Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Fracture Toughness of Toughened Silicon Nitride by ASTM C 1421

June 1, 2003

Author(s)

George D. Quinn, J Swab, M J. Motyka

The fracture toughness of a commercial sintered reaction-bonded silicon nitride was measured by the three complementary test methods in ASTM C 1421. Precracks

Stray-Light Correction of the Marine Optical Buoy

June 1, 2003

Author(s)

Steven W. Brown, Bettye C. Johnson, S Flora, M Feinholz, M Yarbrough, R Barnes, Y S. Kim, Keith R. Lykke, D K. Clark

In ocean-color remote sensing, approximately 90% of the flux at the sensor originates from atmospheric scattering, with the water-leaving radiance contribution

Tomography in the Multiple Scattering Regime of the Scanning Transmission Electron Microscope

June 1, 2003

Author(s)

Zachary H. Levine

To date, nearly all tomography based on electron microscopy has been performed on samples 1 m or less thick. It has also relied on Beer s Law. In this work

A System for Generating Process and Material Selection Advice During Embodiment Design of Mechanical Components

June 1, 2003

Author(s)

Satyandra K. Gupta, Y Chen, Shaw C. Feng, Ram D. Sriram

This paper describes (1) a systematic approach to material and process selection during embodiment design of mechanical components, (2) algorithms for

Using Self-Assembled Monolayer Technology to Probe the Mechanical Response of the Fiber Interphase-Matrix Interphase Interface

June 1, 2003

Author(s)

Gale A. Holmes, E Feresenbet, D T. Raghavan

In this paper, a brief review of the fiber-matrix interphase/interface region is given for carbon- and glass-fiber composites. The interphase/interface region

T_c Suppression in Superconducting Films for use in Transition Edge Sensors

June 1, 2003

Author(s)

Steven Deiker, Gene C. Hilton, Kent D. Irwin, William Rippard, Steve Ruggiero, Leila R. Vale, B. A. Young

Transition edge sensor (TES) microcalorimeters have proved their value as photon detectors in several wavelength regimes. The central elecement of a TES is a

Surface Micromachining for Transition-Edge Detectors

June 1, 2003

Author(s)

Gene C. Hilton, James A. Beall, Steven Deiker, Joern Beyer, Leila R. Vale, Joel Ullom, Kent D. Irwin

We are developing arrays of high performance detectors based on superconducting transition-edge sensors (TES) for application in x-ray materials analysis as

A frequency-domain read-out technique suitable for large microcalorimeter arrays demonstrated using high-resolution cryogenic gamma-ray sensors

June 1, 2003

Author(s)

Joel Ullom, M. Cunningham, T. Miyazaki, S. E. Lebov

Cryogenic sensors composed of transition-biased superconducting films have demonstrated remarkable sensitivity at gamma-ray, x-ray, optical, and submillimeter

Electronics for Arrays of Transition Edge Sensors using Digital Signal Processing

June 1, 2003

Author(s)

Sae Woo Nam, Joern Beyer, Gene C. Hilton, Kent D. Irwin, Carl D. Reintsema, John M. Martinis

Single-pixel transition-edge sensors (TES) are useful for a variety of applications requiring the detection of photons from sub-millimeter wavelengths to gamma

Performance of 32-channel Time-Division SQUID Multiplexer for Cryogenic Detector Arrays

June 1, 2003

Author(s)

Joern Beyer, Piet DeKorte, Carl D. Reintsema, Sae Woo Nam, Gene C. Hilton, Leila R. Vale, Kent D. Irwin

Multiplexed readout is a practical requirement for the successful deployment of large-scale cryogenic detector arrays in applications ranging from x-ray

Description of the Nonlinear Behavior of Superconductors Using a Complex Conductivity

June 1, 2003

Author(s)

James Booth, Susan A. Schima, Donald C. DeGroot

The origin of the detrimental nonlinear response in the high Tc superconductor (HTS) microwave devices is currently not well understood. In order to help

A Self-Attenuating Superconducting Transmission Line for Use as a Microwave Power Limiter

June 1, 2003

Author(s)

James Booth, David A. Rudman, Ronald H. Ono

We have designed, fabricated, and tested a microwave power limiter based on high temperature superconductor thin film technology. The signal limiter takes the

Influence of Impedance Mismatch Effects on Measurements of Unloaded Q Factors of Transmission Mode Dielectric Resonators

June 1, 2003

Author(s)

Kenneth Leong, James Booth, Sang Y. Lee

Precise measurements of the surface resistance of high temperature superconducting thin films using transmission mode dielectric resonators requires accurate

Banishing Quasiparticles From Josephson-Junction Qubits: Why and How To Do It

June 1, 2003

Author(s)

Kristine Lang, Sae Woo Nam, Joe Aumentado, John M. Martinis, C Urbina

Current-biased Josephson junctions are prime candidates for the implementation of quantum bits; however, a present limitation is their coherence time. In this

Microwave Surface Impedance and Nonlinear Properties of MgB₂ Films

June 1, 2003

Author(s)

James Booth, Sang Y. Lee, Kenneth Leong, J. H. Lee, J. Lim, H. N. Lee, S. H. Moon, B. Oh

We have measured the temperature dependence of the microwave surface impedance and the nonlinear response of high-quality MgB 2 films on c-cut sapphire at

Stacked SNS Josephson Junction Arrays for Quantum Voltage Standards

June 1, 2003

Author(s)

Paul Dresselhaus, Yonuk Chong, J. Plantenberg, Samuel Benz

NIST is using and developing superconductor-normal metal-superconductor (SNS) Josephson arrays for both programmable DC and AC voltage standards. Increasing the

Critical Current Control and Microwave-Induced Characteristics of (NbN/TiN_x)_n/NbN Stacked Junction Arrays

June 1, 2003

Author(s)

Mayumi Ishizaki, Hirotake Yamamori, A. Shoji, Samuel Benz, Paul Dresselhaus

Stacked double and triple Josephson junctions with NbN electrodes and TiN x barriers were fabricated for the next generation 10 V programmable Josephson voltage

Operation of a NbN-Based Programmable Josephson Voltage Standard Chip with a Compact Refrigeration System

June 1, 2003

Author(s)

A. Shoji, Hirotake Yamamori, Mayumi Ishizaki, Samuel Benz, Paul Dresselhaus

A refrigeration system was designed and constructed for realizing a liquid-He-free programmable Josephson voltage standard. The system is equipped with a two

4K Cryocooler Implementation of a DC Programmable Voltage Standard

June 1, 2003

Author(s)

Charles J. Burroughs, Robert J. Webber, Paul Dresselhaus, Samuel Benz

NIST and Hypres, Inc. have been collaborating to develop a 1 Volt DC programmable Josephson voltage standard (PJVS) that operates on a closed-cycle refrigerator

Virtual Environment for Manipulating Microscopic Particles with Optical Tweezer

June 1, 2003

Author(s)

Yong-Gu Lee, Kevin W. Lyons, Thomas W. LeBrun

In this paper, we use virtual reality techniques to define an intuitive interface to a nanoscale manipulation device. This device utilizes optical methods to

Crystallographic-Orientation-Dependent Dissolution Behavior of Sapphire in Anorthite Liquid Containing Chromia

June 1, 2003

Author(s)

J K. Park, D H. Kim, H Y. Lee, J Blendell, C A. Handwerker

Sapphire single crystals were imbedded in anorthite powders containing Cr 2O 3 and then heat-treated at 1600 degrees C. The resultant morphologies of sapphire

Comparative Studies of MgB₂/Mg Nano-Composites and Press-Sintered MgB₂ Pellets

June 1, 2003

Author(s)

Q Li, L Wu, Y Zhu, A R. Moodenbaugh, G Gu, M Suenaga, Z X. Ye, Daniel A. Fischer

We present our studies of superconducting and microstructural properties of bulk MgB 2/Mg nano-composites and press-sintered MgB 2. TEM investigation revealed

Localized Ferromagnetic Resonance in Inhomogeneous Thin Films

June 1, 2003

Author(s)

Robert McMichael, A Kunz, D J. Twisselmann

The effect of sample inhomogeneity on the ferromagnetic resonance line width is determined by diagonalization of a spin wave Hamiltonian for ferromagnetic thin

Transmission Measurements in Wedge-Shaped Absorbing Samples: An Experiment for Observing Negative Refraction

June 1, 2003

Author(s)

M Sanz, A Papageorgopoulos, William F. Egelhoff Jr., M Nieto-Vesperinas, N Garcia

We report experiments of light transmissivity at wavelengths: 532 and 400 nm, through an Au film with a wedge shape. Our results mimic the negative refraction

Kinetic Pathway of the Bilayered-Micelle to Perforated-Lamellae Transition

June 1, 2003

Author(s)

Haonan Wang, M P. Nieh, Erik K. Hobbie, Charles J. Glinka, J Katsaras

Near-edge x-ray absorption fine structure (NEXAFS) spectroscopy was used to meausre simultaneously the relaxation rates of polystyrene (PS) molecules at the

Interpreting the Signal From a Localized Fluorescence Sensor: A Study By Angle Resolved-XPS and Dynamic SIMS

June 1, 2003

Author(s)

D L. Woerdeman, W Ou, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Richard~undefined~undefined~undefined~undefined~undefined Parnas

Angle-resolved X-ray Photoelectron Spectroscopy (XPS) and Dynamic Secondary Ion Mass Spectroscopy (DSIMS) experiments were conducted to assess the interactions

Probing Hydrogen Bond Potential Surfaces for Out-of-Plane Geometries: Near-infared Combination Band Torsional (Ņ₆) Spectroscopy in (HCI)₂

June 1, 2003

Author(s)

M Farnik, S Davis, David Nesbitt

High resolution near IR spectra of jet cooled (HCL) 2 are obtained in the 3000 cm -1 to 2070 cm -1 combination band region corresponding to simultaneous

Inter- and Intergenerational Transmission of a Human Mitochondrial DNA Heteroplasmy Among 13 Maternally-Related Individuals and Differences Between and Within Tissues in Two Family Members

June 1, 2003

Author(s)

Koji Sekiguchi, K Kasai, Barbara C. Levin

The transmission of a C16,291C/T heteroplasmy in the HV1 region of human mitochondrial DNA (mtDNA) was examined in buccal cells from 13 maternally-related

Fabricating NIS tunnel junctions on single crystal superconducting substrate by a lithographic process

June 1, 2003

Author(s)

Anna Clark, Marcel L. van den Berg, Joel Ullom

We present a novel design for a solid-state microrefrigerator using Normal-Insulator-Superconductor (NIS) tunnel junctions. Cooling of the normal electrode is

Noise amplification during supercontinuum generation in microstructure fiber

June 1, 2003

Author(s)

Nathan R. Newbury, Brian Washburn, Kristan L. Corwin, R Windeler

Supercontinua generated by femtosecond pulses launched in microstructure fiber can exhibit significant low-frequency (

Was this page helpful?