Browsing JECS Staff and Student Research by Issue Date
Now showing items 1-20 of 159
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GPU-Based Computation of Discrete Periodic Centroidal Voronoi Tessellation in Hyperbolic Space
(2012-02)Periodic centroidal Voronoi tessellation (CVT) in hyperbolic space provides a nice theoretical framework for computing the constrained CVT on high-genus (genus > 1) surfaces. This paper addresses two computational issues ... -
Investigation of interfacial oxidation control using sacrificial metallic Al and La passivation layers on InGaAs
(2012-05-25)The ability of metallic Al and La interlayers to control the oxidation of InGaAs substrates is examined by monochromatic x-ray photoelectron spectroscopy (XPS) and compared to the interfacial chemistry of atomic layer ... -
In Situ Chemical Oxidation of Ultrasmall MoOx Nanoparticles in Suspensions
(2012-07-23)Nanoparticle suspensions represent a promising route toward low cost, large area solution deposition of functional thin films for applications in energy conversion, flexible electronics, and sensors. However, parameters ... -
Optimizing Diode Thickness for Thin-Film Solid State Thermal Neutron Detectors
(American Institute of Physics, 2012-10-04)In this work, we investigate the optimal thickness of a semiconductor diode for thin-film solid state thermal neutron detectors. We evaluate several diode materials, Si, CdTe, GaAs, C (diamond), and ZnO, and two neutron ... -
In situ atomic layer deposition half cycle study of Al2O 3 growth on AlGaN
(American Institute of Physics, 2012-11-10)Use the DOI address to see the article abstract. A subscription or fee may be necessary to view the article. -
Synthetic Mammalian Transgene Negative Autoregulation
(2013-06-04)Biological networks contain overrepresented small-scale topologies, typically called motifs. A frequently appearing motif is the transcriptional negative-feedback loop, where a gene product represses its own transcription. ... -
Transcripts for Combined Synthetic MicroRNA and Gene Delivery
(2013-06-26)MicroRNAs (miRNAs) are a class of short noncoding RNAs which are endogenously expressed in many organisms and regulate gene expression by binding to messenger RNA (mRNA). MicroRNAs are either produced from their independent ... -
Enhanced Photosensitized Activity of a BiOCl-Bi₂WO₆ Heterojunction by Effective Interfacial Charge Transfer
(2013-10-02)A BiOCl-Bi₂WO₆ heterojunction with a chemically bonded interface was synthesized via a facile one-step solvothermal method. A series of characterization techniques (XRD, XPS, TEM, SEM, EDS etc.) confirmed the existence of ... -
In Situ Study of the Role of Substrate Temperature during Atomic Layer Deposition of HfO2 on InP
(2013-10-16)The dependence of the "self cleaning" effect of the substrate oxides on substrate temperature during atomic layer deposition (ALD) of HfO₂ on various chemically treated and native oxide InP (100) substrates is investigated ... -
Structural Variation of Donor-Acceptor Copolymers Containing Benzodithiophene with Bithienyl Substituents to Achieve High Open Circuit Voltage in Bulk Heterojunction Solar Cells
(Royal Soc Chemistry, 2013-11-06)Three new donor-acceptor copolymers P1, P2, and P3 were synthesized with benzodithiophene with bithienyl substituents as the donor and 5,6-difluorobenzo[c][1,2,5]thiadiazole, 4,7-di(thiophen-2-yl)benzo[c][1,2,5] thiadiazole, ... -
Selectivity of Metal Oxide Atomic Layer Deposition on Hydrogen Terminated and Oxidized Si(001)-(2x1) Surface
(A V S Amer Inst Physics, 2014-02-10)In this work, the authors used density-functional theory methods and x-ray photoelectron spectroscopy to study the chemical composition and growth rate of HfO₂, Al₂O₃, and TiO₂ thin films grown by in-situ atomic layer ... -
Chemical Bonding and Defect States of LPCVD Grown Silicon-Rich Si₃N₄ for Quantum Dot Applications
(A V S: Science & Technology of Materials, Interfaces, and Processing, 2014-03)Si-rich Si₃N₄ (SRN) thin films were investigated to understand the various defect states present within the SRN that can lead to reduced performance in quantum dot based devices made of these materials. The SRN films, ... -
Accumulation Capacitance Frequency Dispersion of Ⅲ-Ⅴ Metal-Insulator-Semiconductor Devices due to Disorder Induced Gap States
(American Institute of Physics Inc., 2014-07-07)The origin of the anomalous frequency dispersion in accumulation capacitance of metal-insulator-semiconductor devices on InGaAs and InP substrates is investigated using modeling, electrical characterization, and chemical ... -
CRISPR-Based Self-Cleaving Mechanism for Controllable Gene Delivery in Human Cells
(Oxford University Press, 2014-12-18)Controllable gene delivery via vector-based systems remains a formidable challenge in mammalian synthetic biology and a desirable asset in gene therapy applications. Here, we introduce a methodology to control the copies ... -
Influence of Growth Temperature on Bulk and Surface Defects in Hybrid Lead Halide Perovskite Films
(Royal Society of Chemistry, 2015-12-14)The rapid development of perovskite solar cells has focused its attention on defects in perovskites, which are gradually realized to strongly control the device performance. A fundamental understanding is therefore needed ... -
Traveling Wave Solutions of the Time-Delayed Generalized Burgers-Type Equations
(2016-12-12)Background: Recently, nonlinear time-delayed evolution equations have received considerable interest due to their numerous applications in the areas of physics, biology, chemistry and so on. Methods: In this paper, we ... -
D-Type Anti-Ferromagnetic Ground State in Ca₂Mn₂O₅
(IOP Publishing Ltd, 2017-02)We study the electronic and magnetic properties of an oxygen-deficient perovskite Ca₂Mn₂O₅ based on the first principle calculations. The calculations show that the ground state of Ca₂Mn₂O₅ is a D-type anti-ferromagnetic ... -
The Lifecycle of the Ebola Virus in Host Cells
(2017-06-15)Ebola haemorrhagic fever causes deadly disease in humans and non-human primates resulting from infection with the Ebola virus (EBOV) genus of the family Filoviridae. However, the mechanisms of EBOV lifecycle in host cells, ... -
Liquid-Crystal Order during Synthesis Affects Main-Chain Liquid-Crystal Elastomer Behavior
(Royal Soc Chemistry, 2017-09-20)This study presents the first direct comparison of the influence of liquid-crystal order during synthesis on the thermo-mechanical behaviors of main-chain liquid-crystal elastomers (LCEs) in thiol-acrylate networks. Six ... -
Investigation of High Oxygen Reduction Reaction Catalytic Performance on Mn-Based Mullite SmMn₂O₅
(Royal Soc Chemistry, 2017-10)An alternative material SmMn₂O₅ mullite with regard to Pt/C is proposed to catalyze the oxygen reduction reaction (ORR) by combining density functional theory (DFT) calculations and experimental validations. Theoretical ...