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Displaying 53201 - 53225 of 74045

Oxygen as a Surfactant in the Growth of Giant Magnetoresistance Spin Valves

January 1, 1998
Author(s)
P J. Chen, Cedric J. Powell, Mark D. Stiles, Robert McMichael, J Judy, K Takano, A Berkowitz
We have found a novel method for increasing the giant magnetoresistance (GMR) of Co/Cu spin valves with the use of oxygen. Surprisingly, spin valves with the largest GMR are not produced in the best vacuum. Introducing 5x10 -9 Torr (7x10 -7 Pa) into our

Physics Laboratory - Technical Activities 1997

January 1, 1998
Author(s)
K B. Gebbie, William R. Ott
This report summarizes research projects, measurement method developments, calibration and testing services, and data evaluation activities that were carried out during calendar year 1997 in the NIST Physics Laboratory. These activities are in the areas of

Pixel Based Absolute Topography Test for Three Flats

January 1, 1998
Author(s)
R E. Parks, Lianzhen Shao, Christopher J. Evans
We demonstrate a new method of performing the absolute three flat test using reflection symmetries of the surfaces and an algorithm for generating the rotation of arrays of pixel data. Most of the operations involve left/right and top/bottom flips of data

Polarized Light Emission from the Metal-Metal STM Junction

January 1, 1998
Author(s)
Daniel T. Pierce, Angela Davies, Joseph A. Stroscio, Robert Celotta
The polarization of light emitted during inelastic tunneling of electrons into both Au(111) and Fe(001) using W(111) tips in an STM junction has been fully characterized by measuring the Stokes parameters. The emitted light for both Au(111) and Fe(001) is
Displaying 53201 - 53225 of 74045
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