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Topic Area: Electron Physics
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Displaying records 81 to 90 of 93 records.
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81. Spin Sensitivity of a Channel Electron Multiplier
Topic: Electron Physics
Published: 3/1/1988
Authors: R E. Scholten, Jabez J McClelland, Michael H Kelley, Robert Celotta
Abstract: We report direct measurements of the sensitivity of a channel electron multiplier to electrons with different spin orientations. Four regions of the multiplier cone were examined using polarized electrons at 100-eV incident energy. Pulse counting and ...

82. Spin-transfer dynamics in spin valves with out-of-plane magnetized CoNi free layers
Topic: Electron Physics
Published: 1/29/2010
Authors: William H Rippard, Alina M Deac, Matthew R Pufall, Justin M Shaw, Mark W Keller, Stephen E Russek, Gerrit E Bauer, Claudio Serpico
Abstract: We have measured spin-transfer-induced dynamics in magnetic nanocontact devices having a perpendicularly magnetized Co/Ni free layer and an in-plane magnetized CoFe fixed layer. The frequencies and powers of the excitations agree well with the predic ...

83. Systematic transformations of the asymptotic aberration coefficients of round electrostatic lenses (1)
Topic: Electron Physics
Published: 5/1/1978
Author: C Kuyatt
Abstract: In previous work we formulated the third-order asymptotic aberration coefficients of round (axially symmetric) electrostatic lenses in a form independent of object and aperture positions, and expressions for the six quantities which are sufficient t ...

84. Temperature Effects in Polarized Low-Energy Electron Scattering from Solids and Liquids
Topic: Electron Physics
Published: 3/1/1978
Author: W Unertl
Abstract: The effects of temperature on the polarization of low-energy electrons scattered from surfaces of liquids, polycrystals, and single crystals are discussed. The polarization of the single scattering component of the intensity is shown to be independe ...

85. Tests of Fourth-Order Difference Equations for Laplace's Equation in Cylindrical Coordinates
Topic: Electron Physics
Published: 1/1/1978
Authors: C Kuyatt, A Galejs

86. Third-Order Aberration Coefficients of Electron Lenses II
Topic: Electron Physics
Published: 11/1/1973
Authors: C Kuyatt, D DiChio, S Natali

87. Third-Order Asymptotic Aberration Coefficients of Electron Lenses. III. Formulas and results for the two-tube electrostatic lens
Topic: Electron Physics
Published: 10/1/1974
Authors: C Kuyatt, D DiChio, S Natali
Abstract: The third-order asymptotic aberration coefficients of round electrostatic electron lenses are formulated, following Hawkes, in a form independent of object and aperture positions. Six quantities are sufficient to specify completely the third-order a ...

88. Two-dimensional transport and screening in topological insulator surface states
Topic: Electron Physics
Published: 6/6/2012
Authors: Shaffique Adam, Euyheon Hwang, Sankar Das Sarma
Abstract: We study the surface states of Bi2Se3 close to the topologically protected crossing point. Close to charge neutrality, local fluctuations in carrier density result in electron and hole puddles that dominate the electronic properties of these materi ...

89. Ultraviolet Photoabsorption by Halocarbons 11 and 12 from Electron Impact Measurements
Topic: Electron Physics
Published: 10/2/1975
Authors: R Huebner, D L Bushnell, Robert Celotta, S Mielczarek, C Kuyatt

90. Use of Matrices to Represent Electron Lenses. Matrices for the Two-Tube Electrostatic Lens
Topic: Electron Physics
Published: 4/1/1974
Authors: D DiChio, S Natali, C Kuyatt, A Galejs
Abstract: The use of matrices to represent electron lenses is discussed. It is shown that it is more convenient and natural to represent a lens by a matrix and that the matrix elements show a more regular behavior than do the focal properties. Thus matrices a ...

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