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Conferences

Advanced Nanoscale Elastic Property Measurement by Contact-Resonance Atomic Force Microscopy

June 23, 2010

Author(s)

Gheorghe Stan, Robert F. Cook

In atomic force microscopy (AFM)-based techniques, material information (topography, mechanical, electrical, magnetic, etc.) is retrieved from the nanoscale...

Graphene Nanoribbon Schottky-barrier FETs for End-of-the-roadmap CMOS: Challenges and Opportunities

June 23, 2010

Author(s)

Qin Zhang, Yeqing Lu, Huili Xing, Curt Richter, Steven J. Koester, Siyuranga Koswatta

Piezoelectric Shaker Development for High Frequency Calibration of Accelerometers

June 22, 2010

Author(s)

Beverly F. Payne, Gregory W. Vogl, Kari K. Harper

Calibration of vibration transducers requires sinusoidal motion over a wide frequency range with low distortion and low cross-axial motion. Piezoelectric...

Modeling and Experimental Analysis of Piezoelectric Shakers for High-Frequency Calibration of Accelerometers

June 22, 2010

Author(s)

Gregory W. Vogl, Kari K. Harper, Beverly F. Payne

Piezoelectric shakers have been developed and used at NIST for decades for high-frequency calibration of accelerometers. Recently, NIST researchers built new...

An Analytical Method to Quantify Silica Nanoparticles Accumulated on the Surface of Polymer Nanocomposites Exposed to UV Radiation

June 21, 2010

Author(s)

Savelas A. Rabb, Lee L. Yu, Coralie Bernard

Three films containing different mass fractions (0 %, 5 % and 10 %) of silica (SiO2) nanoparticles have been subjected to controlled degradation conditions at...

Visual Similarity based 3D Shape Retrieval Using Bag-of-Features

June 21, 2010

Author(s)

Zhouhui Lian, Afzal A. Godil, Xianfang Sun

This paper develops a novel 3D shape retrieval method, which uses Bag-of-Features and an efficient multi-view shape matching scheme. In our approach, a properly...

Propensity of Nanoparticles to Release from Residential Soft Furnishings

June 21, 2010

Author(s)

Rick D. Davis, Yeon S. Kim, Marc R. Nyden, Richard H. Harris Jr.

Authentication Assurance Level Taxonomies for Smart Identity Token Deployments - A New Approach

June 21, 2010

Author(s)

Ramaswamy Chandramouli

Authentication assurance level taxonomies that have been specified in many real-world smart identity token deployments do not fully reflect all the security...

Application of Microwave Scanning Probes to Photovoltaic Materials

June 20, 2010

Author(s)

Kristine A. Bertness, John B. Schlager, Norman A. Sanford, Atif A. Imtiaz, Thomas M. Wallis, Joel C. Weber, Pavel Kabos, Lorelle M. Mansfield

We demonstrate that near field scanning microwave microscopy (NSMM) can be used to detect photoresponse in photovoltaic materials with potential for...

Method to determine the absorbance of thin films for photovoltaic technology

June 20, 2010

Author(s)

Nathan A. Tomlin, John H. Lehman, Katherine E. Hurst, D. B. Tanner, K. Kamaras, Aron Pekker

We have demonstrated a novel method to determine optical properties of opaque or semi-transparent films for photovoltaic (PV) applications. Such films may be...

Space charge limited current effects in silicon at high injection levels

June 20, 2010

Author(s)

Ari D. Feldman, Richard K. Ahrenkiel

The space charge limited current (SCLC) effect will be analyzed in undoped crystalline silicon wafers at high injection levels. Space charge limited currents...

Behavior of ε (omega} and tan δ of a Class of Low-Loss Materials

June 18, 2010

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Billy F. Riddle, Kim Sung

In this project we study the behavior of the permittivity and loss tangent of a class of materials that exhibit relaxation. For relaxation response we show that...

Simulator for Amplifier and Transistor Noise-Parameter Measurements

June 18, 2010

Author(s)

James P. Randa

This paper describes a simulation program that was developed to compare the uncertainties that would be expected with different measurement strategies for the...

Fire Dynamics Simulator Version 6: Complex Geometry, Embedded Meshes, and Quality Assessment

June 17, 2010

Author(s)

Randall J. McDermott, Glenn P. Forney, Kevin B. McGrattan, William E. Mell

The Fire Dynamics Simulator (FDS) and Smokeview (SMV) are computational and visualization tools specifically designed for large-eddy simulations (LES) of low...

An Empirical Study of Korean Cultural Effects on the Usability of Biometric Symbols

June 17, 2010

Author(s)

Young-Bin Kwon, Yooyoung Lee, Yee-Yin Choong

Biometrics is an umbrella term for methods that identify an individual based on physiological and/or behavioral characteristics such as fingerprint, face, iris...

