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Journals

Mechanisms of Cyclotrimethylenetrinitramine Ion Formation in Desorption Electrospray Ionization

June 10, 2009

Author(s)

Christopher Szakal, Timothy M. Brewer

The general ion chemistry of the explosive molecule cyclotrimethylenetrinitramine (RDX) was studied with an atmospheric pressure ionization mass spectrometer...

Efficient spectroscopy of single embedded emitters using optical fiber taper waveguides

June 9, 2009

Author(s)

Marcelo I. Davanco, Kartik A. Srinivasan

A technique based on using optical fiber taper waveguides for probing single emitters embedded in thin dielectric membranes is assessed through numerical...

3D Imaging of Diatoms with Ion-abrasion Scanning Electron Microscopy

June 9, 2009

Author(s)

Keana C. Scott, Mark Hildebrand, Sang Kim, Dan Shi, Sriram Subramaniam

Ion-abrasion scanning electron microscopy (IASEM) takes advantage of focused ion beams to abrade thin sections from the surface of bulk specimens, coupled with...

Neutron Scattering Studies of LiCoPO₄ & LiMnPO₄

June 9, 2009

Author(s)

W. Tian, Jiying Li, Haifeng Li, Jeffrey W. Lynn, J. L. Zarestky, David Vaknin

LiCoPO 4 (T N approximately equal) 21.8 K ) & LiMnPO 4 (T N approximately equal} 34 K) are antiferromagnetic insulators exhibiting large magnetoelectric effects...

Glutathione Depletion by Buthionine Sulfoximine Induces Oxidative Damage to DNA in Organs of Rabbits in vivo

June 9, 2009

Author(s)

Goksel Gokce, Gonen Ozsarlak, Gulgun Oktay, Guldal Kirkali, Pawel Jaruga, Miral M. Dizdar, Zeliha Kerry

Glutathione (GSH) exists in mammalian tissues in vivo at high concentrations and plays an important protective role against oxidatively induced damage to...

Rubidium Vapor Cell with Integrated Bragg Reflectors for Compact Atomic MEMS

June 9, 2009

Author(s)

Maximillian Perez, Uyen Nguyen, Svenja A. Knappe, Elizabeth Donley, John Kitching, A Shkel

This paper reports on a method for improving the optical efficiency of micro-machined reflectors integrated in rubidium vapor cells for application in atomic...

Substrate-dependent interface composition and charge transport in films for organic photovoltaics

June 9, 2009

Author(s)

David Germack, Calvin Chan, Behrang Hamadani, Lee J. Richter, Daniel A. Fischer, David J. Gundlach, Dean DeLongchamp

The buried interface composition of polymer-fullerene blends is found by near edge X ray absorption fine structure (NEXAFS) spectroscopy to depend on the...

Lambda exonuclease digestion of CGG trinucleotide repeats

June 7, 2009

Author(s)

Richard Conroy, Alan Koretsky, John M. Moreland

Fragile X syndrome and other trinucleotide diseases are characterized by an elongation of a repeating DNA triplet. The ensemble-averaged lambda exonuclease...

Number Fluctuations and Energy Dissipation in Sodium Spinor Condensates

June 5, 2009

Author(s)

Yingmei Liu, Eduardo N. Gomez, Stephen E. Maxwell, Lincoln D. Turner, Eite Tiesinga, Paul D. Lett

We characterize fluctuations in atom number and spin populations in F = 1 sodium spinor condensates. The time evolution of the population fluctuations shows a...

Experimental Compressibilities and Structure Factors of Poly(ethylene glycol)Molecular Masses 2000 to 8000 in Aqueous-Solution

June 5, 2009

Author(s)

Kenneth A. Rubinson

Small-Angle Neutron Scattering (SANS) is a powerful nondestructive technique that can measure simultaneously macroscopic compressibilities of solutions, overall...

Molar Heat Capacity at Constant Volume for Isobutane at Temperatures from (114 to 345) K and at Pressures to 35 MPa

June 4, 2009

Author(s)

Richard A. Perkins, Joe W. Magee

Molar heat capacities at constant volume (C v) were measured with an adiabatic calorimeter for pure isobutane. The high purity of the samples was verified by...

High-brightness, low-noise, all-fiber photon pair source

June 4, 2009

Author(s)

Shellee D. Dyer, Burm Baek, Sae Woo Nam

We demonstrate an all-fiber photon pair source for the critical telecom C-band. We achieve high pair generation rates in excess of 10 MHz while maintaining...

Entangled Mechanical Oscillators

June 4, 2009

Author(s)

John D. Jost, Jonathan Home, Jason Amini, David Hanneke, R. Ozeri, Christopher Langer, John J. Bollinger, Dietrich G. Leibfried, David J. Wineland

Quantum mechanics describes the state and evolution of isolated systems, where entangled and superposition states can be created. Its application to large...

Measurement of the Microwave Nonlinear Response of Combined Ferroelectric-Superconductor Transmission Lines

June 3, 2009

Author(s)

James C. Booth, Nathan D. Orloff, Jordi Mateu

We have fabricated nonlinear transmission lines and resonators that incorporate both distributed nonlinear capacitance and distributed nonlinear inductance in...

Flexible Solution-Processed Memristors

June 3, 2009

Author(s)

Nadine E. Gergel-Hackett, Behrang H. Hamadani, B Dunlap, John S. Suehle, Curt A. Richter, Christina A. Hacker, David J. Gundlach

We have fabricated physically flexible nonvolatile memory devices using inexpensive, room-temperature, solution processing. The behavior of these devices is...

