Suppression of spin-pumping by a MgO tunnel-barrier (2009)
Mosendz, O., Pearson, J. E., Fradin, F. Y., Bader, S. D., Hoffmann, A.
Spin-pumping generates pure spin currents in normal metals at the ferromagnet (F)/normal metal (N) interface. The efficiency of spin-pumping is given by the spin mixing conductance, which depends on...
Quantifying spin Hall angles from spin pumping: Experiments and Theory (2009)
Mosendz, O., Pearson, J. E., Fradin, F. Y., Bauer, G. E. W., Bader, S. D., Hoffmann, A.
Spin Hall effects intermix spin and charge currents even in nonmagnetic materials and, therefore, ultimately may allow the use of spin transport without the need for ferromagnets. We show how spin...
Temperature dependent nucleation and annihilation of individual magnetic vortices (2009)
Mihajlovic, G., Patrick, M. S., Pearson, J. E., Novosad, V., Bader, S. D., Field, M., ...
We studied the temperature dependence of the magnetization reversal in individual submicron permalloy disks with micro-Hall and bend-resistance magnetometry. The nucleation field exhibits a...
Surface spin flip probability of mesoscopic Ag wires (2009)
Mihajlovic, G., Pearson, J. E., Bader, S. D., Hoffmann, A.
Spin relaxation in mesoscopic Ag wires in the diffusive transport regime is studied via nonlocal spin valve and Hanle effect measurements performed on permalloy/Ag lateral spin valves. The ratio...
Imaging of lateral spin valves with soft X-ray microscopy (2009)
Mosendz, O., Mihailovic, G., Pearson, J. E., Fischer, P., Bader, S. D., ...
We investigated Co/Cu lateral spin valves by means of high-resolution transmission soft x-ray microscopy with magnetic contrast that utilizes x-ray magnetic circular dichroism (XMCD). No magnetic...
Negative nonlocal resistance in mesoscopic gold Hall bars: Absence of giant spin Hall effect (2009)
Mihajlovic, G., Pearson, J. E., Garcia, M. A., Bader, S. D., Hoffmann, A.
We report the observation of negative nonlocal resistances in multiterminal mesoscopic gold Hall bar structures whose characteristic dimensions are larger than the electron mean-free path. Our...
Bhattacharya, A., May, S. J., Warusawithana, M., Zhai, X., Shah, A. B., ...
Superlattices of (LaMnO3)2n/(SrMnO3)n (n=1 to 5), composed of the insulators LaMnO3 and SrMnO3, undergo a metal-insulator transition as a function of n, being metallic for n=3. Measurements of...
May, S. J., Shah, A. B., Fitzsimmons, M. R., Zuo, J. M., Zhai, X., ...
Polarized neutron reflectivity measurements of a ferromagnetic [(LaMnO$_3$)$_{11.8}$/(SrMnO$_3$)$_{4.4}$]$_6$ superlattice reveal a modulated magnetic structure with an enhanced magnetization at the...
Zhao, H. B., Smith, K. J., Fan, Y., Lüpke, G., Bhattacharya, A., Bader, S. D., ...
Photoinduced magnetization dynamics is investigated in chemically ordered $(\mathrm{LaMnO}_3)_{2n}/(\mathrm{SrMnO}_3)_n$ superlattices using the time-resolved magneto-optic Kerr effect. A monotonic...
Pini, M. G., Rettori, A., Betti, P., Jiang, J. S., Felcher, G. P., ...
We studied the transition between the antiferromagnetic and the surface spin-flop phases of a uniaxial antiferromagnetic [Fe(14 \AA)/Cr(11 \AA]$_{\rm x20}$ superlattice. For external fields applied...
Soliton pair dynamics in patterned ferromagnetic ellipses (2006)
Buchanan, K. S., Roy, P. E., Grimsditch, M., Fradin, F. Y., Guslienko, K. Yu., Bader, S. D., ...
Confinement alters the energy landscape of nanoscale magnets, leading to the appearance of unusual magnetic states, such as vortices, for example. Many basic questions concerning dynamical and...
Rose, V., Buchana, K., Grimsditch, M., Metlushko, V., Hoffmann, A., ...
This version is available at the following Publisher URL: http://prb.aps.org
Magnetic Vortex Core Dynamics in a Ferromagnetic Dot (2005)
Guslienko, K. Yu., Han, X. F., Keavney, D. J., Divan, R., Bader, S. D.
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...
Davies, J E, Hellwig, O, Fullerton, E E, Jiang, J S, Bader, S D, Zimanyi, G T, ...
Magnetization reversal in exchange-spring magnet films has been investigated by a first-order reversal curve (FORC) technique and vector magnetometry. In Fe/epitaxial-SmCo films, the reversal...
Davies, Joseph E., Hellwig, Olav, Fullerton, