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Journals

Microfabricated atomic clocks and magnetometers

May 31, 2006

Author(s)

Svenja A. Knappe, P Schwindt, Vladislav Gerginov, V Shah, Hugh Robinson, Leo W. Hollberg, John E. Kitching, Li-Anne Liew, John Moreland

We demonstrate the critical subsystems of compact atomic clocks and magnetometers based on microfabricated physics packages. The clock components have a volume...

ThermoML: New IUPAC Standard for Thermodynamic Data Communications

May 30, 2006

Author(s)

Michael D. Frenkel

This short article provides information about establishment of a new IUPAC standard for thermodynamic data communications, ThermoML.

Imaging Defects in Strained Silicon Thin Films by X-ray Topography

May 29, 2006

Author(s)

David R. Black, Joseph C. Woicik, M Erdtmann, M T. Currie

Enhanced Magnetoresistance Induced by Spin Transfer Torque in Granular Films with a Magnetic Field

May 26, 2006

Author(s)

Tingyong Chen, C Chien, Suber Huang, Mark D. Stiles

Spin-transfer torques (STT) provide a mechanism to alter the magnetic configurations of magnetic heterostructures, a result previously only achieved by an...

Anti-biofouling properties of comblike block copolymers with amphiphilic side chains

May 23, 2006

Author(s)

S Krishman, R Ayothi, A Hexemer, J Finlay, K E. Sohn, R Perry, C K. Ober, E J. Kramer, M E. Callow, J A. Callow, Daniel A. Fischer

Infrared Absorptions of NH₃ (H₂) Complexes Trapped in Solid Neon

May 22, 2006

Author(s)

Marilyn E. Jacox, Warren E. Thompson

When a very small concentration of H2 is added to a Ne:NH3 = 800:1 sample and the resulting mixture is deposited at 4.3 K, a new absorption appears at 4151.1 cm...

Photoassociation Spectroscopy of Ultracold Atoms and the Study of Physicists' Molecules

May 22, 2006

Author(s)

Kevin Jones, Eite Tiesinga, Paul D. Lett, Paul S. Julienne

Photoassociation is the process where two colliding atoms absorb a photon to form an excited molecule. The development of laser cooling techniques for producing...

Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods

May 22, 2006

Author(s)

Sangita S. Kalarickal, Pavol Krivosik, Mingzhong Wu, C E. Patton, Michael Schneider, Pavel Kabos, Thomas J. Silva, John P. Nibarger

Strip line (SL), vector network analyzer (VNA), and pulsed inductive microwave magnetometer (PIMM) techniques were used to measure the ferromagnetic resonance...

Facilitating the Culture of Mammalian Nerve Cells with Polyelectrolyte Multilayers

May 19, 2006

Author(s)

Samuel Forry, Darwin Reyes-Hernandez, Michael Gaitan, Laurie E. Locascio

Time-domain measurements of quasiparticle tunneling rates in a single-Cooper-pair transistor

May 19, 2006

Author(s)

Ofer Naaman, Joe Aumentado

We have measured, in real time, individual quasiparticle tunneling in a single Cooper pair transistor, using rf reflectometry on the supercurrent branch. We...

Development and Evaluation of Methods for Development of Naphthodianthrones and Flavonoids in St. John s Wort

May 19, 2006

Author(s)

F. B. Williams, Lane C. Sander, Stephen Wise, J. Girard

Several major constituents in St. John s Wort were determined for a homogenized plant sample. Three extraction techniques were evaluated: Soxhlet extraction...

Development and Evaluation of Methods for Determination of Naphthodianthrones and Flavonoids in St. John's Wort

May 19, 2006

Author(s)

F. B. Williams, Lane C. Sander, Stephen Wise, J. Girard

X-Ray and Neutron Powder Diffraction Studies of (Ba_1-xSr_x)Y₂CuO₅

May 18, 2006

Author(s)

Zhi Yang, Winnie K. Wong-Ng, James A. Kaduk, Qingzhen Huang, Lawrence P. Cook

This paper reports the results of the crystallography and crystal chemistry investigation of the (Ba1-xSrx)Y2 CuO5 ( green phase ) solid solution series by x...

Soft magnetic layers for low-field-detection magnetic sensors

May 18, 2006

Author(s)

William F. Egelhoff Jr., Robert McMichael, Cindi L. Dennis, Mark D. Stiles, Freemon Johnson, Alexander J. Shapiro, Brian B. Maranville, Cedric J. Powell

We have investigated a wide variety of soft magnetic layers as sense layers for magnetic-field sensors. We find that in thin-film form, some of these soft...

Direct Observation of the ^2d3/2 - ^2d5/2 Ground State Splitting in Xe⁹⁺

May 18, 2006

Author(s)

E Takacs, B Blagojevic, K Makonyi, E O. LeBigot, Csilla Szabo-Foster, Yong Sik Kim, John D. Gillaspy

We have used the NIST Electron Beam Ion Trap to observe a visible line at 598.30(13) nm that corresponds to the 4d9 2D3/2 - 4d9 2D5/2 magnetic dipole transition...

Chapter A.2.1 Photometry, Handbook of Optoelectronics

May 17, 2006

Author(s)

Yoshihiro Ohno

General introduction to photometry, radiometry, and colorimetry is given. The chapter consists of the following sections:1. Introduction2. Basis of Physical...

