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NIST Authors in Bold

Displaying 46651 - 46675 of 73697

Surface and interface effects in the growth of giant magnetoresistance spin valves for ultrahigh-density data-storage applications

January 1, 2001
Author(s)
William F. Egelhoff Jr., P J. Chen, Cedric J. Powell, Robert McMichael, Mark D. Stiles
The current generation of hard disk drives use Giant Magnetoresistance (GMR) spin valves as the read-head because the GMR effect is currently the most sensitive way to detect magnetic fields at submicron length scales and data rates of approximately equal}

Synchronization and Phase Lock of Two Mode-Locked Femtosecond Lasers

January 1, 2001
Author(s)
R K. Shelton, L -. Ma, H C. Kapteyn, M M. Murnane, J L. Hall, Jun Ye
Two independent mode-locked femtosecond lasers are synchronized to an unprecedented precision. The rms timing jitter between the lasers is 4.3 fs observed within a 160 Hz bandwidth a 160 Hz bandwidth over tens of seconds, or 26 fs within a 50 kHz bandwidth

Technologies for Condition-Based Maintenance of Machine Tools

January 1, 2001
Author(s)
M A. Donmez, Kari K. Harper, Kang B. Lee
NIST has embarked upon a research effort to advance the capabilities and promote the continued growth of condition-based maintenance (CBM) technologies for the discrete-parts manufacturing industry. This research is focused on providing an alternative to

Temperature Monitoring of Capillary Rheometry Using a Fluorescence Technique

January 1, 2001
Author(s)
Anthony J. Bur, S C. Roth, H Lobo
A non-contact temperature monitoring technique based on fluorescence spectroscopy was used to measure the temperature of a polymer resin during capillary rheometry testing. Polyethylene doped with a fluorescent dye, perylene, was used in experiments that

Tensile Creep in the Next Generation Silicon Nitride

January 1, 2001
Author(s)
F Lofaj, Sheldon M. Wiederhorn, Gabrielle G. Long, P R. Jemian
The tensile creep behavior of a Lu-containing silicon nitride (SN 281) was characterized in the temperature range of 1350oC to 1550oC for test periods up to 10000h. For the same test conditions, the minimum strain rates were several orders of magnitude

Textile Composites: Modeling Strategies

January 1, 2001
Author(s)
S V. Lomov, G Huysmans, Y Luo, Richard~undefined~undefined~undefined~undefined~undefined Parnas, A Prodromou, I Verpoest, Frederick R. Phelan Jr.
Textile materials are characterised by the distinct hierarchy of structure, which should be represented by a model of textile geometry and mechanical behaviour. In spite of a profound investigation of textile materials and a number of theoretical models

Textile Composites: Modelling Strategies

January 1, 2001
Author(s)
S V. Lomov, G Huysmans, Y Luo, Richard~undefined~undefined~undefined~undefined~undefined Parnas, A Prodromou, I Verpoest, Frederick R. Phelan Jr.

The Ampere and Electrical Standards

January 1, 2001
Author(s)
Randolph Elmquist, Marvin E. Cage, Yi-hua D. Tang, Anne-Marie Jeffery, Joseph R. Kinard Jr., Ronald F. Dziuba, Nile M. Oldham, Edwin R. Williams
This paper describes some of the major contributions to metrology and physics made by the NIST Electricity Division, which has existed since 1901. It was one of the six original divisions of the National Bureau of Standards. The Electricity Division
Displaying 46651 - 46675 of 73697
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