Radio-Frequency Actuated Polymer-Based Phononic Meta-Materials for Control of Ultrasonic Waves (open access)

Radio-Frequency Actuated Polymer-Based Phononic Meta-Materials for Control of Ultrasonic Waves

This article describes the achievement of radio-frequency control of a n ultrasonic phononic crystal by encapsulating it in a composite of high k-10% KF-doped BaTiO₃ dielectric nanoparticles with poly(N-isopropylacrylamide) (PNIP Am)-based hydrogel.
Date: July 14, 2016
Creator: Walker, Ezekiel; Wang, Zhiming & Neogi, Arup
Object Type: Article
System: The UNT Digital Library
A new, faint population of X-ray transients (open access)

A new, faint population of X-ray transients

This article reports on the detection of a remarkable new fast high-energy transient found in the Chandra Deep Field-South, robustly associated with a faint host in the CANDELS survey.
Date: February 15, 2017
Creator: Bauer, Franz E.; Treister, Ezequiel; Schawinski, K.; Schulze, S.; Luo, Bin; Alexander, David M. et al.
Object Type: Article
System: The UNT Digital Library
ALMA Observations Show Major Mergers Among the Host Galaxies of Fast-growing, High-redshift, Supermassive Black Holes (open access)

ALMA Observations Show Major Mergers Among the Host Galaxies of Fast-growing, High-redshift, Supermassive Black Holes

This article presents new ALMA band-7 data for a sample of six luminous quasars at z ≃ 4.8, powered by fast-growing supermassive black holes (SMBHs) with rather uniform properties.
Date: February 3, 2017
Creator: Trakhtenbrot, Benny; Lira, Paulina; Netzer, Hagai; Cicone, Claudia; Maiolino, Roberto & Shemmer, Ohad
Object Type: Article
System: The UNT Digital Library
Bold-Independent Computational Entropy Assesses Functional Donut-Like Structures in Brain fMRI Images (open access)

Bold-Independent Computational Entropy Assesses Functional Donut-Like Structures in Brain fMRI Images

This article introduces a novel technique of fMRI images analysis, called computational proximity method, i.e., nucleus clustering in Voronoï tessellations.
Date: February 1, 2017
Creator: Peters, James F.; Ramanna, Sheela; Tozzi, Arturo & Inan, Ebubekir
Object Type: Article
System: The UNT Digital Library
Ion Beam Materials Analysis and Modifications At keV to MeV Energies at the University of North Texas (open access)

Ion Beam Materials Analysis and Modifications At keV to MeV Energies at the University of North Texas

This paper provides an overview of the Ion Beam Modification and Analysis Laboratory facilities and some of the current research projects.
Date: February 25, 2014
Creator: Rout, Bibhudutta; Dhoubhadel, Mangal; Poudel, Prakash R.; Kummari, Venkata C.; Lakshantha, Wickramaarachchige J.; Manuel, J. E. et al.
Object Type: Article
System: The UNT Digital Library
Effect of noise and detector sensitivity on a dynamical process: Inverse power law and Mittag-Leffler interevent time survival probabilities (open access)

Effect of noise and detector sensitivity on a dynamical process: Inverse power law and Mittag-Leffler interevent time survival probabilities

Article on the effect of noise and detector sensitivity on a dynamical process and the inverse power law and Mittag-Leffler interevent time survival probabilities.
Date: February 10, 2014
Creator: Pramukkul, Pensri; Svenkeson, Adam & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
On The Performance of Quasar Reverberation Mapping in the Era of Time-Domain Photometric Surveys (open access)

On The Performance of Quasar Reverberation Mapping in the Era of Time-Domain Photometric Surveys

This article quantitatively assesses, by means of comprehensive numerical simulations, the ability of broadband photometric surveys to recover the broad emission line region size in quasars under various observing conditions and for a wide range of object properties.
Date: February 2, 2014
Creator: Chelouche, Doron; Shemmer, Ohad; Cotlier, Gabriel I.; Barth, Aaron J. & Rafter, Stephen E.
Object Type: Article
System: The UNT Digital Library
Electric Field Induced Phase Transitions in Polymers: A Novel Mechanism for High Speed Energy Storage (open access)

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 (open access)

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 (open access)

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 (open access)

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
Long-range surface plasmons in dielectric-metal-dielectric structure with highly anisotropic substrates (open access)

Long-range surface plasmons in dielectric-metal-dielectric structure with highly anisotropic substrates

