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Displaying records 61 to 70 of 291 records.
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61. Comment on ŠDetection of Microwave Spin Pumping Using the Inverse Spin Hall EffectŠ
Topic: Physics
Published: 1/27/2014
Authors: Thomas J Silva, Mathias A. Weiler, Hans Toya Nembach, Justin M Shaw
Abstract: In a recent Letter, Hahn et al. reported on the detection of an ac voltage in a yttrium iron garnet (YIG)/platinum (Pt) bilayer under the condition of parametrically excited resonance. The authors observe an ac voltage at the frequency of the magneti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915355

62. Absorptions Between 3000 and 5500 cm-1 of cyclic O4+ and O4- Trapped in Solid Neon
Topic: Physics
Published: 12/19/2013
Authors: Marilyn E Jacox, Warren Elwin Thompson
Abstract: Recently, gas-phase absorptions in the 3000 to 4300 cm-1 spectral region have been assigned to combination bands built on (v1 + v5) of ground-state cyc-O4+. Other gas-phase experiments identified an electronic transition of cyc-O4- complexed with an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914264

63. Measuring the Neutron Lifetime with Magnetically Trapped Ultracold Neutrons
Topic: Physics
Published: 12/16/2013
Author: Hans P Mumm
Abstract: We describe an experiment to measure the neutron lifetime using a technique with a set of systematic uncertainties largely different than those of previous measurements. In this approach, UCN are produced by inelastic scattering of cold (0.89 nm) ne ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914531

64. Standardization of 237Np
Topic: Physics
Published: 12/4/2013
Authors: Lizbeth Laureano-Perez, Ryan P Fitzgerald, Ronald Colle
Abstract: The standardization of 237Np was investigated. The certified massic activity for 237Np was obtained by 4 liquid scintillation (LS) counting with correction for the 233Pa daughter using the CIEMAT/NIST efficiency tracing method ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913828

65. Absolute line intensities for oxirane from 1420 to 1560 cm-1
Topic: Physics
Published: 11/15/2013
Authors: F Kwabia Tchana, M. Ngom, Agnes Perrin, Jean-Marie Flaud, Walter Joseph Lafferty, S. A. Ndiaye, El. A. Ngum
Abstract: Absolute individual line intensities of numerous transitions of the fundamental ν2 and ν10 bands of oxirane (ethylene oxide, c-C2H4O) have been measured in the 1420-1560 cm-1 region using seven high- resolution Fourier transform spectra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914129

66. Absolute line intensities for the nu3 band of oxirane (C2H4O)
Topic: Physics
Published: 11/15/2013
Authors: Walter Joseph Lafferty, Jean-Marie Flaud, Fridolin Kwabia, A. Perrin, M. Ngom
Abstract: Seven Fourier transform spectra of the ν3 band of oxirane (ethylene oxide) have been recorded with different pressures and used to derive individual line intensities. These line intensities were satisfactorily fit leading to accurate transition ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911937

67. Electron Energy Loss Function of Silicene and Germanene Multilayers on Silver
Topic: Physics
Published: 11/4/2013
Authors: Anna L. Rast, Vinod K Tewary
Abstract: We calculate electron energy loss spectra (EELS) for composite plasmonic structures based on silicene and germanene. A continued-fraction expression for the effective dielectric function is used to perform multiscale calculations of EELS for both ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914666

68. Novel methods for in situ characterization of individual micro- and nanoscale magnetic particles
Topic: Physics
Published: 11/1/2013
Authors: John M Moreland, Yoshihiro (Yoshihiro) Nakashima, Jacob W. (Jacob) Alldredge, Gary Zabow
Abstract: New instrumentation is being developed to better understand the in vivo properties of magnetic particles suspended in solution or lodged in tissue. We describe three novel methods with the necessary sensitivity to measure the microscopic magnetic pro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913526

69. Time Required to Injection-Lock Spin Torque Nanoscale Oscillators
Topic: Physics
Published: 10/29/2013
Authors: William H Rippard, Matthew R Pufall, Anthony B Kos
Abstract: We have injection-locked a spin-transfer oscillator to a second-harmonic electrical input signal and measured the relative phase and amplitude of the device output as a function of DC current under steady-state conditions. The relative phase of the d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912422

70. Imaging topological edge states in silicon photonics
Topic: Physics
Published: 10/20/2013
Authors: Mohammad Hafezi, Jingyun Fan, Alan L Migdall, Jacob M Taylor
Abstract: Systems with topological oder exhibit exotic phenomena including fractional statistics. While most systems with topological order have been electronic, advances in our understanding of synthetic gauge fields have enabled realization of to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912922



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