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Displaying 46701 - 46725 of 73929

Order-Disorder Phenomena and Phase Separation

January 1, 2001
Author(s)
Benjamin P. Burton
Order-disorder and phase separation in condensed solutions of two or more components are similar processes that are typically driven by energetics of opposite sign. The components may be: different atomic species in alloys or solid solutions; atoms and

Organic-Inorganic Hybrid Particles by Dendrimer Nanotemplating

January 1, 2001
Author(s)
F Gruhn, Barry J. Bauer, Eric J. Amis
Poly(amidoamine) (PAMAM) dendrimers are used to create organic-inorganic hybrid colloids in aqueous solution. The formation of gold colloids upon reduction of a gold salt precursor serves as a model reaction to study the influence of reaction conditions

Overlay Metrology: Recent Advances and Future Solutions

January 1, 2001
Author(s)
Richard M. Silver, Jay S. Jun, S Fox, Edward A. Kornegay
As devices shrink and clock speeds continue to increase, process control and measurement of I critical dimension linewidths and the essential overlay of features from different photolithographic levels become increasingly important. Improved manufacturing

Oxidation of Ethylene and Acetylene Adsorbed on Si(100) by Atomic Oxygen

January 1, 2001
Author(s)
Maritoni A. Litorja
The oxidation of Si(100) covered with deuterium, ethylene and acetylene by oxygen atoms was studied using Auger electron spectroscopy. Oxygen atoms were generated by vacuum ultraviolet (157 nm) laser photolysis of molecular oxygen. The oxygen uptake is

P-on-N Si Interband Tunnel Diode Grown by Molecular Beam Epitaxy

January 1, 2001
Author(s)
David S. Simons, P Chi, S L. Rommel, T E. Dillon, K D. Hobart, P E. Thompson, P R. Berger
Si interband tunnel diodes have been successfully fabricated by molecular beam epitaxy and room temperature peak-to-valley current ratios of 1.7 have been achieved. The diodes consist of opposing n- and p-type δ-doped injectors separated by an intrinsic Si

PARCS: A Laser-Cooled Atomic Clock in Space

January 1, 2001
Author(s)
Thomas P. Heavner, Leo W. Hollberg, Steven R. Jefferts, Hugh Robinson, Donald Sullivan, F L. Walls, Neil Ashby, W Klipstein, L Maleki, D Seidel, R Q. Thompson, L Young, E Mattison, R Vessot, A Demarchi
Displaying 46701 - 46725 of 73929
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