Nonlinear Behavior of Electronic Components Characterized with Precision Multitones from a Josephson Arbitrary Waveform Synthesizer

June 3, 2009

Author(s)

Samuel P. Benz, Ryan C. Toonen

We have extended the application of quantum-based electrical standards from single frequency calibrations to multi-tone tests that can be used to characterize...

Tapered Transmission Lines with Dissipative Junctions

June 3, 2009

Author(s)

Paul D. Dresselhaus, Mike Elsbury, Samuel P. Benz

NIST is optimizing the design of a 10 V programmable Josephson voltage standard so that it uses less microwave power by use of fewer parallel-biased arrays with...

Molar Mass and Related Quantities in the New SI

June 3, 2009

Author(s)

Barry N. Taylor

This Letter addresses the calculation of molar mass and related quantities in the New SI currently under discussion by the International Committee for Weights...

1V and 10V SNS Programmable Voltage Standards for 70 GHz

June 3, 2009

Author(s)

Franz Mueller, Ralf Behr, T. Weimann, Luis Palafox, David I. Olaya, Paul Dresselhaus, Samuel Benz

Programmable Josephson voltage standards (PJVSs) in combination with fast switchable DC current sources have opened up new applications in the field of low...

Microwave Packaging for Voltage Standard Applications

June 3, 2009

Author(s)

Mike Elsbury, Charles J. Burroughs, Paul Dresselhaus, Zoya Popovic, Samuel Benz

Improvements to the packaging of Josephson Volt- age Standard (JVS) circuits have increased operating margins, reliability, and longevity of these systems. By...

Amorphous Nb-Si Barrier Junctions for Voltage Standard and Digital Applications

June 3, 2009

Author(s)

David I. Olaya, Paul Dresselhaus, Samuel Benz, Jon E. Bjarnason, Erich N. Grossman

Amorphous Nb-Si has been previously demonstrated as a Josephson junction barrier material for Nb-based superconducting voltage standard circuits, including both...

Supercontinuum Sources for Metrology

June 2, 2009

Author(s)

John T. Woodward IV, Allan W. Smith, Colleen A. Jenkins, Chungsan Lin, Steven W. Brown, Keith R. Lykke

Supercontinuum (SC) sources are novel laser-based sources that generate a broad, white-light continuum in single mode photonic crystal fibers. Currently, up to...

Radiometer standard for absolute responsivity calibrations from 950 nm to 1650 nm with 0.05% (k = 2) uncertainty

June 2, 2009

Author(s)

George P. Eppeldauer, Howard W. Yoon, Yuqin Zong, Thomas C. Larason, Allan W. Smith, M. Racz

A sphere-input transfer-standard detector has been developed to calibrate detectors and radiometers for absolute spectral power, irradiance, and radiance...

Extension of the NIST spectral responsivity scale to the infrared using improved-NEP pyroelectric detectors

June 2, 2009

Author(s)

George P. Eppeldauer, Jinan Zeng, Howard W. Yoon, Boris Wilthan, Thomas C. Larason, Leonard M. Hanssen

Routine NIST spectral responsivity calibrations are needed for the infrared range. Low NEP pyroelectric radiometers have been developed for traditional...

Measurement of the ultraviolet-induced fluorescence yield from integrating spheres

June 2, 2009

Author(s)

Ping-Shine Shaw, Uwe Arp, Keith R. Lykke

We report theory and measurements of a simple and absolute technique for the determination of the total emitted spectral fluorescence yield inside an...

Absolute Flux Calibration of Stars; Calibration of the Reference Telescope

June 2, 2009

Author(s)

Allan W. Smith, John T. Woodward IV, Colleen A. Jenkins, Steven W. Brown, Keith R. Lykke

Absolute stellar photometry is based on 1970s terrestrial measurements of the star Vega with instruments calibrated using the Planckian radiance from a Cu fixed...

Determination of the Electron Escape Depth for NEXAFS Spectroscopy

June 2, 2009

Author(s)

Daniel A. Fischer, K E. Sohn, M D. Dimitriou, Jan Genzer, C Hawker, E. J. Kramer

Depth profiling using near-edge X-ray absorption fine structure (NEXAFS) spectroscopy was used to determine the carbon atom density as a function of depth by...

Asphaltene Adsorption onto Self-Assembled Monolayers of Mixed Aromatic and Aliphatic Trichlorosilanes

June 2, 2009

Author(s)

Daniel A. Fischer, Saloman Turgman-Cohen, Mathew Smith, P K. Kilpatrick, Jan Genzer

The adsorption of asphaltenes onto flat solid surfaces modified with mixed self-assembled monolayers (SAMs) of aliphatic and aromatic trichlorosilanes with...

CCPR-S1 Supplementary Comparison for Spectral Radiance in the range of 220 nm to 2500 nm

June 2, 2009

Author(s)

Boris Khlevnoy, Victor Sapritsky, Bernard Rougie, Charles E. Gibson, Howard Yoon, Arnold A. Gaertner, Dieter Taubert, Juergen Hartmann

In 1997, the Consultative Committee for Photometry and Radiometry (CCPR) initiated a supplementary comparison of spectral radiance in the wavelength range from...

From the Editor's Desk: Inside the MTT-S Administrative Committee

June 1, 2009

Author(s)

Catherine A. Remley

This is an Editorial for the June, 2009 issue of IEEE Microwave Magazine. Kate Remley, the Editor-in-Chief, writes about timely topics for the members of the...

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