintronic applications

Pathak, Manjit (University of Alabama Libraries, 2011)

CrO_2 is a well-established half-metallic oxide with near perfect spin polarization - known to have the highest spin polarization among all known materials theoretically as well as experimentally. This means that the ...
Radiative symmetry breaking in the supersymmetric minimal B-L extended standard model

Burell, Zachary Michael (University of Alabama Libraries, 2011)

The Standard Model (SM) of particle physics is a precise model of electroweak interactions. However, there is evidence from neutrino physics and astrophysical cosmology which is at odds with the SM framework. It appears ...
Multiwavelength selection of obscured agn and contributions to the X-ray background

May, Branyon (University of Alabama Libraries, 2011)

Obscuration in AGN is a crucial component to understanding the observed spectrum of the X-ray Background. We tested numerous AGN selection techniques in X-ray, mid-infrared, and optical to test for multiwavelength correlations ...
Diffuse ionized regions in the vicinity of active galaxies

Darnell, Erin Kay (University of Alabama Libraries, 2011)

Using a sample of 39 Active Galactic Nuclei (AGN), we investigated the incidence of giant ionized clouds in the vicinity of active galaxies. We carried out remote observations of the sample using the Southeastern Association ...
A Monte Carlo approach to 7Be solar neutrino analysis with KamLAND

Grant, Christopher (University of Alabama Libraries, 2012)

Terrestrial measurements of neutrinos produced by the Sun have been of great interest for over half a century because of their ability to test the accuracy of solar models. The first solar neutrinos detected with KamLAND ...
The magnetic and chemical structural property of the epitaxially-grown multilayered thin film

Lee, Hwachol (University of Alabama Libraries, 2012)

L10 FePt- and Fe-related alloys such as FePtRh, FeRh and FeRhPd have been studied for the high magnetocrystalline anisotropy and magnetic phase transition property for the future application. In this work, the thin film ...
Theory based design and optimization of materials for spintronics applications

Xu, Tianyi (University of Alabama Libraries, 2012)

The Spintronics industry has developed rapidly in the past decade. Finding the right material is very important for Spintronics applications, which requires good understanding of the physics behind specific phenomena. In ...
Measuring the neutrino mixing angle theta-13 with the double chooz far detector

Ostrovskiy, Igor (University of Alabama Libraries, 2012)

The neutrino mixing angle theta-13 is the last one which value is still unknown. This dissertation presents an analysis suggesting a non-zero value of the theta-13. The analysis is based on four months of data taken with ...
Antineutrino neutral current interactions in MiniBooNE

Dharmapalan, Ranjan (University of Alabama Libraries, 2012)

The antineutrino nucleon neutral current elastic scattering cross section measured at the MiniBooNE experiment is reported. The data set corresponds to 10.1 × 10^20 protons on target which is a world record neutral current ...
Applications of methods beyond density functional theory to the study of correlated electron systems

Sims, Hunter Robert (University of Alabama Libraries, 2013)

The difficulty in accurately treating systems in which electron-electron interactions are the dominant physics has plagued condensed matter physics for decades. Currently, there exist many different computational techniques ...

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Browsing Theses and Dissertations - Department of Physics & Astronomy by Issue Date

Browsing Theses and Dissertations - Department of Physics & Astronomy by Issue Date

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