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Articles 121 - 150 of 343
Full-Text Articles in Entire DC Network
Central Florida Future, Vol. 40 No. 20, February 22, 2008
Central Florida Future, Vol. 40 No. 20, February 22, 2008
Central Florida Future
12,000 students pick the winner; Center looks to sun for answers; Giery, Smith lose '08 SGA election; Berkowitz, Delanois win.
Central Florida Future, Vol. 40 No. 14, February 8, 2008
Central Florida Future, Vol. 40 No. 14, February 8, 2008
Central Florida Future
Medical school gets accreditation; Charges follow home invasion; Both candidates chocking up violations; SGA election debate; Students' integrity questioned.
Central Florida Future, Vol. 40 No. 02, January 9, 2008
Central Florida Future, Vol. 40 No. 02, January 9, 2008
Central Florida Future
(Running) back draft; Students robbed: 1 pistol-whipped; Institute signs 5-year deal with med school; SGA supports workers' union.
The Caspian Sea Region's Key Position In The Rise Of Militant Islam, Graham Cage
The Caspian Sea Region's Key Position In The Rise Of Militant Islam, Graham Cage
Electronic Theses and Dissertations
Researchers and policy experts point to key issues and groups such as the Palestinian/Arab Israeli Conflict, the Muslim Brotherhood in Egypt, Saudi exported Wahhabism, and, in more recent times, the Iraq wars as being the source of militant Islam in this day in age. However, this perspective ignores key issues and ideals in to how this new form of Islam has emerged in recent decades. For instance, with all the conflicts that have occurred in recent decades, except for the 1979 Revolution in Iran, why have they not yielded Shari'a inspired Islamic states in Yemen, Lebanon, the Occupied Territories and …
Electron Beam Induced Current Profiling Of Zno P-N Homojunctions, L. Chernyak, C. Schwarz, E. S. Flitsiyan, S. Chu, J. L. Liu, K. Gartsman
Electron Beam Induced Current Profiling Of Zno P-N Homojunctions, L. Chernyak, C. Schwarz, E. S. Flitsiyan, S. Chu, J. L. Liu, K. Gartsman
Faculty Bibliography 2000s
Variable temperature electron beam induced current technique was employed for the profiling of ZnO p-n homojunctions and the extraction of minority electron diffusion length values in the Sb-doped p-type ZnO region. A thermally induced increase for diffusion length of minority electrons was determined to have an activation energy of similar to 145 meV. The latter parameter likely represents carrier delocalization energy and determines the increase of the diffusion length due to the reduction in recombination efficiency. (c) 2008 American Institute of Physics.
Free-Space Optical System Performance For Laser Beam Propagation Through Non-Kolmogorov Turbulence, Italo Toselli, Larry C. Andrews, Ronald L. Phillips, Valter Ferrero
Free-Space Optical System Performance For Laser Beam Propagation Through Non-Kolmogorov Turbulence, Italo Toselli, Larry C. Andrews, Ronald L. Phillips, Valter Ferrero
Faculty Bibliography 2000s
It is well know that free-space laser system performance is limited by atmospheric turbulence. Most theoretical treatments have been described for many years by Kolmogorov's power spectral density model because of its simplicity. Unfortunately, several experiments have been reported recently that show that the Kolmogorov theory is sometimes incomplete to describe atmospheric statistics properly, in particular, in portions of the troposphere and stratosphere. We present a non-Kolmogorov power spectrum that uses a generalized exponent instead of constant standard exponent value 11/3, and a generalized amplitude factor instead of constant value 0.033. Using this new spectrum in weak turbulence, we carry …
The Disparity Of Military Power Between The United States, Europe And Its Effect On Transtalantic Defense Project Cooperation, John-Michael Johnson
The Disparity Of Military Power Between The United States, Europe And Its Effect On Transtalantic Defense Project Cooperation, John-Michael Johnson
Electronic Theses and Dissertations
