Resource Type
Degree Department
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Beyond DVFS: A First Look at Performance Under a Hardware-Enforced Power Bound
None
Date:
March 5, 2012
Creator:
Rountree, B. R.; Ahn, D. H.; de Supinski, B. R.; Lowenthal, D. K. & Schulz, M.
System:
The UNT Digital Library
Extreme Star Formation in the Host Galaxies of the Fastest Growing Supermassive Black Holes at z = 4.8
This article reports new Herschel observations of extremely luminous optically selected active galactic nuclei.
Date:
March 5, 2012
Creator:
Mor, Rivay; Netzer, Hagai; Trakhtenbrot, Benny; Shemmer, Ohad & Lira, Paulina
System:
The UNT Digital Library
A Grid-based Binary Model for Coulomb Collisions in Plasmas
None
Date:
March 5, 2012
Creator:
Cohen, B I; Dimits, A M & Strozzi, D J
System:
The UNT Digital Library
A Hierarchical Approach for Load Balancing on Parallel Multi-core Systems
None
Date:
March 5, 2012
Creator:
Pilla, L L; Ribeiro, C P; Cordeiro, D; Mei, C; Bhatele, A; Navaux, P A et al.
System:
The UNT Digital Library
Source fabrication and lifetime for Li+ ion beams extracted from alumino-silicate sources
A space-charge-limited beam with current densities (J) exceeding 1 mA/cm{sup 2} have been measured from lithium alumino-silicate ion sources at a temperature of #24;~1275#14;{degrees} C. At higher extraction voltages, the source appears to become emission limited with J #21;{>=} 1.5 mA/cm{sup 2}, and J increases weakly with the applied voltage. A 6.35 mm diameter source with an alumino-silicate coating, {<=}#20;0.25 mm thick, has a measured lifetime of ~#24;40 hours at ~#24;1275#14;{degrees} C, when pulsed at 0.05 Hz and with pulse length of #24;~6 &#956;s each. At this rate, the source lifetime was independent of the actual beam charge extracted due to the loss of neutral atoms at high temperature. The source lifetime increases with the amount of alumino-silicate coated on the emitting surface, and may also be further extended if the temperature is reduced between pulses.
Date:
March 5, 2012
Creator:
Roy, Prabir K.; Greenway, Wayne G. & Kwan, Joe W
System:
The UNT Digital Library
The suppression of magnetism and the development of superconductivity within the collapsed tetragonal phase of Ca0.67Sr0.33Fe2As2 at high pressure
None
Date:
March 5, 2012
Creator:
Jeffries, J R; Butch, N P; Kirshenbaum, K; Saha, S R; Weir, S T; Vohra, Y K et al.
System:
The UNT Digital Library