This article discusses long-range surface plasmons in dielectric-metal-dielectric structure with highly anisotropic substrates.
Date: February 22, 2010
Creator: Nagaraj & Krokhin, Arkadii A.
Object Type: Article
System: The UNT Digital Library
X-Ray Insights Into the Nature of Weak Emission-Line Quasars at High Redshift (open access)

X-Ray Insights Into the Nature of Weak Emission-Line Quasars at High Redshift

This article presents Chandra observations of nine high-redshift quasars discovered by the Sloan Digital Sky Survey with weak or undetectable high-ionization emission lines in their UV spectra.
Date: February 8, 2009
Creator: Shemmer, Ohad; Brandt, William Nielsen; Anderson, Scott F.; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Richards, Gordon T. et al.
Object Type: Article
System: The UNT Digital Library
Dynamics of EEG Entropy: beyond signal plus noise (open access)

Dynamics of EEG Entropy: beyond signal plus noise

Paper discussing the dynamics of EEG entropy.
Date: February 6, 2009
Creator: Ignaccolo, Massimiliano; Latka, Miroslaw; Jernajczyk, Wojciech; Grigolini, Paolo & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Sun-Climate Complexity Linking (open access)

Sun-Climate Complexity Linking

Article discussing sun-climate complexity linking and how this property is a consequence of the phenomenon of information transfer.
Date: February 29, 2008
Creator: West, Bruce J. & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Non-extensive diffusion entropy analysis: non-stationarity in teen birth phenomena (open access)

Non-extensive diffusion entropy analysis: non-stationarity in teen birth phenomena

Paper discussing non-extensive diffusion entropy analysis and non-stationarity in teen birth phenomena.
Date: February 6, 2008
Creator: Scafetta, Nicola; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Renewal aging and linear response (open access)

Renewal aging and linear response

Paper discussing the linear response to an external perturbation of a renewal process, in an aging condition that, with no perturbation, would yield super-diffusion.
Date: February 6, 2008
Creator: Allegrini, Paolo; Ascolani, Gianluca; Bologna, Mauro & Grigolini, Paolo
Object Type: Paper
System: The UNT Digital Library
Renewal Aging as Emerging Property of Phase Synchronization (open access)

Renewal Aging as Emerging Property of Phase Synchronization

Paper discussing renewal aging as emerging property of phase synchronization.
Date: February 6, 2008
Creator: Bianco, Simone; Geneston, Elvis L.; Grigolini, Paolo & Ignaccolo, Massimiliano
Object Type: Paper
System: The UNT Digital Library
Renewal and memory properties in the random growth of surfaces (open access)

Renewal and memory properties in the random growth of surfaces

Article discussing the renewal and memory properties in the random growth of surfaces.
Date: February 4, 2008
Creator: Cakir, Rasit; Grigolini, Paolo & Ignaccolo, Massimiliano
Object Type: Article
System: The UNT Digital Library
Aging and Rejuvenation with Fractional Derivatives (open access)

Aging and Rejuvenation with Fractional Derivatives

Article on aging and rejuvenation with fractional derivatives.
Date: February 2, 2008
Creator: Aquino, Gerardo; Bologna, Mauro; Grigolini, Paolo & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Aging in financial market (open access)

Aging in financial market

Article discussing aging in the financial market.
Date: February 2, 2008
Creator: Bianco, Simone & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Fluorescence intermittency in blinking quantum dots: renewal or slow modulation? (open access)

Fluorescence intermittency in blinking quantum dots: renewal or slow modulation?

Article discussing fluorescence intermittency in blinking quantum dots.
Date: February 2, 2008
Creator: Bianco, Simone; Grigolini, Paolo & Paradisi, Paolo
Object Type: Article
System: The UNT Digital Library
From Knowledge, Knowability and the Search for Objective Randomness to a New Vision of Complexity (open access)

From Knowledge, Knowability and the Search for Objective Randomness to a New Vision of Complexity

Paper discussing knowledge, knowability, and the search for objective randomness to a new vision of complexity.
Date: February 2, 2008
Creator: Allegrini, Paolo; Giuntoli, Martina; Grigolini, Paolo & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library
Scaling in Non-stationary Time Series 2: Teen Birth Phenomenon (open access)

Scaling in Non-stationary Time Series 2: Teen Birth Phenomenon

This paper is devoted to the problem of statistical mechanics raised by the analysis of an issue of sociological interest: the teen birth phenomenon.
Date: February 2, 2008
Creator: Ignaccolo, Massimiliano; Allegrini, Paolo; Grigolini, Paolo; Hamilton, P. & West, Bruce J.
Object Type: Paper
System: The UNT Digital Library