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Topic Area: Nanomagnetics

Displaying records 211 to 217.
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211. Spin and Energy Analyzed Secondary Electron Emission from a Ferromagnet
Topic: Nanomagnetics
Published: 7/5/1982
Authors: John Unguris, Daniel Thornton Pierce, A Galejs, Robert Celotta
Abstract: Measurements are presented of the energy dependence of the spin polarization of low-energy (0.5-25 eV) secondary electrons when a 500-eV primary beam is incident on an iron-based ferromagnetic glass. The polarization of the lowest-energy electrons i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620222

212. Possibilities for the use of Electron Spin Polarization in Scanning Electron Microscopy
Topic: Nanomagnetics
Published: 1/1/1982
Authors: Robert Celotta, Daniel Thornton Pierce
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620220

213. Structural Phase Transitions on Nickel at the Curie Temperature
Topic: Nanomagnetics
Published: 3/16/1981
Authors: J Hamilton, Terrence J Jach
Abstract: It is observed that a reversible step period rearrangement on clean nickel single-crystal surfaces occurs in the immediate vicinity of the Curie temperature. Reversible carbon segregation is observed on the same crystal surfaces below the Curie poin ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620202

214. 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

215. 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

216. Spin Polarization in Electron Scattering from Surfaces
Topic: Nanomagnetics
Published: 1/1/1981
Authors: Daniel Thornton Pierce, Robert Celotta
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620200

217. Terbium-Doped Magnetite Nanocrystals for Multimodal Imaging Agents
Topic: Nanomagnetics
Published: Date unknown
Authors: Katherine P. Rice, Stephen E Russek, Roy Howard Geiss, Justin M Shaw, Robert J. Usselman, Eric R Evarts, Thomas J Silva, Hans T. Nembach, Elke Arenholz, Yves Idzerda
Abstract: High quality cubic Tb-doped magnetite nanocrystals have been fabricated and have shown that the Tb is incorporated into the octahedral 3+ sites. Magnetization and FMR data indicate that the Tb spins are weakly coupled to the iron spin lattice at ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914472



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