This study investigated what determines successful transatlantic defense policy cooperation and how that cooperation can reduce the military capability gap between the United States and its European NATO allies. It examines the differing defense policies and defense capabilities between the United States and its European NATO allies. Several theories in International Relations were also used as a foundation for the argument that cooperation is needed. The approach to defense policy is very different between the United States and Europe. The strategic vision of the world of both parties differs as well. Policy, doctrine and defense projects are all taken into …
What Makes Them Click? Applying The Rational Choice Perspective To The Hacking Underground, Michael Bachmann
What Makes Them Click? Applying The Rational Choice Perspective To The Hacking Underground, Michael Bachmann
Electronic Theses and Dissertations
The increasing dependence of modern societies, industries, and individuals on information technology and computer networks renders them ever more vulnerable to attacks on critical IT infrastructures. While the societal threat posed by hackers and other types of cyber-criminals has been growing significantly in the last decade, main-stream criminology has only recently begun to realize the significance of this threat. Cyber-criminology is slowly emerging as a subfield of criminological study and has yet to overcome many of the problems other areas of criminological research have already mastered. Aside from substantial methodological and theoretical problems, cyber-criminology currently also suffers from the scarcity …
Central Florida Future, Vol. 39 No. 146, December 5, 2007
Central Florida Future, Vol. 39 No. 146, December 5, 2007
Central Florida Future
Dancing the part; Robbers land safe worth $11,000; Second pharmacy to open by towers; ATO raises $20K in cash, toys at concert.
Tobacco Chloroplast Transformation Vectors Comprising A Multi-Gene Operon Encoding A Biopharmaceutical Protein And A Chaperonin (Us), Henry Daniell, William Moar
Tobacco Chloroplast Transformation Vectors Comprising A Multi-Gene Operon Encoding A Biopharmaceutical Protein And A Chaperonin (Us), Henry Daniell, William Moar
UCF Patents
The subject invention relates in part to tobacco chloroplast transformation vectors comprising a multi-gene operon that generates a polycistron that encodes a biopharmaceutical protein and a chaperonin.
Central Florida Future, Vol. 39 No. 137, November 9, 2007
Central Florida Future, Vol. 39 No. 137, November 9, 2007
Central Florida Future
The road ahead; Students express concerns at forum; Fate of Greek housing is cloudy; Taking aim at the issues; Man pleads not guilty in shootings.
Central Florida Future, Vol. 39 No. 127, October 17, 2007
Central Florida Future, Vol. 39 No. 127, October 17, 2007
Central Florida Future
A bite out of rhyme; Student arrested on drug charges; UCF wants more police after V. Tech; Taking a giant leap.
Central Florida Future, Vol. 39 No. 108, August 29, 2007
Central Florida Future, Vol. 39 No. 108, August 29, 2007
Central Florida Future
Student Union turns a perfect 10; UCF up a tier in college ranking; Physics on the silver screen; SGA aids fraternity recruitment.
Central Florida Future, Vol. 39 No. 106, August 24, 2007
Central Florida Future, Vol. 39 No. 106, August 24, 2007
Central Florida Future
Against all odds, this film student is living his dream; UCF PD receives a new GMC; E-books not as cheap as they appear; Late Knights ready to rock; Murder close to campus.
Central Florida Future, Vol. 39 No. 96, June 18, 2007
Central Florida Future, Vol. 39 No. 96, June 18, 2007
Central Florida Future
UCF plans $40k scholarship for med school; Helping hands; Tower IV residents have fire scare 9 hours after Tivoli; Group gunning for NRA approval; Soldiers mentor future scholars.
Central Florida Future, Vol. 39 No. 92, May 21, 2007
Central Florida Future, Vol. 39 No. 92, May 21, 2007
Central Florida Future
UCF student dies in tragic car crash; OFNB rallies against mayor; The adventure ends; Residents agree on bridge plans; Video of potential suspect released.
Central Florida Future, Vol. 39 No. 91, May 14, 2007
Central Florida Future, Vol. 39 No. 91, May 14, 2007
Central Florida Future
Officials say UCF is secure from wildfire threat; Triumph and troubles down the river wild; Police stop group from feeding the homeless; Students' mental health a concern; Low tuition costs in Fla. may increase by 5 percent.
