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Topic Area: Nanomagnetics
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Displaying records 161 to 170 of 217 records.
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161. Scanning Electron Microscopy with Spin-Polarization Analysis - SEMPA
Topic: Nanomagnetics
Published: 1/1/1987
Authors: Robert Celotta, John Unguris, Daniel Thornton Pierce
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620286

162. Self-consistent calculation of spin transport and magnetization dynamics
Topic: Nanomagnetics
Published: 10/10/2013
Authors: Kyung Jin Lee, Mark D Stiles, Hyun-Woo Lee, Jung-Hwan Moon, Kyoung-Whan Kim, Seo--Won Lee
Abstract: A spin-polarized current transfers its spin-angular momentum to a local magnetization, exciting various types of current-induced magnetization dynamics. So far, most studies in this field have focused on the direct effect of spin transport on magneti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912217

163. Size Dependent Transition from Shape to Exchange Dominated Magnetic Nanostructures in Patterned Zigzags
Topic: Nanomagnetics
Published: 4/17/2006
Authors: Willard C Uhlig, John Unguris
Abstract: In order to quantitatively investigate the interplay between shape anisotropy (magnetostatics) and exchange, patterned zigzag structures were prepared with sizes varying over two orders of magnitude. The magnetic state is a balance between shape anis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620573

164. Soft magnetic layers for low-field-detection magnetic sensors
Topic: Nanomagnetics
Published: 5/18/2006
Authors: William F. Egelhoff Jr., Robert D McMichael, Cindi L Dennis, Mark D Stiles, Freemon Johnson, Alexander J. Shapiro, Brian B. Maranville, Cedric John Powell
Abstract: We have investigated a wide variety of soft magnetic layers as sense layers for magnetic-field sensors. We find that in thin-film form, some of these soft materials can have susceptibilities (?) approaching those of the corresponding bulk material. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620582

165. Solution of the Boltzmann Equation Without the Relaxation Time Approximation
Topic: Nanomagnetics
Published: 5/15/1999
Authors: David R. Penn, Mark D Stiles
Abstract: A method is presented for solving the spatially varying Boltzmann equation without the relaxation time approximation. The solution is compared with that obtained using the relaxation time approximation for free electron solids in the presence of bo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620508

166. Spectroscopic defect imaging in magnetic nanostructure arrays
Topic: Nanomagnetics
Published: 7/25/2012
Authors: Han-Jong H. Chia, Feng Guo, Lyubov Belova, Robert D McMichael
Abstract: We report a demonstration of spectroscopic defect imaging in an array of ferromagnetic structures using ferromagnetic resonance force microscopy (FMRFM). The arrray of 200 nm diameter circular dots includes a single oval-shaped ,defect.Š The techni ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910697

167. Spectroscopy and imaging of edge modes in Permalloy nanodisks
Topic: Nanomagnetics
Published: 1/3/2013
Authors: Feng Guo, Lyubov Belova, Robert D McMichael
Abstract: This paper reports spectroscopy and imaging of spin wave modes using ferromagnetic resonance force microscopy (FMRFM) in Permalloy nano-disks with disk diameters that range from 100 nm to 750 nm. The ferromagnetic resonance spectra distinguish multip ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911716

168. Spin Configuration and Classification of Switching Processes in Ferromagnetic Rings Down to Sub-100 nm Dimensions
Topic: Nanomagnetics
Published: 5/1/2004
Authors: C Vaz, T Monchesky, John Unguris, E Bauer, S Cherifi, S Heun, A Locatelli, L J Heyderman, Z Cui, J Bland
Abstract: The magnetic states and switching processes are investigated in Co and NiFe rings with lateral dimensions from the micrometer range down to sub-100 nm. Using non-intrusive imaging techniques we have directly observed the nanoscopic details of the mag ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620559

169. Spin Dependent Absorption of Electrons in a Ferromagnetic Metal
Topic: Nanomagnetics
Published: 2/9/1981
Authors: H Siegmann, Daniel Thornton Pierce, Robert Celotta
Abstract: It is found that the current collected by a ferromagnet placed in an electron beam depends on the orientation of the incident electron spin. At certain energies, only electrons with spins parallel or antiparallel to the net surface spin density caus ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620197

170. Spin Dependent Attenuation Lengths for Ferromagnets
Topic: Nanomagnetics
Published: 3/1/1981
Authors: R W Rendell, David R. Penn
Abstract: Spin dependent attenuation lengths (AL) as a function of the hot electron energy are calculated for Fe, Co, and Ni. If {lambda} ^u1^({lambda}^u1^) is the AL of an electron with spin parallel (antiparallel) to the majority spin direction of the ferrom ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620191



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