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Displaying 45776 - 45800 of 74178

Carrier Capture Into InAs/GaAs Quantum Dots via Multiple Optical Phonon Emission

January 1, 2001
Author(s)
J Feldmann, S T. Cundiff, M Arzberger, J Bohm, G Abstreiter
We have performed nondegenerate optical pump-probe experiments with subpicosencond laser pulses to investigate the dynamics of carrier capture into self-assembled InAs/GaAs quantum dots. For low excitation intensities the capture rate depends only slightly

Ceramics Division FY 2000 Programs and Accomplishments

January 1, 2001
Author(s)
Stephen W. Freiman, S J. Dapkunas
The mission of the Ceramics Division is: Work with industry, standards bodies, academia, and other government agencies in providing the leadership for the Nation's measurements and standards infrastructure for ceramic materials. The range of ceramic

CF3I and C2Cl4 on Silicon Surfaces

January 1, 2001
Author(s)
J E. Sanabia
The nature of chemisorbed CF3I and C2Cl4 on silicon surfaces has been studied using a variety of ultra-high vacuum surface-science techniques, including temperature-programmed desorption and electron-stimulated desorption. Thesticking coefficients for both

Chapter 12: Analysis of Individual Collected Particles

January 1, 2001
Author(s)
Robert A. Fletcher, John A. Small, J H. Scott
This chapter describes microscopes and microprobes used for analysis of collected, individual particles. The instruments discussed are the light microscope, electron microscopes (scanning, environmental and transmission), electron microprobes, laser
Displaying 45776 - 45800 of 74178