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Journals

Absolute Frequency Measurement of the Iodine-Stabilized He-Ne Laser at 633 nm

January 1, 2001

Author(s)

T H. Yoon, J Ye, John L. Hall, J M. Chartier

The absolute frequency of an iodine-stabilized He-Ne laser at 633 nm stabilized on the I (or a 13) component of the 11-5 R(127) hyperfine transition of the 127I...

Synchronization and Phase Lock of Two Mode-Locked Femtosecond Lasers

January 1, 2001

Author(s)

R K. Shelton, L -. Ma, H C. Kapteyn, M M. Murnane, J L. Hall, Jun Ye

Two independent mode-locked femtosecond lasers are synchronized to an unprecedented precision. The rms timing jitter between the lasers is 4.3 fs observed...

A Suspended Fabry-Perot Interferometer for Determining the Newtonian Constant of Gravitation

January 1, 2001

Author(s)

Harold V. Parks, D S. Robertson, A M. Pattee, J E. Faller

Of all the fundamental constants of nature, the Newtonian constant of gravitation, G, has been one of the most difficult to measure. The current CODATA value of...

Cold Atomic Collisions Studied by Molecular Spectroscopy

January 1, 2001

Author(s)

C Samuelis, Eite Tiesinga, T Laue, M Elbs, H Knockel, E Tiemann

We observe bound states just below the dissociation limit and shape and Feshback resonances between the ground state hyperfine asymtotes by Raman spectroscopy...

Separation of Inner Shell Vacancy Transfer Mechanisms in Collisions of Slow Ar¹⁷⁺ Ions with SiO₂

January 1, 2001

Author(s)

E Takacs, Z Ber nyi, John D. Gillaspy, L P. Ratliff, Ronaldo Minniti, J Pedulla, R Deslattes, N Stolterfoht

We have studied the spectrum of x-rays emitted when hydrogen-like argon ions impact silicon dioxide surfaces. Specifically, we were interested in the mechanism...

Bias in the Introduction of Variation as an Orienting Factor in Evolution

January 1, 2001

Author(s)

L Y. Yampolsky, Arlin Stoltzfus

According to New Synthesis doctrine, the direction of evolution is determined by selection and not by internal causes that act by way of propensities of...

'Supercritical Water' Density Effects on the Rate of Isopropanol Dehydration

January 1, 2001

Author(s)

V I. Anikeev, Jeffrey A. Manion, A Ermakova

A new experimental procedure for studying the kinetics and thermodynamics of chemical reactions in supercritical fluids-solvents was suggested. The kinetics and...

Kinetics of Reactions of H Atoms With Methane and Chlorinated Methanes

January 1, 2001

Author(s)

M G. Bryukov, I R. Slagle, Vadim D. Knyazev

The reactions of H atoms with methane, four chlorinated methanes, and isobutene have been studied experimentally using the Discharge Flow / Resonance...

Conformation and Dynamics of Abasic Sites in DNA Investigated by Time-Resolved Fluorescence of 2-Aminopurine

January 1, 2001

Author(s)

E L. Rachofsky, E Seibert, J T. Stivers, R Osman, J B. Ross

asic sites are highly mutagenic lesions in DNA that arise as intermediates in the excision repair of modified bases. These sites are generated by the action of...

Ultrastable Laser Array at 633 nm for Real-Time Dimensional Metrology

January 1, 2001

Author(s)

Y Lecoq, J Pedulla, John Lawall

We describe a laser system for very high-accuracy dimensional metrology. A sealed-cavity helium-neon laser is offset-locked to an iodine-stabilized laser in...

Application of Ion-Impact Energy Measurement to Electrospray Ionization Mass Spectrometry of Proteins and Protein Mixtures

January 1, 2001

Author(s)

B. Neuhauser, Gene C. Hilton, John M. Martinis

We have used normal metal-insulator-superconductor (NIS) microcalorimeter to measure the impact energy of protein ions produced by electrospray ionization (ESI)...

Magnetic Combinatorial Thin-Film Libraries

January 1, 2001

Author(s)

Stephen E. Russek, William E. Bailey, G A. Alers

Magnetic combinatorial libraries have been fabricated to investigate complex magnetic thin-film systems and to provide test systems to develop on-wafer...

Developmental validation of the VersaPlex™ 27PY system

January 1, 2001

Author(s)

Kristy Lenz, Dawn Rabbach, Chao Liu, Quyi Xu, Ying Zeng, Becky Steffen, Douglas Storts

The VersaPlex™ 27PY System is an STR multiplex from Promega offering co-amplification of 27 loci. This six-dye multiplex was designed for casework samples and...

Multiplexed Readout of Superconducting Bolometers

December 31, 2000

Author(s)

D. J. Benford, C. A. Allen, James A. Chervenak, M. M. Freund, A. S. Kutyrev, S. H. Mosely, Rick A. Shafer, Johannes G. Staguhn, Erich N. Grossman, Gene C. Hilton, Kent D. Irwin, John M. Martinis, Sae Woo Nam, Carl D. Reintsema

Studies of astrophysical emission in the far-infrared and submillimeter require large arrays of detectors containing from hundreds to thousands of elements. A...

The Approaching Revolution in X-ray Microanalysis: The Microcalorimeter Energy Dispersive Spectrometer

December 31, 2000

Author(s)

Dale Newbury, David A. Wollman, Gene C. Hilton, Kent D. Irwin, Norman F. Bergren, David A. Rudman, John M. Martinis

Superconducting Transition-Edge-Microcalorimeter X-ray Spectrometer with 2 eV Energy Resolution at 1.5 keV

December 31, 2000

Author(s)

David A. Wollman, Sae Woo Nam, Dale Newbury, Gene C. Hilton, Kent D. Irwin, Norman F. Bergren, Steven Deiker, David A. Rudman, John M. Martinis

We describe the operation and performance of a prototype microcalorimeter ?energy-dispersive? (nondispersive) x-ray spectrometer (mcal EDS) developed at NIST...

