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A Population of X-Ray Weak Quasars: PHL 1811 Analogs at High Redshift
This article reports the results from Chandra and XMM-Newton observations of a sample of 10 type 1 quasars selected to have unusual UV emission-line properties similar to those of PHL 1811.
Date:
April 15, 2011
Creator:
Wu, Jianfeng; Brandt, William Nielsen; Hall, Patrick B.; Gibson, Robert R.; Richards, Gordon T.; Schneider, Donald P. et al.
Object Type:
Article
System:
The UNT Digital Library
The Chandra Deep Field-South Survey: 4 Ms Source Catalogs
This article presents source catalogs for the 4 Ms Chandra Deep Field-South.
Date:
May 24, 2011
Creator:
Xue, Yongquan; Luo, Bin; Brandt, William Nielsen; Bauer, Franz E.; Lehmer, Bret; Broos, Patrick et al.
Object Type:
Article
System:
The UNT Digital Library
Controlled terahertz frequency response and transparency of Josephson chains and superconducting multilayers
This article discusses controlled terahertz frequency response and transparency of Josephson chains and superconducting multilayers.
Date:
January 26, 2007
Creator:
Yampol'skii, V. A.; Savel'ev, Sergey; Usatenko, O. V.; Mel'nik, S. S.; Kusmartsev, F. V.; Krokhin, Arkadii A. et al.
Object Type:
Article
System:
The UNT Digital Library
Long-Term X-Ray Variability of Typical Active Galactic Nuclei in the Distant Universe
This article discusses the long-term (≈15 years, observed frame) X-ray variability analyses of the 68 brightest radio-quiet active galactic nuclei (AGNs) in the 6 Ms Chandra Deep Field-South survey.
Date:
November 3, 2016
Creator:
Yang, G.; Brandt, William Nielsen; Luo, Bin; Xue, Yongquan; Bauer, Franz E.; Sun, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Microwave absorption by an array of carbon nanotubes: A phenomenological model
Article discussing microwave absorption by an array of carbon nanotubes and a phenomenological model.
Date:
August 29, 2006
Creator:
Ye, Z.; Deering, William D.; Krokhin, Arkadii A. & Roberts, James A.
Object Type:
Article
System:
The UNT Digital Library
Locating Star-Forming Regions in Quasar Host Galaxies
This article presents a study of the morphology and intensity of star formation in the host galaxies of eight Palomar-Green quasars using observations with the Hubble Space Telescope.
Date:
November 5, 2013
Creator:
Young, Jason E.; Eracleous, Michael; Shemmer, Ohad; Netzer, Hagai; Gronwall, Caryl; Lutz, Dieter et al.
Object Type:
Article
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
Ion Beam Analysis of Microcrystalline Quartz Artifacts from the Reed Mound Site, Delaware County, Oklahoma
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings evaluates the potential of particle induced X-ray emission spectrometry as a tool for future Ozarks chert provenance studies based on its ability to facilitate discrimination of Ozarks chert materials from different geological formations and identification of discrete groups of artifacts from the same geological formation.
Date:
June 18, 2015
Creator:
Younger-Mertz, S. B.; Manuel, J. E.; Reinert, Tilo; Szilasi, S. Z.; Hammerstedt, S. W. & Glass, Gary A.
Object Type:
Article
System:
The UNT Digital Library
First-principles investigations of the dielectric properties of polypropylene/metal-oxide interfaces
Article on first-principles investigations of the dielectric properties of polypropylene/metal-oxide interfaces. Nanoscale-resolved dielectric properties of polypropylene/metal-oxide (alumina, PbTiO₃) interfaces and of the corresponding surfaces are investigated via first-principles calculations.
Date:
October 30, 2009
Creator:
Yu, Liping; Ranjan, Vivek; Buongiorno Nardelli, Marco & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Equivalence of dipole correction and Coulomb cutoff techniques in supercell calculations
Article on the equivalence of dipole correction and Coulomb cutoff techniques in supercell calculations. In this work, the authors compare the dipole correction and Coulomb cutoff methods under the same conditions in the framework of plane-wave based density-functional theory.
