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

Science for Stewardship: Multidisciplinary Research on the USS Arizona

October 12, 2021

Author(s)

Matthew A. Russell, L E. Murphy, D L. Johnson, Timothy J. Foecke, Pamela J. Morris, R Mitchell

The National park Service's Submerged Resources Center and USS Arizona Memorial are conducting and coordinating research directed at understanding the nature...

Hydroxyapatite Formation in a Calcium Phosphate Cement Under Different Storage Conditions

October 12, 2021

Author(s)

S Hirayama, Shozo Takagi, T Ikemi, Laurence Chow

A water-activated self-hardening calcium phosphate cement (CPC) has been the subject of considerable interest in biomaterials research, especially as a bone...

X-Ray Standing Wave Analysis of Overlayer Induced Substrate Relaxation: The Clean and Bi-Covered (110) GaP Surface

October 12, 2021

Author(s)

A Herrera-Gomez, Joseph Woicik, T Kendelewicz, K E. Miyano, W E. Spicer

The relaxation of the surface P atoms, for both the clean and Bi covered GaP (110) surface, was studied with X-Ray Standing Wave Spectroscopy (XSW) using...

Obstruction Model of the Fractional Stokes-Einstein Relation in Glass-Forming Liquids

October 12, 2021

Author(s)

D Leporini, Jack F. Douglas

Diffusion of tracer molecules in glass-forming liquids is modeled in terms of diffusion in an obstructed space. For simplicity the obstructions are taken to be...

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

October 12, 2021

Author(s)

David Henann, Li Ma, Lin-Sien H. Lum

As material structures and devices build from them shrink to the nano-scale, it is ever more difficult to measure accurately mechanical properties and behavior...

Near-Field Intensity Correlations in Semicontinuous Metal-Dielectric Films

October 12, 2021

Author(s)

K Seal, A K. Sarychev, H Noh, D A. Genov, A Yamilov, Vladimir Shalaev, Z C. Ying, H Cao

Spatial intensity correlation functions are obtained from near-field scanning optical microscope measurements of semicontinuous metal-dielectric films. The...

Near-Field Second Harmonic Microscopy of Thin Ferroelectric Films

October 12, 2021

Author(s)

V Smolyaninova, H Y. Liang, C H. Lee, C C. Davis, L D. Rotter, Debra Kaiser

Near-field second harmonic microscopy is ideally suited for studies of local nonlinearity and poling of ferroelectric materials at the microscopic level. Its...

Large Negative Poisson's Ratio for SrTiO3 Thin Films Grown on Si(001

October 12, 2021

Author(s)

F S. Aguirre-Tostado, A Herrera-Gomez, Joseph Woicik, R Droopad, Z Yu, D G. Schlom, E Karapetrova, P Pianetta, C S. Hellberg

The driving force of the semiconductor industry to integrate thin transition-metal oxides with Si transistor technology has led to the development of SrTiO3...

Secondary Phase Evolution in Silicon Nitride During Creep and Heat Treatment

October 12, 2021

Author(s)

F Lofaj, H Gu, A Okada, Sheldon M. Wiederhorn, H Kawamoto

The microstructure of a ytterbia- and yttria-containing grade of silicon nitride, SN 88, was investigated after it had been annealed in nitrogen, in air and...

Ferroics: Magnetic-Compass Lattice and Optical Phonon Dispersions of Dipolar Crystals

October 12, 2021

Author(s)

Takeshi Nishimatsu, U Waghmare, Yoshiyuki Kawazoe, Benjamin P. Burton, Kazutaka Nagao, N. Saito

We report a simple safe and attractive pedagogic demonstration with magnetic compasses that facilitates an intuitive understanding of the concept that...

Conformational Behavior of Guest Polymer Chains in Uniaxially Stretched Polydiethylsiloxane Elastomers: ²H NMR and SANS

October 12, 2021

Author(s)

A Batra, R C. Hedden, P Schofield, A Barnes, C Cohen, T M. Duncan

2H nuclear magnetic resonance (NMR) and small angle neutron scattering (SANS) data are reported for deuterated guest chains of polydiethysiloxane (PDES) in end...

Variational Methods for Microstructural Evolution

October 12, 2021

Author(s)

W Carter, J E. Taylor, John W. Cahn

The application of variational methods and gradient flows to principles of microstructural evolution are reviewed. For the cases considered in this paper...

Local Structure and Dynamics Studied by Force Modulation Spectroscopy and Imaging

October 12, 2021

Author(s)

William J. Price, P K. Kuo, T R. Lee, Z C. Ying, Gang-Yu Liu

Using nanoengineered structures of self-assembled monolayers on gold, asystematic investigation was conducted to study the sensitivity of force modulation AFM...

Surface Morphology Dependent Magnetic Thin Film Growth: Fe on GaN(0001)

October 12, 2021

Author(s)

P Ryan, R A. Rosenberg, D J. Keavney, J W. Freeland, Joseph Woicik

Iron deposition on ordered and disordered GaN (0001) surfaces result in dramatically different magnetic over-layer characteristics. On the ordered surface...

Low Temperature Electronics and Low-Temperature Cofired Ceramics Based Electronic Devices

October 12, 2021

Author(s)

C L. Claeys, Winnie Wong-Ng, K M. Nair

The Pore Structure and Its Impacts on Property and Performance of a Spin-on Porous Low k Dielectric

October 12, 2021

Author(s)

Yiping Liu, Wen-Li Wu, B J. Foran, D Gidley, Hae-Jeong Lee, Barry J. Bauer, B D. Vogt

A methylsilsesquioxane based porous spin-on dielectric has been evaluated at International SEMETCH (ISMT) for advanced interconnect applications. The pore...