Central Florida Future, Vol. 39 No. 89, April 27, 2007
Central Florida Future, Vol. 39 No. 89, April 27, 2007
Central Florida Future
One AK-47, 54 bullets; Discovering cause of death a small solace for mother; Artistic expressions of support and grief; GLBSU hosts '07 gay prom.
Sandspur, Vol 113, No 22, March 26, 2007, Rollins College
Sandspur, Vol 113, No 22, March 26, 2007, Rollins College
The Rollins Sandspur
Rollins College student newspaper, written by the students and published at Rollins College. The Sandspur started as a literary journal.
Central Florida Future, Vol. 39 No. 70, March 7, 2007
Central Florida Future, Vol. 39 No. 70, March 7, 2007
Central Florida Future
No abstract provided.
Central Florida Future, Vol. 39 No. 67, February 28, 2007
Central Florida Future, Vol. 39 No. 67, February 28, 2007
Central Florida Future
No abstract provided.
Central Florida Future, Vol. 39 No. 63, February 19, 2007
Central Florida Future, Vol. 39 No. 63, February 19, 2007
Central Florida Future
No abstract provided.
Central Florida Future, Vol. 39 No. 48, January 12, 2007
Central Florida Future, Vol. 39 No. 48, January 12, 2007
Central Florida Future
No abstract provided.
Electron Irradiation-Induced Increase Of Minority Carrier Diffusion Length, Mobility, And Lifetime In Mg-Doped Aln/Algan Short Period Superlattice, O. Lopatiuk-Tirpak, L. Chernyak, B. A. Borisov, V. V. Kuryatkov, S. A. Nikishin, K. Gartsman
Electron Irradiation-Induced Increase Of Minority Carrier Diffusion Length, Mobility, And Lifetime In Mg-Doped Aln/Algan Short Period Superlattice, O. Lopatiuk-Tirpak, L. Chernyak, B. A. Borisov, V. V. Kuryatkov, S. A. Nikishin, K. Gartsman
Faculty Bibliography 2000s
Minority carrier diffusion length in a p-type Mg-doped AlN/Al(0.08)Ga(0.92)N short period superlattice was shown to undergo a multifold and persistent (for at least 1 week) increase under continuous irradiation by low-energy beam of a scanning electron microscope. Since neither the diffusion length itself nor the rate of its increase exhibited any measurable temperature dependence, it is concluded that this phenomenon is attributable to the increase in mobility of minority electrons in the two-dimensional electron gas, which in turn is limited by defect scattering. Cathodoluminescence spectroscopy revealed similar to 40% growth of carrier lifetime under irradiation with an activation energy of …
Cathodoluminescence Studies Of Carrier Concentration Dependence For The Electron-Irradiation Effects In P-Gan, O. Lopatiuk-Tirpak, L. Chernyak, Y. L. Wang, F. Ren, S. J. Pearton, K. Gartsman, Y. Feldman
Cathodoluminescence Studies Of Carrier Concentration Dependence For The Electron-Irradiation Effects In P-Gan, O. Lopatiuk-Tirpak, L. Chernyak, Y. L. Wang, F. Ren, S. J. Pearton, K. Gartsman, Y. Feldman
Faculty Bibliography 2000s
Electron-irradiation increase of nonequilibrium carrier lifetime was studied as a function of hole concentration in Mg-doped GaN. Temperature-dependent cathodoluminescence (CL) studies yielded activation energies of 344, 326, 237, and 197 meV for samples with hole concentrations of 2x10(16), 9x10(16), 3x10(18), and 7x10(18) cm(-3), respectively. The systematic decay of activation energy with carrier concentration was found to be consistent with Mg acceptors, indicating the involvement of the latter levels in irradiation-induced lifetime changes.
