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Journals

Comparing the Performance of Residential Fire Sprinklers with Other Life Safety Technologies

September 1, 2012

Author(s)

David T. Butry

Residential fire sprinklers have long proven themselves as life safety technologies to the fire service community. Only until recently have they shown to be

UV-Assisted Alcohol Sensing Using SnO_(2) Functionalized GaN Nanowire Devices

September 1, 2012

Author(s)

Ritu Bajpai, Abhishek Motayed, Albert Davydov, Vladimir Oleshko, Geetha G. Aluri, Kristine A. Bertness, Mulpuri V. Rao, Mona E. Zaghloul

A chemiresistor type sensor for selective alcohol sensing has been realized from gallium nitride nanowires (NWs) functionalized with sputter-deposited tin

Full-Wave Analysis of Dielectric-Loaded Cylindrical Waveguides and Cavities Using a New Four-Port Ring Network

August 31, 2012

Author(s)

Felipe Penaranda-foix, Michael D. Janezic, Jose M. Catala-Civera, Antoni J. Canos-Marin

In this paper, a full-wave method for the electromagnetic analysis of dielectric-loaded cylindrical and coaxial waveguides and cavities is developed. For this

Improving Optical Measurement Uncertainty with Combined Multitool Metrology Using a Bayesian Approach

August 30, 2012

Author(s)

Nien F. Zhang, Richard M. Silver, Hui Zhou, Bryan M. Barnes

Recently, there has been significant research investigating new optical technologies for dimensional metrology of features 22 nm in critical dimension and

Modeling Extreme Bottom-Up Filling of Through Silicon Vias

August 29, 2012

Author(s)

Daniel Josell, Daniel Wheeler, Thomas P. Moffat

Extreme bottom-up superfilling of through silicon vias (TSV) was recently described wherein deposition occurs on the bottom surface of the vias with negligible

Design, fabrication, and testing of a serial kinematic MEMS XY stage for multi-finger manipulation

August 29, 2012

Author(s)

Yong Sik Kim, Jae M. Yoo, Seung Ho Yang, Young M. Choi, Nicholas G. Dagalakis, Satyandra K. Gupta

In micro-electro-mechanical systems (MEMS) it is difficult to obtain large range of motion with small coupled error. This limitation was overcome by designing

Exploring background variability of a low-level (quartz) gas proportional counter using pulse shape and distribution analysis

August 29, 2012

Author(s)

George A. Klouda, James J. Filliben

Low-level gas proportional counting presents special challenges to the measurement process. Generally, measurement systems for this purpose have unique signal

Review: Biological Imaging Software Tools

August 29, 2012

Author(s)

Anne L. Plant, Kevin Eliceiri, Anne Carpenter

Few technologies are more widespread in modern biological laboratories than imaging by microscopy. Advancements in optical technologies and instrumentation over

Enthalpy change measurements of a mixed refrigerant in a microcryogenic cooler in steady and pulsating flow regimes

August 29, 2012

Author(s)

Ryan J. Lewis, Yunda Wang, Mu Hong Lin, Marcia L. Huber, Ray Radebaugh, Yung-Cheng Lee

Micro cryogenic coolers (MCCs) are useful to a number of small electronic devices which require low cooling power. The cooling power of MCCs operating with

Probing coherence in microcavity frequency combs via optical pulse shaping

August 29, 2012

Author(s)

Fahmida Ferdous, Houxun H. Miao, Pei-Hsun Wang, Daniel E. Leaird, Kartik Srinivasan, Lei Chen, Vladimir Aksyuk, Andrew M. Weiner

Recent investigations of microcavity frequency combs based on cascaded four-wave mixing have revealed a link between the evolution of the optical spectrum and

Simultaneuos Electrochemical and Mechanical Impendance Spectroscopy Using Cantilever Curvature

August 29, 2012

Author(s)

Manon C. Lafouresse, Ugo Bertocci, Carlos R. Beauchamp, Gery R. Stafford

Electrochemical impedance spectroscopy is applied to in-situ stress measurements of a gold cantilever electrode in 0.1 M HClO4 as a new technique for studying

NIST/ISAC standardization study: variability in assignment of intensity values to fluorescence standard beads and in cross calibration of standard beads to hard dyed beads

August 28, 2012

Author(s)

Lili Wang

A procedure is described for assigning the number of equivalent reference fluorophores (ERF) values to microspheres labeled with a fluorophore designed to

Error Modeling of Seebeck Coefficient Measurements Using Finite Element Analysis

August 28, 2012

Author(s)

Joshua B. Martin

Using finite element analysis, we have developed a metrology simulation to model errors in the measurement of the Seebeck coefficient. This physical parameter

Quantifying the elasticity and viscosity of geometrically-confined polymer films via thermal wrinkling

August 28, 2012

Author(s)

Edwin P. Chan, Qinhuang Lin, Christopher M. Stafford

We apply thermal wrinkling, which is a surface instability that occurs during thermal annealing of polymer films geometrically confined by a rigid substrate and

Experimental constraints on the polarizabilities of the 6s² 1S0 and 6s6p 3P0 states of Yb

August 28, 2012

Author(s)

Kyle P. Beloy

We utilize accurate experimental data available in the literature to yield bounds on the polarizabilities of the ground and first excited states of atomic Yb

Nucleation products of ligated nanoclusters unaffected by temperature and reducing agent

August 27, 2012

Author(s)

John M. Pettibone, Nicole R. Reardon

Atomically uniform nucleation products of ligated metal nanoclusters are observed irrespective of reduction conditions for metal-bidentate ligand systems

