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Topic Area: Nanomagnetics

Displaying records 141 to 150 of 217 records.
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141. STM Studies of GMR Spin Valves
Topic: Nanomagnetics
Published: 1/1/1995
Authors: R Misra, T Ha, Y Kadmon, Cedric John Powell, Mark D Stiles, Robert D McMichael
Abstract: We have investigated the surface roughness and the grain size in giant magnetoresistance (GMR) spin valve multilayers of the general type: FeMn/Ni^d80^Fe^d20^/Co/Cu/Co/Ni^d80^ Fe^d20^ on glass and aluminum oxide substrates by scannin tunneling micro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620459

142. Effects of Interfacial Roughness on the Magnetoresistance of Magnetic Metallic Multilayers
Topic: Nanomagnetics
Published: 1/1/1994
Authors: R Hood, L Falicov, David R. Penn
Abstract: The Boltzmann equation is solved for a system consisting of a ferromagnetic-normal-metallic multilayer. The in-plane magnetoresistance of Fe/Cr and Fe/Cu superlattices is calculated for (1) varying interfacial geometric random roughness with no late ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620429

143. Hot Electron Spin-Valve Effect in Coupled Magnetic Layers
Topic: Nanomagnetics
Published: 1/1/1994
Authors: Robert Celotta, John Unguris, Daniel Thornton Pierce
Abstract: SEMPA observations of magnetic exchange coupling in the Fe/Ag/Fe, Fe/Au/Fe, and Fe/Cr/Fe systems reveal an intensity variation in the emitted secondary electron signal that depends only on whether the Fe layers are coupled in a ferromagnetic or antif ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620426

144. Influence of Cr Growth on Exchange Coupling in Fe/Cr/Fe(100)
Topic: Nanomagnetics
Published: 1/1/1994
Authors: Daniel Thornton Pierce, Joseph A Stroscio, John Unguris, Robert Celotta
Abstract: Scanning electron microscopy with polarization-analysis (SEMPA) measurements of the dependence of the oscillations of the exchange coupling in Fe/Cr/Fe(100) structures on the Cr growth temperature are correlated with the thickness fluctuations in Cr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620436

145. Investigation of Exchange Coupled Magnetic Layers by Scanning Electron Microscopy with Polarization Analysis (SEMPA)
Topic: Nanomagnetics
Published: 1/1/1994
Authors: Daniel Thornton Pierce, John Unguris, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620415

146. Oscillatory Exchange Coupling in Fe/Au/Fe(100)
Topic: Nanomagnetics
Published: 1/1/1994
Authors: John Unguris, Robert Celotta, Daniel Thornton Pierce
Abstract: Scanning electron microscopy with polarization analysis was used to investigate the interlayer exchange coupling in Fe/Au/Fe(100) sandwich structures. The films were epitaxially grown on single-crystal Fe(100) substrates. Electron diffraction measure ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620430

147. Exchange Coupling in Magnetic Heterostructures
Topic: Nanomagnetics
Published: 1/1/1993
Author: Mark D Stiles
Abstract: Many structures consisting of magnetic layers separated by a nonmagnetic spacer layer show an oscillatory exchange coupling. This behavior is explained in terms of a simple model that shows that the Fermi surface of the spacer layer material is resp ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620421

148. Magnetic Moments in Cr Thin Films on Fe(100)
Topic: Nanomagnetics
Published: 1/1/1993
Authors: Daniel Thornton Pierce, Robert Celotta, John Unguris
Abstract: The magnetism at the surface of a Cr film grown epitaxially on a Fe(100) whisker is observed as a function of Cr thickness by scanning electron microscopy with polarization analysis. Use of a wedge-shaped film of linearly increasing thickness allows ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620414

149. Oscillatory Magnetic Coupling in Fe/Ag/Fe(100) Sandwich Structures
Topic: Nanomagnetics
Published: 1/1/1993
Authors: John Unguris, Robert Celotta, Daniel Thornton Pierce
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620418

150. Magnetism in Cr Thin Films on Fe(100)
Topic: Nanomagnetics
Published: 1/1/1992
Authors: John Unguris, Robert Celotta, Daniel Thornton Pierce
Abstract: The spin polarization of secondary electrons from a Cr film on Fe(100), measured with scanning electron microscopy with polarization analysis, oscillates as a function of Cr thickness with a period near two atomic layers, consistent with incommensura ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620406



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