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Journals

Spinor Dynamics in an Antiferromagnetic Spin-1 Condensate

August 16, 2007

Author(s)

A T. Black, Eduardo Gomez, Lincoln Turner, Sebastian Jung, Paul D. Lett

We observed coherent spin oscillations in an antiferromagnetic spin-1 Bose-Einstein condensate of sodium. The variation of the spin oscillations with magnetic...

A Study of Comparability in AFLP Profiling Using a Simple Model System

August 15, 2007

Author(s)

Lina Partis, M J. Burns, Koichi Chiba, Ph Corbisier, Marcia J. Holden, J. Wang, Qing Y. Liu, Tomoya Okunishi, Sang-Ryoul Park, Maxim Vonsky, K R. Emslie

A simple AFLP model, using the relatively small bacteriophage lambda genome, was developed to test the reproducibility of this technique in an international...

An Electrical Method for Measuring Fatigue and Tensile Properties of Thin Films on Substrates

August 15, 2007

Author(s)

Robert Keller, Nicholas Barbosa, Roy H. Geiss, David T. Read

A novel approach for measuring thermal fatigue lifetime and ultimate strength of patterned thin films on substrates is presented. The method is based on...

Demonstration of high-performance chip-scale magnetic shields

August 14, 2007

Author(s)

Elizabeth A. Donley, Eleanor Hodby, Leo W. Hollberg, John E. Kitching

We have designed and tested a set of five miniature nested magnetic shields constructed of high-permeability material, with volumes ranging from 0.01 to 2.5 cm...

Relaxation Behavior of Polymer Structures Fabricated by Nanoimprint Lithography

August 14, 2007

Author(s)

Yifu Ding, Hyun Wook Ro, Thomas A. Germer, Jack F. Douglas, Brian C. Okerberg, Alamgir Karim, Christopher L. Soles

We study the decay of the imprinted polystyrene (PS) patterns under thermal annealing using light diffraction. The first order diffraction intensity from the...

Selectable Resistance-Area Product by Dilute Highly Charged Ion Irradiation

August 13, 2007

Author(s)

Joshua M. Pomeroy, Holger Grube, A C. Perrella, John D. Gillaspy

In order to provide high performance read heads for future hard drive densities, considerable effort worldwide has been invested in developing techniques for...

Instability of Flatband Voltage in HfO2 Gate Stack Structures under Reducing/Oxidizing Annealing Conditions

August 13, 2007

Author(s)

K Ohmori, P Ahmet, M Yoshitake, T Chikyow, K Shiraishi, K Yamabe, H Watanabe, Y Akasaka, Kao-Shuo Chang, Martin L. Green, K Yamada

We have applied a combinatorial approach to fabricate work function (WF) tuned Pt-W alloy films and used the films as metal electrodes for HfO2/SiO2/Si...

Optical Lattice Polarization Effects on Magnetically Induced Atomic Clock Transitions

August 10, 2007

Author(s)

A. V. Taichenachev, V. I. Yudin, Christopher W. Oates

We derive the frequency shift for a forbidden optical transition $J$=0$\to$$J$=0 caused by the simultaneous action of an elliptically polarized lattice field...

Controlled Protein Release From High-Strength Calcium Phosphate Cement-Chitosan Composites

August 9, 2007

Author(s)

Michael Weir, Hockin D. Xu

Calcium phosphate cement (CPC) can conform to complex cavity shapes and set in situ to form bioresorbable hydroxyapatite. The aim of this study was to develop a...

Spectroscopic Determination of Phase in Tetragonally Strained Ba_0.5Sr_0.5TiO₃ Films at Room Temperature

August 9, 2007

Author(s)

L M B Alldredge, Joseph Woicik, W Chang, S W. Kirchoefer, J M. Pond

Sputter-deposited Ba0.5Sr0.5TiO3 films on MgO(001) substrates with either in-plane (c a) tetragonal lattice distortions were characterized by polarization...

Nanoscale measurements of Poisson's ratio with contact-resonance atomic force microscopy

August 9, 2007

Author(s)

Donna C. Hurley, J Turner

We describe contact-resonance atomic force microscopy (AFM) methods to quantitatively measure Poisson's ratio v or shear modulus G at the same time as Young's...

Coupling Nanowire Chemiresistors With Microhotplate Platforms for Advanced Gas Sensing

August 6, 2007

Author(s)

Douglas C. Meier, Stephen Semancik, Bradley Button, Eugene Strelcov, Andrei Kilmakov

Recent advances in nanotechnology have yielded new materials and structures that offer great potential for improving sensitivity, selectivity and stability of...

Accommodation of Transformation Strains in Transverse Multiferroic Nanostructures CoFe2O4-PbTiO3

August 6, 2007

Author(s)

Julia Slutsker, Jianhua Li, Zhuopeng Tan, Alexander L. Roytburd

Correlated photon-pair generation in reverse-proton-exchange PPLN waveguides with integrated mode demultiplexer at 10 GHz clock

August 6, 2007

Author(s)

Qiang Zhang, Xiuping Xie, Hiroki Takesue, Sae Woo Nam, Carsten Langrock, M. M. Fejer, Yoshihisa Yamamoto

We report 10-ps correlated photon pair generation in periodically-poled reverse-proton-exchange lithium niobate waveguides with integrated mode demultiplexer at...