X-Ray Diffraciton and the Existence of Long Range Internal Stresses

October 12, 2021

Author(s)

M A. Delos-Reyes, M E. Kassner, Lyle E. Levine

Long range internal stresses (LRIS) are often used to explain various aspects of the mechanical behavior of materials. Recent experiments by the authors...

The Effect of Ultrasonic Vibration of Posts on Root Surface Temperature

October 12, 2021

Author(s)

Andrew Huttula, Patricia Tordik, Glen Imamura, F Eichmiller, Scott McClanahan

This study measured root surface temperature changes when ultrasonic vibration, with and without irrigation, was applied to cemented endodontic posts. Twenty...

Polycrystalline Growth: Dirt Versus Dynamical Heterogeneity

October 12, 2021

Author(s)

L Granasy, T Pusztai, T Borzsonyi, James A. Warren, Jack F. Douglas

Most research into microstructure formation during solidification has focused on single crystal growth forms, ranging from faceted crystals to dendritic growth...

Challenges for Sub-PicoTesla Magnetic-Tunnel-Junction Sensors

October 12, 2021

Author(s)

Robert McMichael, Philip Pong, John Unguris, William F. Egelhoff Jr., A Edelstein, E Nowak, Sean R. Parkin

The extension of small, inexpensive, low-power magnetic sensors into the sub-picoTesla regime, which is currently dominated by fluxgates and SQUIDS, would be a...

Annealing Temperature Dependences of Magnetization Reversal in Exchange Biased Bilayers

October 12, 2021

Author(s)

C G. Lee, V S. Gornakov, B H. Koo, K S. Shin, Robert McMichael, Andrew P. Chen, William F. Egelhoff Jr.

The thermal stability of the hysteretic properties and domain structures of exchange-coupled Co-Fe/Ir-Mn and Ni-Fe/Ir-Mn bilayers was studied. Using the magneto...

Determination of Strain Localization in Aluminum Alloys Using Laser-Induced Photoelectron Emission.

October 12, 2021

Author(s)

M Cai, S C. Langford, Lyle E. Levine, J T. Dickinson

Uniaxial tensile deformation of oxidized aluminum produces low work-function patches of fresh metal that can be probed by measurements of photoelectron emission...

Effects of Sputtering Angle on Surface Roughness, Chemical Composition and Giant Magnetoresistance Properties of NiO and α-Fe₂O₃ Bottom Spin-Valves

October 12, 2021

Author(s)

S Bae, P J. Chen, William F. Egelhoff Jr., J H. Judy

The effects of sputtering angle on surface roughness chemical composition, and giant magnetoresistance (GMR) properties of bottom spin-valves have been...

Comparison of Molecular Weight Moments from MALDI-TOF-MS With Other Absolute Methods on a Standard Reference Polymer

October 12, 2021

Author(s)

Kathleen M. Flynn, William R. Blair, P O. Danis

Matrix Assisted Laser Desorption Ionization (MALDI) Time of Flight (TOF) Mass Spectrometry was used to study the molecular weight distribution (MWD) and the...

Replica of Human Dentin Surfaces Treated With Different Desensitizing Agents: A Methodological SEM Study in Vitro

October 12, 2021

Author(s)

J C. Pereira, A C. Martineli, Ming S. Tung

This is a preliminary study to determine a methodological sequence in vitro which may allow the reproduction of dentin for SEM analysis, after the use of...

Phase Equilibria Diagrams, 1998 Cumulative Index, Volumes I-XII, Annuals 91-'93, High Tc Monographs I-II, Zirconium and Zirconia Systems

October 12, 2021

Author(s)

M Clevinger, C L. Cedeno

The authors and chemical systems indexed in the 1998 Cumulative Index refer the user to all phase diagrams published in the Phase Equilibria Diagrams series up...

Recrystallization Texture and Magnetic Properties of Electrodeposited FePt on Cu(001)

October 12, 2021

Author(s)

Erik B. Svedberg, J Mallett, S Sayan, Alexander J. Shapiro, William F. Egelhoff Jr., Thomas P. Moffat

A near equiatomic FePt fcc alloy has been grown by electrodeposition onto Cu(001). Annealing at 450 (degrees) C results in the onset of a Al fcc to L1(subscript...

Several Thousand-Fold Room Temperature Magnetoresistance in Ni Nanocontacts Made by Self-Terminating Electrodeposition

October 12, 2021

Author(s)

H D. Chopra, S Z. Hua, William F. Egelhoff Jr.

Recently, room temperature magnetoresistance effect as large as 3150% has been reported in electro-deposited Ni nanocontacts. In the present study, a simple...

Estimation of Ion Exchange Layers for Soda-Lime Silicate Glass From Curvature Measurements

October 12, 2021

Author(s)

Theo Fett, J -. Guin, Sheldon M. Wiederhorn

In glasses that contain mobile alkali ions, an ion exchange between protons or hydronium ions in the surrounding aqueous liquid and alkali ions in the glass...

Additive-Containing Rinses for LER and Defectivity Control During High-Resolution Resist Patterning

October 12, 2021

Author(s)

D L. Goldfarb, S D. Burns, M Angelopolous, S Skordas, R L. Burns, M C. Lawson, C J. Brodsky, V Vishnu, E Jablonski, Vivek Prabhu, Ronald L. Jones, B D. Vogt, Christopher Soles, Eric K. Lin, Wen-Li Wu

The addition of a surface conditioning agent to the de-ionized water rinse used to quench the photoresist development process is an attractive methodology that...

Was this page helpful?