Zobrazeno 1 - 10
of 243
pro vyhledávání: '"Keavney, D. J."'
Autor:
de Groot, J., Mueller, T., Rosenberg, R. A., Keavney, D. J., Islam, Z., Kim, J. -W., Angst, M.
Publikováno v:
Phys. Rev. Lett. 108, 187601 (2012)
We present the refinement of the crystal structure of charge-ordered LuFe2O4, based on single-crystal x-ray diffraction data. The arrangement of the different Fe-valence states, determined with bond-valence-sum analysis, corresponds to a stacking of
Externí odkaz:
http://arxiv.org/abs/1112.0978
We report a time resolved imaging and micromagnetic simulation study of the relaxation dynamics of a magnetic vortex in the non-linear regime. We use time-resolved photoemission electron microscopy and micromagnetic calculations to examine the emerge
Externí odkaz:
http://arxiv.org/abs/0901.0864
We report direct imaging by means of x-ray photoemission electron microscopy of the dynamics of magnetic vortices confined in micron-size circular Permalloy dots that are 30 nm thick. The vortex core positions oscillate on a 10-ns timescale in a self
Externí odkaz:
http://arxiv.org/abs/cond-mat/0510595
The magnetic properties of the ferromagnetic semiconductor In0.98Mn0.02As were characterized by x-ray absorption spectroscopy and x-ray magnetic circular dichroism. The Mn exhibits an atomic-like L2,3 absorption spectrum that indicates that the 3d st
Externí odkaz:
http://arxiv.org/abs/cond-mat/0412384
Autor:
Freeland, J. W., Kodama, R. H., Vedpathak, M., Erwin, S. C., Keavney, D. J., Winarski, R., Ryan, P., Rosenberg, R. A.
We report direct experimental evidence showing induced magnetic moments on Ge at the interface in an Fe/Ge system. Details of the x-ray magnetic circular dichroism and resonant magnetic scattering at the Ge L edge demonstrate the presence of spin-pol
Externí odkaz:
http://arxiv.org/abs/cond-mat/0307628
Autor:
Newhouse-Illige, T., Liu, Yaohua, Xu, M., Reifsnyder Hickey, D., Kundu, A., Almasi, H., Bi, Chong, Wang, X., Freeland, J. W., Keavney, D. J., Sun, C. J., Xu, Y. H., Rosales, M., Cheng, X. M., Zhang, Shufeng, Mkhoyan, K. A., Wang, W. G.
Magnetic interlayer coupling is one of the central phenomena in spintronics. It has been predicted that the sign of interlayer coupling can be manipulated by electric fields, instead of electric currents, thereby offering a promising low energy magne
Externí odkaz:
http://hdl.handle.net/10150/624333
http://arizona.openrepository.com/arizona/handle/10150/624333
http://arizona.openrepository.com/arizona/handle/10150/624333
Akademický článek
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Autor:
Chamberlin, S. E., Kaspar, T. C., Bowden, M. E., Shutthanandan, V., Kabius, B., Heald, S., Keavney, D. J., Chambers, S. A.
Publikováno v:
Journal of Applied Physics; 2014, Vol. 116 Issue 23, p233702-1-233702-10, 10p, 9 Graphs
Publikováno v:
Journal of Synchrotron Radiation. Jul2013, Vol. 20 Issue 4, p654-659. 6p.
Publikováno v:
Journal of Applied Physics; 3/1/2007, Vol. 101 Issue 5, p053901-N.Pag, 4p, 4 Diagrams, 3 Graphs