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Displaying 47226 - 47250 of 74445

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

Partial-Density of Occupied Valence States by X-Ray Standing Waves and High-Resolution Photoelectron Spectroscopy

January 1, 2001

Author(s)

Joseph C. Woicik, E J. Nelson, T Kendelewicz, P Pianetta

We decribe an experimental method by which site-specific valence-electronic structure may be obtained. It utilizes the spatial dependence of the electric-field intensity that results from the superposition of the incident and reflected x-ray beams within

Path Dependent Microstructure Orientation During Plane Strain Compression of Semicrystalline Block Copolymers

January 1, 2001

Author(s)

P Kofinas, P L. Drzal, J D. Barnes

Pattern characterization of deep-ultraviolet photoresists by near-field infrared microscopy

January 1, 2001

Author(s)

B Dragnea, Jan Preusser, J M. Szarko, S R. Leone, W D. Hinsberg

Pauli blocking of collisions in a quantum degenerate atomic fermi gas

January 1, 2001

Author(s)

B Demarco, S B. Papp, D S. Jin

PBX vulnerability analysis ::finding holes in your PBX before someone else does

January 1, 2001

Author(s)

D Richard Kuhn

PENTRAN Modeling for Design and Optimization of the Spherical-Shell Transmission Experiments

January 1, 2001

Author(s)

V Kucukboyaci, A Haghighat, J M. Adams, Allan D. Carlson, S M. Grimes, T N. Massey

Periodic Table: Atomic Properties of the Elements, Version 2

January 1, 2001

Author(s)

Robert A. Dragoset, Arlene Musgrove, Charles W. Clark, William C. Martin

Periodically Poled BaMgF 4 for Ultraviolet Frequency Generation

January 1, 2001

Author(s)

S C. Buchter, C Y. Fan, V Lieberman, J J. Zayhowski, M Rothschild, E J. Mason, A Cassanho, H P. Jenssen, John H. Burnett

Persistent chlorinated compounds and elements in tissues of Cook Inlet Beluga Whales, Delphinapterus leucas, banked by the Alaska Marine Mammal Tissue Archival Project:

January 1, 2001

Author(s)

Paul R Becker, Rebecca S Pugh, Michele M Schantz, Elizabeth A Mackey, Rabia Demiralp, Michael S Epstein, Mary Kate Donais, Barbara J Porter, Stephen A Wise, Barbara A Mahoney

Perspectives on the Needs for Biomedical Materials and Device Standards

January 1, 2001

Author(s)

Lisa R. Karam, D S. Hall, J A. Tesk

Perspectives on the Needs for Biomedical Materials and Device Standards

January 1, 2001

Author(s)

Lisa R. Karam, D S. Hall, J A. Tesk

Phase Behavior of Polymer Nanocomposite Thin Films

January 1, 2001

Author(s)

K Yurekli, R Krishnamoorti, Alamgir Karim

Phase Identification of Individual Crystalline Particle by Electron Backscatter Diffraction

January 1, 2001

Author(s)

John A. Small, J R. Michael

Recently, an electron backscatter diffraction (EBSD) system was developed that uses a 1024 x 1024 CCD camera coupled to a thin phosper. This camera has been shown to produce excellent EBSD patterns. In this system, crystallographic information is

Phase Identification of Individual Crystalline Particles by Electron Backscatter Diffraction

January 1, 2001

Author(s)

John A. Small, J R. Michael

Recently, an electron backscatter diffraction EBSD system was developed that uses a 1024 x 1024 CCD camera coupled to a thin scintillator rather than photographic film. In this system, crystallagraphic information is determined and coupled with the

Phase Inversion of Polybutadiene/Polyisoprene Blends Under Quiescent and Shear Conditions

January 1, 2001

Author(s)

H Jeon, A Nakatani, Erik K. Hobbie, Charles C. Han

We investigate the effect of phase inversion on the domain morphology and rheological properties of phase-separated polybutadiene/polyisoprene blends using optical microscopy, light scattering, and rheometry. Two different blends, low-vinyl polybutadiene