Classical Radionuclidic Calorimetry

August 2, 2007

Author(s)

Ronald Colle

This brief survey summarizes the principles and practice of classical isothermal microcalorimetry for the primary standardization of the activity of...

Interactions of Dispersive Shock Waves

August 2, 2007

Author(s)

Mark Hoefer, Mark J. Ablowitz

Interactions and collisions of dispersive shock waves in defocusing (repulsive) nonlinear Schrodinger-type systems are investigated analytically and numerically...

Permanent-Magnet-Free Stabilization and Sensitivity Tailoring of Magneto-resistive Field Sensors

August 2, 2007

Author(s)

Sean Halloran, Fabio C. da Silva, Hamid Z. Fardi, David P. Pappas

In this work, we have exploited the coupling across a ruthenium spacer between a ferromagnetic layer and an antiferromagnetic layer to stabilize the...

Permanent-Magnet-Free Stabilization and Sensitivity Tailoring of Magneto-resistive Field Sensors

August 2, 2007

Author(s)

Sean Halloran, Fabio C. da Silva, Hamid Z. Fardi, David P. Pappas

In this work, we have exploited the coupling across a ruthenium spacer between a ferromagnetic layer and an antiferromagnetic layer to stabilize the...

Texture and Phase Analysis of a Ca3Co4O9/Si (100) Thermoelectric Film

August 1, 2007

Author(s)

Winnie K. Wong-Ng, Y F. Hu, Mark D. Vaudin, B He, Makoto Otani, N D. Lowhorn, Q Li

First Principles Phase Diagram Calculations for the Systems NaNbO3-KNbO3: Can Spinodal Decomposition Generate Relaxor Ferroelectricity?

August 1, 2007

Author(s)

Benjamin P. Burton, Takeshi Nishimatsu

Joining veneers to ceramic cores and dentition with adhesive interlayers

August 1, 2007

Author(s)

James J. Lee, Jae Kwon, Sanjit Bhowmick, I Lloyd, Brian R. Lawn

Theta-Like Specimens for Measuring Mechanical Properties at the Small-Scale: Effects of Non-Ideal Loading

August 1, 2007

Author(s)

David L. Henann, L F. Ma

Confidence Through Comparing Vector Network Analyzer Measurements - The ARFTG Measurement Comparison Program

August 1, 2007

Author(s)

Ronald A. Ginley

This paper describes the ARFTG scattering parameter Measurement Comparison Program (MCP) which is supported by NIST. The ARFTG MCP is designed specifically to...

Key nonlinear measurement events

August 1, 2007

Author(s)

Catherine A. Remley, Dominique Schreurs

In this article, we describe two engineer-friendly events - the Automatic RF Techniques Group (ARFTG) Nonlinear Measurements Workshop and the Nonlinear Vector...

The ARFTG Nonlinear Measurements Workshop and NVNA Users Forum

August 1, 2007

Author(s)

Kate Remley, Dominique Schreurs

This paper introduces readers to two informal meetings where microwave engineers can learn techniques, share experiences, and discuss the latest research in...

Reference Viscosities of H₂, CH₄, Ar and Xe at Low Densities

August 1, 2007

Author(s)

E May, Robert F. Berg, Michael R. Moldover

We determined the zero-density viscosity eta of hydrogen, methane and argon in the temperature range 200 K to 400 K, with standard uncertainties of 0.084 % for...

High Accuracy Dual Lens Transmittance Measurements

August 1, 2007

Author(s)

J Cheung, James Gardner, Alan L. Migdall, Sergey Polyakov, Michael Ware

We show how to determine the transmittance of short focal length lenses (f 19 mm, in this case) with an uncertainty of 1 part in 103 or better by measuring...

Comparison of the Currents Induced on an EUT in a TEM Cell to Those Induced in a Free-Space Environment

August 1, 2007

Author(s)

Per E. Fornberg, Christopher L. Holloway

The finite-difference time-domain (FDTD) method is used to investigate whether the currents induced on equipment under test (EUT) in a transverse...

Surface Grafting of Polypyrrole onto Silicon Wafers

August 1, 2007

Author(s)

Daeson Sohn, Hyoseung Moon, Michael J. Fasolka, Naomi Eidelman, Sang-Mo Koo, Curt A. Richter, Eun S. Park, Joseph Kopanski, Eric J. Amis

A micromolding technique in capillaries was adapted to make uniform patterns of polypyrrole (Ppy), and the conductivities of the patterns were measured by...

Synchrotron X-ray Based Characterization of ZdZnTe Crystals

August 1, 2007

Author(s)

Martine Duff, Douglas Hunter, Patterson Nuessle, David R. Black, H E. Burdette, Joseph Woicik, Arnold Burger, Michael Groza

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