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Topic Area: Nanomagnetics
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Displaying records 31 to 40 of 218 records.
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31. Current Induced DomainWall Distortions
Topic: Nanomagnetics
Published: 1/1/2006
Authors: Willard C Uhlig, John Unguris
Abstract: We have directly imaged the spin transfer torque induced distortion of domain walls in current carrying ferromagnetic wires. Domain walls ranging from vortex walls in wide (1 m) wires, to transverse walls in narrow (100 nm) wires were studied. Scann ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620005

32. Current induced torques and interfacial spin-orbit coupling: semiclassical modeling
Topic: Nanomagnetics
Published: 5/7/2013
Authors: Paul M Haney, Hyun-Woo Lee, Kyung Jin Lee, Aurelien Manchon, Mark D Stiles
Abstract: Currents passing through bilayer nanowires with a ferromagnetic layer and a non-magnetic layer with strong spin-orbit coupling, excite magnetic dynamics which cannot be explained with standard models. The dynamics appear to require two torques which ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913077

33. Current-Induced Spin-Wave Excitations in a Single Ferromagnetic Layer
Topic: Nanomagnetics
Published: 3/14/2003
Authors: Yi Ji, C Chien, Mark D Stiles
Abstract: Evidence for a current induced spin-transfer torque effect has been investigated in a series of point contacts to single ferromagnetic layers. At specific current densities, abrupt resistance changes, similar to those attributed to current-induced s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620547

34. Current-driven switching in a single exchange-biased ferromagnetic layer
Topic: Nanomagnetics
Published: 7/9/2004
Authors: Tingyong Chen, Yi Ji, C Chien, Mark D Stiles
Abstract: We demonstrate spin-transfer torque effects in a single exchange-biased ferromagnetic layer. A current through a point contact to the exchange-biased Co layer reverses the magnetization of a nanodomain in the layer hysteretically for low applied magn ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620566

35. Current-induced switching in a single exchange-biased ferromagnetic layer
Topic: Nanomagnetics
Published: 5/15/2005
Authors: Tingyong Chen, Yi Ji, C Chien, Mark D Stiles
Abstract: We demonstrate current-induced switching effects in a single exchanged-biased ferromagnetic layer. A nanodomain can be switched within the ferromagnetic layer by a spin polarized current injected through a point contact. The high resistance of the hy ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620570

36. Damping phenomena in Co^d90^Fe^d10^/Ni multilayers and alloys
Topic: Nanomagnetics
Published: 7/6/2011
Authors: Justin M Shaw, Hans T. Nembach, Thomas J Silva
Abstract: We used perpendicular ferromagnetic resonance to measure the damping parameter in Co^d90^Fe^d10^/Ni multilayers over a wide range of layer thicknesses. The magnetic anisotropy within this range varied from in-pane to out-of-plane. We measured (Co^d90 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908393

37. Definition of Ultimate Attainable Spatial Resolution
Topic: Nanomagnetics
Published: 1/1/1989
Author: M Scheinfein
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620325

38. Determination of spin pumping as a source of linewidth sputtered Co^d90^Fe^d10^/Pd multilayers by use of broadband ferromagnetic resonance spectroscopy
Topic: Nanomagnetics
Published: 2/10/2012
Authors: Justin M Shaw, Hans T. Nembach, Thomas J Silva
Abstract: We performed a systematic study of damping in Co^d90^Fe^d10^/Pd multilayers by use of broadband (1‹ 60 GHz) ferromagnetic resonance (FMR) spectroscopy in the perpendicular geometry. The data were fitted with the conventional Landau-Lifshitz equation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909645

39. Determination of the Exchange Coupling Strengths for Fe/Au/Fe
Topic: Nanomagnetics
Published: 10/6/1997
Authors: John Unguris, Robert Celotta, Daniel Thornton Pierce
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620480

40. Direct Imaging of Current Driven Domain Walls in Ferromagnetic Nanostripes
Topic: Nanomagnetics
Published: 5/21/2009
Authors: Willard C Uhlig, Michael J Donahue, Daniel Thornton Pierce, John Unguris
Abstract: To better understand the response of domain walls to current induced spin transfer torques, we have directly imaged the internal magnetic structure of domain walls in current-carrying ferromagnetic nanostripes. Domain wall images were acquired both ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900191



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