Protective roles of single-wall carbon nanotubes in ultrasonication-induced DNA base damage

August 27, 2012

Author(s)

Elijah J. Petersen, Xiaomin X. Tu, M Miral Dizdar, Ming Zheng, Bryant C. Nelson

Ultrasonication is a physical process known to generate abundant levels of oxygen-derived species such as hydroxyl radicals, hydrogen atoms, and hydrogen

Noncontact measurement of charge carrier lifetime and mobility in GaN nanowires

August 27, 2012

Author(s)

Christopher M. Dodson, Patrick Parkinson, Kristine A. Bertness, Hannah J. Joyce, Laura M. Herz, Norman Sanford, Michael B. Johnston

The first noncontact photoconductivity measurements of gallium nitride nanowires (NWs) are presented, revealing a high crystallographic and optoelectronic

Vertically Segregated Structure and Properties of small molecule-polymer blend semiconductors for organic thin film transistors

August 27, 2012

Author(s)

Nayool Shin, Dean DeLongchamp, Jihoon Kang, Regis J. Kline, Lee J. Richter, Vivek Prabhu, Balaji Purushothamanc, John E. Anthony, Do Y. Yoon

The phase-segregated structure and the electrical properties of thin film blends of the small-molecule semiconductor fluorinated 5,11-bis(triethylsilylethynyl)

Measuring Single-Walled Carbon Nanotube Length Distributions from Diffusional Trajectories

August 27, 2012

Author(s)

Jason Streit, Sergei M. Bachilo, Anton V. Naumov, Constantine Y. Khripin, Ming Zheng, R B. Weisman

A new method is demonstrated for measuring the length distributions of dispersed single-walled carbon nanotube (SWCNT) samples by analyzing diffusional motions

Radio-microanalytical particle measurements method and application to Fukushima aerosols collected in Japan

August 26, 2012

Author(s)

Cynthia J. Zeissler, Lawrence Forsley, Richard M. Lindstrom, Sean Newsome, Adrean Kirk, P.A. Mosier-Boss

A nondestructive analytical method based on autoradiography and gamma spectrometry was developed to perform activity distribution analysis for particulate

Coherent Diabatic Ion Transport and Separation in a Multizone Trap Array

August 24, 2012

Author(s)

Ryan S. Bowler, John P. Gaebler, Yiheng Lin, Ting Rei Tan, David Hanneke, John D. Jost, J. Home, Dietrich G. Leibfried, David J. Wineland

We investigate ion motion dynamics during the transport between and separation into spatially distinct trap locations in a multi-zone trap array. We laser-cool

Accurate and Precise Calibration of AFM Cantilever Spring Constants using Laser Doppler Vibrometry

August 24, 2012

Author(s)

Richard S. Gates, Jon R. Pratt

Accurate cantilever spring constants are important in atomic force microscopy in both control of sensitive imaging and to provide correct nanomechanical

Microwave Measurements and Systematic Circuit-Model Extraction of Nanowire Metal Semiconductor Field Effect Transistors

August 24, 2012

Author(s)

Dazhen Gu, Thomas M. Wallis, Pavel Kabos, Paul T. Blanchard, Kristine A. Bertness, Norman A. Sanford

We present detailed on-wafer scattering parameter measurements and equivalent circuit modeling of metal semiconductor field effect transistor (MESFET) that

Microwave measurements and systematic circuit-model extraction of nanowire metal semiconductor field-effect transistors

August 24, 2012

Author(s)

Dazhen Gu, Thomas M. Wallis, Pavel Kabos, Paul T. Blanchard, Kristine A. Bertness, Norman A. Sanford

We present detailed on-wafer scattering parameter measurements and equivalent circuit modeling of metal semiconductor field effect transistor (MESFET) that

A high-bandwidth electromagnetic MEMS motion stage for scanning applications

August 23, 2012

Author(s)

Young M. Choi, Nicholas G. Dagalakis, Jason J. Gorman, Seung Ho Yang, Yong Sik Kim, Jae M. Yoo

This paper presents the design, fabrication and experimental results of an out-of-plane electromagnetic motion stage. The combination of electromagnetic

The effect of styrene-methyl methacrylate monomeric arrangement on the ultrasonic degradation of copolymers

August 23, 2012

Author(s)

Mallory J. Morris, Andre Striegel

Ultrasonic degradation is a convenient means of studying the degradation of macromolecules in transient elongational flows. Cavitation results in non-random

Experimental Design and Data Evaluation Considerations for Comparisons of Higher-Order Value-Assigned Materials

August 22, 2012

Author(s)

David L. Duewer, Hugo H. Gasca-Aragon, Katrice A. Lippa, Blaza Toman

The analysis of higher-order value-assigned materials (HOVAMs) such as certified reference materials (CRMs) and value-assigned proficiency testing materials can

MEMS-based universal fatigue test technique

August 22, 2012

Author(s)

Li-Anne Liew, David T. Read, Nicholas Barbosa

We have developed a MEMS (micro electro mechanical systems) -based method for fatigue testing of micro- to millimeter-sized specimens of any material (hence

Microstructure evolution and development of annealed Ni/Au contacts to GaN nanowires

August 21, 2012

Author(s)

Andrew M. Herrero, Paul T. Blanchard, Aric W. Sanders, Matthew D. Brubaker, Norman A. Sanford, Alexana Roshko, Kristine A. Bertness

The development of Ni/Au contacts to Mg-doped GaN nanowires (NWs) is examined. Current-voltage (I-V) measurements of these Mg-doped nanowire devices frequently

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