Calculation of Tc in a Normal-Superconductor Bilayer Using the Microscopic-Based Usadel Theory

December 31, 2000

Author(s)

John M. Martinis, Gene C. Hilton, Kent D. Irwin, David A. Wollman

The Usadel equations give a theory of superconductivity, valid in the diffusive limit, that is a generalization of the microscopic equations of the BCS theory...

A Mo-Cu Superconducting Transition-Edge Microcalorimeter with 4.5 eV Energy Resolution at 6 keV

December 31, 2000

Author(s)

Kent D. Irwin, Gene C. Hilton, John M. Martinis, Steven Deiker, Norman F. Bergren, Sae Woo Nam, David A. Rudman, David A. Wollman

We describe a superconducting transition-edge microcalorimeter with an energy resolution of 4.5 1 0.1 eV full-width at half-maximum (FWHM) for Mn Kα X-rays from...

Performance of Multiplexed SQUID Readout for Cryogenic Sensor Arrays

December 31, 2000

Author(s)

James A. Chervenak, Erich N. Grossman, Kent D. Irwin, John M. Martinis, Carl D. Reintsema, C. A. Allen, David I. Bergman, S. H. Mosely, Rick A. Shafer

We report on the implementation of a multiplexer that users superconducting quantum interference devices (SQUIDs) to read out low-impedance cryogenic detectors...

1,6-Hexanedithiol Monolayers on Au(111): A Multi-Technique Structural Study

December 29, 2000

Author(s)

T Leung, M Gerstenberg, D J. Lavrich, G Scoles, F Schreiber, G Poirier

Monolayers of 1,6-hexanedithiol [HS(CH 2) 6SH] deposited on Au(111) from the gas phase were characterized by scanning tunneling microscopy (STM), grazing...

CollabLogger: A Tool for Visualizing Groups at Work

December 28, 2000

Author(s)

Emile L. Morse, Michelle P. Steves

The CollabLogger is a visual tool that has been developed to support usability analyses of human-computer interaction in a team environment. The participants in...

Reconstitution of the Pore-Forming Toxin α-Hemolysin in Phospholipid/18-Octadecyl-1-thiahexa(ethylene oxide) and Phospholipid/n-Octadecanethiol Supported Bilayer Membranes

December 26, 2000

Author(s)

S. A. Glazier, David J. Vanderah, Anne L. Plant, H Bayley, Gintaras Valincius, John J. Kasianowicz

Estimation of the Hydrophobic Effect in an Antigen-Antibody Protein-Protein Interface

December 19, 2000

Author(s)

E. J. Sundberg, M. Urrutia, B C. Braden, J. Isern, D. Tsuchiya, B. A. Fields, E Malchiodi, J. Tormo, Frederick P. Schwarz, R A. Mariuzza

Antigen-antibody complexes provide useful models for analyzing the thermodynamics of protein-protein association reactions. We have employed site-directed...

Testing for the Antiphospholipid Syndrome: Importance of IgA Anti-beta 2-glycoprotein I

December 17, 2000

Author(s)

T.P. Greco, Michael D. Amos, A.M. Conti-Kelly, J.D. Naranjo, J.W. Ijdo

Noise-Induced Leakage and Counting Errors in the Electron Pump

December 15, 2000

Author(s)

Richard L. Kautz, Mark W. Keller, John M. Martinis

Computer simulations reveal that the lowest rates of leakage and counting errors observed in the electron pump can be explained by photon-assisted tunneling...

Functionally Discrete Mimics of Light-Activated Rhodopsin Identified Through Expression of Soluble Cytoplasmic Domains

December 15, 2000

Author(s)

N G. Abdulaev, T Ngo, Ruby I. Chen, Z H. Lu, K D. Ridge

Seven-helical integral membrane receptors mediate signal transduction between extracellular stimuli and intracellular signaling cascades. Numerous studies on...

Gradient Search Method for Orbital-Dependent Density-Functional Calculations

December 15, 2000

Author(s)

R Hyman, Mark D. Stiles, A Zangwill

We describe a gradient search method appropriate for electronic structure problems where the energy functionals are explicitly orbital-dependent. The ground...

Gd(0001): A Semi-Infinite Three-Dimensional Heisenberg Ferromagnet With Ordinary Surface Transition

December 11, 2000

Author(s)

C S. Arnold, David P. Pappas

By comparing the surface and bulk magnetizaiton of smooth, well-ordered Gd samples, we show that the surface has an ordinary transition, I.e. a common curie...

Standard Test Data for Estimating Peak Parameter Errors in X-Ray Photoelectron Spectroscopy III. Errors With Different Curve-Fitting Approaches

December 1, 2000

Author(s)

Joseph M. Conny, Cedric J. Powell

We present results in the final part of a three-part of a three-part study employing standard test data (STD) to estimate errors in peak parameters derived from...

Non-collinear Exchange Coupling in Fe/Mn/Fe(001): Insight from Scanning Tunneling Microscopy

December 1, 2000

Author(s)

Daniel T. Pierce, Angela Davies, Joseph A. Stroscio, D Tulchinsky, John Unguris, Robert Celotta

The film growth and morphology of epitaxial Mn films grown on Fe(001) single crystal whiskers measured with scanning tunneling microscopy (STM) provides insight...

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