Formation and propagation of coupled ultraslow optical soliton pairs in a cold three-state double- system

May 17, 2006

Author(s)

Lu Deng, M. G. Payne, Guoxiang Huang, kaijun Jiang

We investigate the simultaneous formation and propagation of coupled ultraslow optical soliton pairs in a cold, lifetime-broadened three-state double- atomic...

Fatigue Resistant Miniature Piezoceramic Actuators

May 17, 2006

Author(s)

Stephanie A. Hooker, Jens Mueller, Clayton Kostelecky, K. Womer

Piezoelectric ceramics are desirable actuator materials for many biomedical applications due to their ability to generate precise, controlled motion with...

Structure, ferromagnetic resonance and permeability of nanogranular fe-Co-B-Ni films

May 16, 2006

Author(s)

Pasquale Massimo, Celegato Federica, Coisson Marco, Magni Alessandro, Perero Sergio, Pavel Kabos, Teppati Valeria, Han Suk Hee, Kim Jongryoul, Lim Sang Ho

The static and microwave magnetic properties of soft nanogranular (Fe0.7)Co0.3)71B22Ni films with a 2T saturation magnetization are presented as a function of...

Phase-stabilized ultrafast lasers signal new era in measurement and research

May 15, 2006

Author(s)

Tara M. Fortier, A Bartels, Scott A. Diddams

The development of short-pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials to generate shorter and...

High-resolution spectroscopic measurements of InGaAs/GaAs self-assembled quantum dots

May 12, 2006

Author(s)

Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman

We report development of two absorption-based spectroscopic methods that have been adapted from atomic physics techniques to elucidate the basic physical...

Characterization of the Skin Orientation of Thermotropic Liquid-Crystalline Copolyester Moldings with Near-Edge X-ray Absorption Fine Structure

May 11, 2006

Author(s)

Robert A. Bubeck, L S. Thomas, S Rendon, W R. Burghardt, A Hexemer, Daniel A. Fischer

The process of injection molding net-shape parts from thermotropic liquid crystalline polymers (TLCPs) results in a skin-core macrostructure. The underlying...

Effect of Self-Assembled Monolayer Film Order on Nanofriction

May 11, 2006

Author(s)

S Sambasivan, S Hsieh, Daniel A. Fischer, Stephen M. Hsu

Self-assembled monolayers (SAMs) have increasingly being explored as potential protective films in devices friction and adhesion. However, accurate...

Probing the Ordering of Semiconducting Fluorene-Thiophene Copolymer Surfaces on Rubbed Polyimide Substrates by Near-Edge X-Ray Absorption Fine Structure

May 11, 2006

Author(s)

L R. Pattison, A Hexemer, E. J. Kramer, Sitaraman Krishnan, P Petroff, Daniel A. Fischer

The temperature-dependent alignment of semiconducting liquid crystalline fluorene-thiophene copolymer (F8T2) thin film surfaces was investigated using the near...

Orientations of Liquid Crystals in Contact With Surfaces That Present Continuous Gradients of Chemical Functionality

May 11, 2006

Author(s)

Brian H. Clare, Kirill Effimenko, Daniel A. Fischer, Jan Genzer, Nicholas L. Abbott

We report the formation of continuous spatial gradients in the density of grafted semifluorinated chains on silicon oxide surfaces by vapor phase diffusion of...

Effects Of Nano-Sized Monocalcium Phosphate Monohydrate Fillers on Ca-and-PO₄-Releasing Dental Composites

May 10, 2006

Author(s)

Hockin D. Xu, Limin Sun, Michael Weir, Shozo Takagi, Laurence C. Chow, B Hockey

Clinical data indicate that secondary caries and restoration fracture are the most common problems facing dental resin composites. The objective of this study...

Virtual Testing of Cement and Concrete

May 10, 2006

Author(s)

Dale P. Bentz, Edward J. Garboczi, Jeffrey W. Bullard, Chiara F. Ferraris, Nicos Martys, Paul E. Stutzman

Concrete is a unique multi-phase, random, complex, and composite material that provides both strength and impermeability to engineered structures. Unlike most...

Investigating the Limits of Chemical Complexity in SgrB2(N): A Rigorous Attempt to Confirm 1,3-Dihydroxyacetone

May 10, 2006

Author(s)

A J. Apponi, D T. Halfen, L M. Ziurys, J M. Hollis, A Remijan, Francis J. Lovas

A targeted search for confirming transitions of 1,3-dihydroxyacetone, (CH2OH)2CO, (hereafter DHA), was made toward SgrB2(N) using the ARO SMT and 12m telescope...

Enzyme Activity to Augment the Characterization of Tethered Bilayer Membranes

May 10, 2006

Author(s)

G Valincius, D J. McGillivray, W Febo-Ayala, David J. Vanderah, John J. Kasianowicz, M Losche

Dental Composites Based on Amorphous Calcium Phosphate Resin Composition/Physicochemical Properties Study

May 9, 2006

Author(s)

Drago Skrtic, Joseph M. Antonucci

This study explores how the resin composition/structure affects the physicochemical properties of copolymers and their amorphous calcium phosphate (ACP)-filled...

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