Testing Interoperability Standards - A Test Case Generation Methodology

June 16, 2010

Author(s)

Nenad Ivezic, Jungyub Woo

Over many years, National Institute of Standards and Technology (NIST) built test beds to support interoperability standards development and their...

Representing Egress Behaviour in Engineering Terms

June 16, 2010

Author(s)

Steve M. Gwynne, Erica D. Kuligowski, Daniel Nilsson

When using engineering tools to calculate RSET, the engineer must have sufficient expertise to identify actual human factors that will influence the outcome of...

Test Collection Diagnosis and Treatment

June 15, 2010

Author(s)

Ian M. Soboroff

Test collections are a mainstay of information retrieval research. Since the 1990s, large reusable test collections have been developed in the context of...

Sensitivity scaling of dual frequency comb spectroscopy

June 15, 2010

Author(s)

Ian R. Coddington, William C. Swann, Nathan R. Newbury

Coherent dual comb spectroscopy can harness many inherent strengths of frequency combs to provide high-resolution, high-accuracy measurements of a sample...

Tunable laser spectroscopy referenced with dual frequency combs

June 15, 2010

Author(s)

Fabrizio R. Giorgetta, Ian R. Coddington, Esther Baumann, William C. Swann, Nathan R. Newbury

Frequency combs provide broadband spectroscopic measurements with high frequency accuracy and precision. However, because the comb power is distributed over a...

Role of Nanoparticles in Life Cycle of Nanocomposites

June 15, 2010

Author(s)

Xiaohong Gu, Guodong Chen, Minhua Zhao, Stephanie S. Watson, Paul E. Stutzman, Tinh Nguyen, Joannie W. Chin, Jonathan W. Martin

The objective of this study is to investigate the role of ZnO nanoparticles in the life cycle of a waterborne polyurethane (PU) nanocomposite during UV exposure...

Statistical Modeling of Harvestable Kinetic Energy for Wearable Medical Sensors

June 15, 2010

Author(s)

Nathalie Yarkony, Kamran Sayrafian, Antonio Possolo

Energy Harvesting (EH) refers to the process of capturing and storing energy from external sources or ambient environment. Kinetic energy harvested from the...

Interlaboratory Comparison of Traceable Atomic Force Microscope Pitch Measurements

June 14, 2010

Author(s)

Ronald G. Dixson, Donald Chernoff, Shihua Wang, Theodore V. Vorburger, Ndubuisi G. Orji, Siew-Leng Tan, Joseph Fu

The National Institute of Standards and Technology (NIST), Advanced Surface Microscopy (ASM), and the National Metrology Centre (NMC) of the Agency for Science...

Introduction to Surface Finish Metrology

June 14, 2010

Author(s)

Theodore Vorburger

We discuss the range of methods available to measure surface finish and emphasize the methods of stylus profiling and various types of optical profiling...

Error in calorimetric effective efficiency measurements due to DC losses

June 13, 2010

Author(s)

Thomas P. Crowley

A phenomenon in which DC loss in a transfer standard results in incorrect calorimetric effective efficiency measurements is described. The DC loss occurs within...

Calibrations of Current-to-Voltage Transimpedance Amplifiers Using Electrical Standards

June 13, 2010

Author(s)

Howard W. Yoon, George P. Eppeldauer, Dean G. Jarrett, Thomas C. Larason, Wan-Seop Kim

For photocurrent measurements with low uncertainties, a wide-dynamic range current-to-voltage converter traceable to resistance standards has been developed at...

A Toolbox for Designing and Analyzing Phase-Shifting Interferometry Algorithms with Characteristic Polynomials

June 13, 2010

Author(s)

Ulf Griesmann

Many of the recent advances in understanding of phase-shifting algorithms have yet to be incorporated into the software for commercial phase shifting...

A Simple Method to Improve Etching Uniformity when Making Phase Type CGHs on a Thick Glass Substrate

June 13, 2010

Author(s)

Quandou (. Wang

A simple method to optimize the etching uniformity when making a Computer generated halogram on a thick optical glass substrate is described, which uses a...

Power Spectral Density: Is it right?

June 13, 2010

Author(s)

Ulf Griesmann, John Lehan, Jiyoung Chu

We concentrate on the instrumental issues surrounding power spectral density (PSD) determination, using as an example, the most common optical shop QA tool, the...

Evaporator Optimization for Non-Uniform Air Distribution

June 13, 2010

Author(s)

Piotr A. Domanski, David A. Yashar, Sunil Lee

This study demonstrates the performance improvements that can be achieved by accounting for the in-situ air flow distribution during the design phase of a heat...

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