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Origin of Room Temperature Broadband Light Emission and Carrier Dynamics in Ag Ion-Implanted Silicon Nanocrystals
This article studies the origin of broad band light emission in the ultraviolet to the red from silicon nanoparticles fabricated using a single low energy silver ion implantation.
Date:
April 2, 2012
Creator:
Singh, Akhilesh; Grycznski, Karol G. & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Simulation of an aperture-based antihydrogen gravity experiment
This article presents a Monte Carlo simulation of an experiment that could potentially determine whether antihydrogen accelerates vertically up or down as a result of earth's gravity.
Date:
March 21, 2012
Creator:
Ordonez, Carlos A. & Hedlof, R. M.
Object Type:
Article
System:
The UNT Digital Library
Cooperation-induced topological complexity: a promising road to fault tolerance and Hebbian learning
This article discusses cooperation-induced topological complexity and the emergence of intelligence.
Date:
March 16, 2012
Creator:
Turalska, Malgorzata; Geneston, Elvis L.; West, Bruce J.; Allegrini, Paolo & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Multiple coexisting intercalation structures of sodium in epitaxial graphene-SiC interfaces
This article discusses multiple coexisting intercalation structures of sodium in peitaxial graphene-SiC interfaces.
Date:
March 9, 2012
Creator:
Sandin, Andreas; Jayasekera, Thushari; Rowe, J. E.; Kim, Ki Wook; Buongiorno Nardelli, Marco & Dougherty, Daniel B.
Object Type:
Article
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
Object Type:
Article
System:
The UNT Digital Library
Electric Field Induced Phase Transitions in Polymers: A Novel Mechanism for High Speed Energy Storage
This article discusses electric field induced phase transitions in polymers.
Date:
February 23, 2012
Creator:
Ranjan, Vivek; Buongiorno Nardelli, Marco & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Symmetry-induced intermittency in a stochastic reflexive model
Article on symmetry-induced intermittency in a stochastic reflexive model.
Date:
February 21, 2012
Creator:
Palatella, Luigi & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Activation of water on the TiO2 (110) surface: The case of Ti adatoms
Article on the activation of water on the TiO2 (110) surface.
Date:
February 8, 2012
Creator:
Miao, Meng; Liu, Yingchun; Wang, Qi; Wu, Tao; Huang, Liping; Gubbins, Keith E. et al.
Object Type:
Article
System:
The UNT Digital Library
Unexpected Structures for Intercalation of Sodium in Epitaxial Graphene-SiC Interfaces
In this paper, the authors show using scanning tunneling microscopy, spectroscopy, and ab initio calculations that several intercalation structures exist for Na in epitaxial graphene on SiC(0001). Intercalation takes place at room temperature and Na electron-dopes the graphene. It intercalates in-between single-layer graphene and the carbon-rich interfacial layer. It also penetrates beneath the interfacial layer and decouples it to form a second graphene layer. This decoupling is accelerated by annealing and is verified by direct Na deposition onto the interface layer. The authors' observations show that intercalation in graphene is fundamentally different than in graphite and is a versatile means of electronic control.
Date:
February 2012
Creator:
Sandin, Andreas; Jayasekera, Thushari; Rowe, J. E.; Kim, Ki Wook; Buongiorno Nardelli, Marco & Dougherty, Daniel B.
Object Type:
Paper
System:
The UNT Digital Library
Variability-Selected Low-Luminosity Active Galactic Nuclei in the 4 Ms Chandra Deep Field-South
This article demonstrates that the observed variability cannot be explained by X-ray Binary populations or ultraluminous X-ray sources, so the variability is most likely caused by accretion onto a supermassive black hole.
Date:
January 18, 2012
Creator:
Young, Monica; Brandt, William Nielsen; Xue, Yongquan; Alexander, David M.; Bauer, Franz E.; Lehmer, Bret et al.
Object Type:
Article
System:
The UNT Digital Library