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Displaying 101 - 125 of 3437

Homological Metrics for Microstructure Response Fields in Polycrystals

October 12, 2021
Author(s)
Lin-Sien H. Lum, D M. Saylor, Thomas Wanner
Quantitative homological metrics are proposed for characterizing the thermal-elastic response of calcite-based polycrystals. The characterization is based on topological measurements, such as the number of components and the number of handles of a complex

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 thin-film growth on Si(001). As SrTiO3 represents a large class of oxides with the perovskite

Layer Perfection in Ultrathin, MOVPE-Grown InAs Layers Buried in GaAs(001) Studied by X-Ray Standing Wave and Photoluminescence Spectroscopy

October 12, 2021
Author(s)
J A. Gupta, Joseph Woicik, S P. Watkins, D A. Harrison, E D. Crozier, B A. Karlin
Using the In-L fluorescence produced by normal-incidence X-ray standing waves, we have measured the layer perfection and positions for ML = 1 and 1/2 (where ML = # of mono layers) InAs quantum wells buried in GaAs(001). Growth temperature effects were

Low Temperature Compaction of Nanosize Powders

October 12, 2021
Author(s)
E J. Gonzalez, Gasper J. Piermarini
In recent years there has been a strong interest in the processing of nanosize ceramic powders because of the potential of sintering them at low temperatures and also because ceramic pieces made of nanosize gram structures may exhibit superior mechanical

Nano/Bioscience and Technology Education for the 21st Century

October 12, 2021
Author(s)
J Jacobs, Winnie Wong-Ng, Gale A. Holmes, Richard F. Kayser
NEW:Update 2005, the 20th annual workshops for science and technology educators with the theme, NANO/BIOSCIENCE AND TECHNOLOGY EDUCATION FOR THE 21ST CENTURY, was hosted by the National Institute of Standards and Technology/Materials Science and

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 concentration of metal particles on a dielectric surface is varied over a wide range to control the
Displaying 101 - 125 of 3437