Doping Level Dependence Of Electron Irradiation-Induced Minority Carrier Diffusion Length Increase In Mg-Doped Gan, O. Lopatiuk-Tirpak, L. Chernyak, Y. L. Wang, F. Ren, S. J. Pearton, K. Gartsman
Doping Level Dependence Of Electron Irradiation-Induced Minority Carrier Diffusion Length Increase In Mg-Doped Gan, O. Lopatiuk-Tirpak, L. Chernyak, Y. L. Wang, F. Ren, S. J. Pearton, K. Gartsman
Faculty Bibliography 2000s
The electron irradiation-induced increase of minority carrier diffusion length was studied as a function of hole concentration in Mg-doped GaN. Variable-temperature electron beam induced current measurements yielded activation energies of 264, 254, 171, and 144 meV for samples with hole concentrations of 2x10(16), 9x10(16), 3x10(18), and 7x10(18) cm(-3), respectively. This carrier concentration dependence of the activation energy for the effects of electron irradiation was found to be consistent with Mg acceptors, indicating the involvement of the latter levels in the irradiation-induced diffusion length increase.
Influence Of Electron Injection On The Temporal Response Of Zno Homojunction Photodiodes, O. Lopatiuk-Tirpak, G. Nootz, E. Flitsiyan, L. Chernyak, L. J. Mandalapu, Z. Yang, J. L. Liu, K. Gartsman, A. Osinsky
Influence Of Electron Injection On The Temporal Response Of Zno Homojunction Photodiodes, O. Lopatiuk-Tirpak, G. Nootz, E. Flitsiyan, L. Chernyak, L. J. Mandalapu, Z. Yang, J. L. Liu, K. Gartsman, A. Osinsky
Faculty Bibliography 2000s
The effects of solid-state electron injection on the peak amplitude and decay time of photosignal in a ZnO-based homojunction UV photodiode were studied using temporal photoresponse measurements under femtosecond pulses of 355 nm radiation. The injection of about 50 C of charge, carried out by applying forward bias to the junction, resulted in a nearly twofold increase of the peak photoresponse and a corresponding increase of the decay constant. Both observations are shown to be a consequence of electron trapping. The long-term stability of the induced changes is also discussed.
Analysis Of Beam Wander Effects For A Horizontal-Path Propagating Gaussian-Beam Wave: Focused Beam Case, Jaume Recolons, Larry C. Andrews, Ronald L. Phillips
Analysis Of Beam Wander Effects For A Horizontal-Path Propagating Gaussian-Beam Wave: Focused Beam Case, Jaume Recolons, Larry C. Andrews, Ronald L. Phillips
Faculty Bibliography 2000s
Failure of the first-order Rytov approximation to properly predict the scintillation index of a large-aperture focused beam, or an uplink collimated (or focused) beam, has been discussed in several recent publications, which cite beam wander effects as the main reason for this failure. We use computer simulations to examine several aspects of beam wander phenomena on a propagating convergent beam in the weak-fluctuation regime over a horizontal path at high altitude for which the refractive index structure parameter is on the order of C-n(2)= 1.39 x 10(-16) m(-2/3). Simulation results are presented at various ranges up to 10 km for …
A Novel Setup For High-Pressure Raman Spectroscopy Under A Microscope, Thomas Andrew Oakeson
A Novel Setup For High-Pressure Raman Spectroscopy Under A Microscope, Thomas Andrew Oakeson
Electronic Theses and Dissertations
Functional properties of biological molecules and cells are affected by environmental parameters such as temperature and pressure. While Raman spectroscopy provides an intrinsic probe of molecular structural changes, the incorporation of a microscope enables studies of minuscule amounts of biological compounds with spatial resolution on a micron scale. We have developed a novel setup which combines a Raman microscope and a high pressure cell. A micro-capillary made out of fused silica simultaneously serves as the supporting body and the optical window of the pressure cell. The cell has been tested over the pressure range from 0.1 to 4 kbar. Raman …
Soft Power And Hard Power Approaches In U.S. Foreign Policy: A Case Study Comparison In Latin America, John Weinbrenner
Soft Power And Hard Power Approaches In U.S. Foreign Policy: A Case Study Comparison In Latin America, John Weinbrenner
Electronic Theses and Dissertations
The purpose of this study was to examine the effects of soft power versus hard power in U.S. policy towards Latin America. In recent years America's unipolar moment has been challenged from populist leaders in the region to its inability to get a handle on the flow of illegal immigrants and illicit drugs that reach its shores. This thesis is a step to understanding the difference between power and influence as well as the effects of hard power and soft power in U.S. foreign policy. A historical comparative case study analysis has been conducted utilizing the cases of FDR's Good …