Filters: Collection: "ir_uspace"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 201 |
 |
Stringfellow, Gerald B. | Effect of oxygen incorporation in semi-insulating (AlxGa1-x)yIn1-yP | Discusses a study conducted on oxygen-doped, semi-insulating layers of (aluminum-gallium) indium phosphide grown on gallium arsenide using organometallic vapor phase epitaxy. Effect of oxygen doping on semi-insulating layers of the substance; Secondary-ion mass spectrometry measurements; Measured co... | Inactive interstitial atoms; Energy-dispersive spectoscopy; intentional oxygen | 1992 |
| 202 |
 |
Liu, Feng | First-principles study of impurity segregation in edge dislocations in Si | Using ab initio calculations, the segregation of As, Ga, and Ge atoms in the core regions of perfect edge dislocations in Si is examined. When all nearest neighbors of an impurity are Si atoms, As favors the core site at maximum compression and has a segregation energy of 0.25 eV/atom. Ga and Ge im... | First-principles; Impurity segregation; Edge dislocations | 2000-01 |
| 203 |
 |
Symko, Orest George | Noise characteristics and instabilities of long Josephson junctions | In a magnetic field, current biased long Josephson junctions exhibit the dynamics of fluxon motion which are affected by fluctuations. These consist of telegraph noise at voltage steps and instabilities due to chaotic behavior. Results on long junctions with McCumber number fic ranging from 10 to 10... | Fluxon motion; Current biased; Instabilities; Telegraph noise; Perturbed sine-Gordon equation | 1989-03 |
| 204 |
 |
Tiwari, Ashutosh | Self-aligned passivated copper interconnects: a novel technique for making interconnections in ultra large scale integration device applications | We have developed a technique to grow self-aligned epitaxial Cu/MgO films on Si (100) using a Pulsed Laser Deposition Method. In this method we deposit a uniform film of Cu/Mg (5-7%) alloy over Si (100) at room temperature using TiN as an intermediate buffer layer. As a result of HRTEM (with spatial... | Passivated copper interconnects; Diffusion barriers; Copper diffusion; Tantalum nitride | 2002 |
| 205 |
 |
Meyer, Miriah Dawn | Visualizing data: why an (interactive) picture is worth 1000 numbers | One of the most striking and unique aspects about this moment in human history is the amount of data we are generating. This data holds the promise of unlocking the mysteries of the universe, untangling complex natural and man-made systems, and allowing us to live longer, healthier, and more product... | 2012-09-05 | |
| 206 |
 |
Myntti, Jeremy | Western Name Authority File: Preparing Charles Savage for Linked Data | Presentation given at the 2017 OLAC Conference, Linked Data Initiatives Panel, in Richmond, VA. | Name authority records (Information retrieval); Linked data; Metadata | 2017-10-28 |
| 207 |
 |
Sobh, Tarek M. | A survey on sensor classifications for industrial applications | The importance of sensors in industrial applications is a result of the introduction of many robotics, automation, and intelligent control techniques into factory floors. Research and improvements need to be continuously performed to meet the challenges in automation and manufacturing applications i... | Sensor classifications; Industrial applications; Sensors | 1995 |
| 208 |
 |
Gopalakrishnan, Ganesh | A transformational approach to asynchronous high-level synthesis | Asynchronous high-level synthesis is aimed at transforming high level descriptions of algorithms into efficient asynchronous circuit implementations. This approach is attractive from the point of view of the flexibility it affords in performing high level program transformations on users' initial d... | High level synthesis tool; SHILPA | 1993 |
| 209 |
 |
Myers, Chris J.; Schlegel, Christian | Analog MAP decoder for (8, 4) hamming code in subthreshold CMOS | An all-MOS analog implementation of a MAP decoder is presented for the (8, 4) extended Hamming code. This paper describes the design and analysis of a tail-biting trellis decoder implementation using subthreshold CMOS devices. A VLSI test chip has recently returned from fabrication, and preliminary ... | 2001 | |
| 210 |
 |
Mishchenko, Eugene | Polarized electric current in semiclassical transport with spin-orbit interaction | Semiclassical solutions of two-dimensional Schrödinger equation with spin-orbit interaction and smooth potential are considered. In the leading order, spin polarization is in-plane and follows the evolution of the electron momentum for a given subband. Out-of-plane spin polarization appears as a ... | Spin-polarized current; Sharvin conductance; Spin-orbit coupling | 2006-10 |
| 211 |
 |
Anderson, Richard Bryan | What will become of us? looking into the crystal ball of serials work | Is it possible to predict the future of serials work? Not with perfect accuracy, of course - but to do so imperfectly is both possible and imperative.We need to be looking ahead and asking questions like these: What are the implications of the open access movement for serials staff? Will the informa... | 2006 | |
| 212 |
 |
Rahman, Aowabin | Predicting electricity consumption for commercial and residential buildings using deep recurrent neural networks | This paper presents a recurrent neural network model to make medium-to-long term predictions, i.e. time horizon of ≥ 1 week, of electricity consumption profiles in commercial and residential buildings at one-hour resolution. Residential and commercial buildings are responsible for a significant fr... | Building Energy Modeling; Machine learning; Recurrent neural networks; Deep learning; Electric load prediction | 2017 |
| 213 |
 |