Date:
June 3, 2008
Creator:
Yu, Liping; Ranjan, Vivek; Lu, W.; Bernholc, Jerry & Buongiorno Nardelli, Marco
Object Type:
Article
System:
The UNT Digital Library
K-shell x-ray-production cross sections in 6C, 8O, 9F, 11Na, 12Mg, and 13Al, by 0.75- to 4.5-MeV protons
Article discussing K-shell x-ray-production cross sections in 6C, 8O, 9F, 11Na, 12Mg, and 13AI, by 0.75- to 4.5-MeV protons.
Date:
November 1, 1991
Creator:
Yu, Y. C.; McNeir, M. R.; Weathers, Duncan L.; Duggan, Jerome L.; McDaniel, Floyd Del. (Floyd Delbert), 1942- & Lapicki, Gregory
Object Type:
Article
System:
The UNT Digital Library
Charge-state dependence of M-shell x-ray production in 67Ho by 2-12-MeV carbon ions
Article discussing research on the charge-state dependence of M-shell x-ray production in 67Ho by 2-12-MeV carbon ions.
Date:
November 1995
Creator:
Yu, Y. C.; Sun, H. L.; Duggan, Jerome L.; McDaniel, Floyd Del. (Floyd Delbert), 1942-; Yin, J. Y. & Lapicki, Gregory
Object Type:
Article
System:
The UNT Digital Library
Femtosecond wave-packet dynamics in cesium dimers studied through controlled stimulated emission
Article on femtosecond wave-packet dynamics in cesium dimers studied through controlled stimulated emission.
Date:
May 12, 2010
Creator:
Yuan, Luqi; Ariunbold, Gombojav O.; Murawski, Robert K.; Pestov, Dmitry; Wang, Xi; Patnaik, Anil K. et al.
Object Type:
Article
System:
The UNT Digital Library
Tracking molecular wave packets in cesium dimers by coherent Raman scattering
Article discussing tracking molecular wave packets in cesium dimers by coherent Raman scattering.
Date:
August 31, 2012
Creator:
Yuan, Luqi; Murawski, Robert K.; Ariunbold, Gombojav O.; Zhi, Miaochan; Wang, Xi; Sautenkov, Vladimir A. et al.
Object Type:
Article
System:
The UNT Digital Library
Cooperation in neural systems: Bridging complexity and periodicity
Article discussing research on cooperation and neural systems and bridging complexity and periodicity.
Date:
November 29, 2012
Creator:
Zare, Marzieh & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
Ultimate strength of carbon nanotubes: A theoretical study
Article on a theoretical study of the ultimate strength of carbon nanotubes.
Date:
March 27, 2002
Creator:
Zhao, Qingzhong; Buongiorno Nardelli, Marco & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Carbon Nanotube-Metal Cluster Composites: A New Road to Chemical Sensors?
Article on carbon nanotube-metal cluster composites proposed as prototype systems for molecular recognition at the nanoscale.
Date:
March 31, 2005
Creator:
Zhao, Qingzhong; Buongiorno Nardelli, Marco; Lu, W. & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Experimental evidence for a discrete transition to channeling for 1.0-MeV protons in Si〈100〉
This article discusses experimental evidence for a discrete transition to channeling for 1.0-MeV protons in Si〈100〉.
Date:
April 1998
Creator:
Zhao, Z. Y.; Arrale, A. M.; Li, S. L.; Marble, D. K.; Weathers, Duncan L.; Matteson, Samuel E. et al.
Object Type:
Article
System:
The UNT Digital Library
Intraocular Pressure Changes: An Important Determinant of the Biocompatibility of Intravitreous Implants
Article discussing intraocular pressure changes and an important determinant of the biocompatibility of intravitreous implants.
Date:
December 14, 2011
Creator:
Zou, Ling; Nair, Ashwin; Weng, Hong; Tsai, Yi-Ting; Hu, Zhibing & Tang, Liping
Object Type:
Article
System:
The UNT Digital Library
Scattering Suppression in Epsilon-Near-Zero Plasmonic Fractal Shells
This article studies silica-gold core-shell microspheres with plasmonic fractal shells to show that the forward scattering of the silica microspheres is strongly suppressed.
Date:
October 12, 2015
Creator:
de Silva, Vashista C.; Nyga, Piotr & Drachev, Vladimir P.
Object Type:
Article
System:
The UNT Digital Library