Williams, Clayton C. | Lateral dopant profiling with 200 nm resolution by scanning capacitance microscopy | Measurement of dopant density in silicon with lateral resolution on the 200 nm scale has been demonstrated with a near-field capacitance technique. The technique is based upon the measurement of local capacitance between a 100 nm tip and a semiconducting surface. Lateral dopant imaging is achieved b... | Dopant profile; Doping density; Scanning capacitance microscopy | 1989 |
| 214 |
 |
Symko, Orest George | Microwave absorption in the superconducting and normal phases of Y-Ba-Cu-O | Microwave absorption in a dc magnetic field up to 12 kG, attributed to nonequilibrium contributions to the ac susceptibility, appears at Tc as the sample is cooled. ESR measurements of YBa-Cu-O show that Cu2+ exists only in the fraction of the sample which is not superconducting in a distorted octa... | Microwave absorption; Superconducting phase; YBCO; High Tc | 1987-08 |
| 215 |
 |
Harrison, Reid R. | Single-chip CMOS visual orientation sensor | We present a single-chip, low-power vision sensor capable of measuring local edge orientation across a wide field of view. The sensor was fabricated in a 0.5-µm CMOS process. Quadratic spatial filters were implemented using differential pairs and an "antibump" circuit to give a current-mode out... | Low-power; Vision sensor; CMOS | 2004-01-01 |
| 216 |
 |
Smith, Kent F. | PPL design examples (NMOS30 Version) | This work was supported in part by Defense Advanced Research Projects Agency under Contract number DAAK1184K0017. All opinions, findings, conclusions or recommendations expressed in this document are those of the author(s) and do not necessarily reflect the views of DARPA. | Circuits; Design | 1986 |
| 217 |
 |
Balasubramonian, Rajeev | Leveraging 3D technology for improved reliability | Aggressive technology scaling over the years has helped improve processor performance but has caused a reduction in processor reliability. Shrinking transistor sizes and lower supply voltages have increased the vulnerability of computer systems towards transient faults. An increase in within-die an... | Reliability; Redundant multi-threading, 3D die-stacking; Parameter variation; Soft errors; Dynamic timing errors; Power-efficient microarchitecture; On-chip temperature | 2007-12 |
| 218 |
 |
Liu, Feng | First-principles study of electronic properties of biaxially strained silicon: effects on charge carrier mobility | Using first-principles method, we calculate the electronic band structure of biaxially strained silicon, from which we analyze the change in electron and hole effective mass as a function of strain and determine the mobility of electrons and holes in the biaxially strained silicon based on Boltzmann... | Biaxially strained silicon; Boltzmann transport theory | 2008-12 |
| 219 |
 |
Rogachev, Andrey | Observation of shot noise in phosphorescent organic light-emitting diodes | We employed a cross correlation method to study current noise in phosphorescent organic light-emitting diodes. The noise spectra revealed two frequency-dependent components. The first component displays 1/ f 1.3 dependence and correlates with the light emission of the devices. The second component i... | 2014-01-01 | |
| 220 |
 |
Liu, Feng | Mechanical stability of ultrathin Ge/Si film on SiO2: the effect of Si/SiO2 interface | We perform two-dimensional linear elastic finite element analysis to investigate the mechanical stability of ultrathin Ge/Si film grown on or bonded to SiO2, using imperfect interface elements between Si and SiO2 to model Si/SiO2 interfacial slippage. We demonstrate that the overall composite film i... | Ultrathin films; Si/SiO2 interface; Mechanical stability | 2005 |
| 221 |
 |
Vardeny, Zeev Valentine | Optical studies of excess carrier recombination in α-Si:H: evidence of dispersive diffusion | Relaxation of photoinduced optical absorption following pulsed laser excitation was measured between 0.5 pis and 10 ms in doped and undoped a-Si:H as a function of temperature. The recombination was found to be bimolecular diffusion limited. The diffusion coefficient of the excess carriers is time ... | Hydrogenated amorphous silicon; a-Si:H; Excess carrier recombination; Dispersive diffusion | 1980-05 |
| 222 |
 |
Brunvand, Erik L. | A comparison of modular self-timed design styles | State-machine sequencing methods in modular 2-phase and 4-phase asynchronous handshake control are compared. Design styles are discussed, and the sequencers are tested against each other using a medium-scale minicomputer test design implemented in FPGAs. Seven 4-phase sequencers are tested. In these... | Self-timed; State-machine sequencing; Asynchronous handshake control | 1995 |
| 223 |
 |
Khan, Faisal Habib | Start-up and dynamic modeling of the multilevel modular capacitor-clamped converter | This paper will present the analytical proof of concept of the multilevelmodular capacitor-clamped converter (MMCCC). The quantitative analysis of the charge transfer mechanism among the capacitors of the MMCCC explains the start-up and steadystate voltage balancing. Once these capacitor voltages a... | 2010-02 | |
| 224 |
 |
Organick, Elliott I.; Lindstrom, Gary E. | Transforming an Ada program unit to silicon and verifying its behavior in an Ada environment: a first experiment | Microelectronics technology has advanced so rapidly and been so successful that we are new having to build large systems with a multitude of diverse, interacting components. Some components of these systems exhibit distinct architectures and may, in fact, be implemented following different choices o... | Transformation; Ada program units; Silicon | 1983 |
| 225 |
 |
Riesenfeld, Richard F. | Computer aided design | The report is based on the proposal submitted to the National Science Foundation in September 1981, as part of the Coordinated Experimental Computer Science Research Program. The sections covering the budget and biographical data on the senior research personnel have not been included. Also, the sec... | 1984 |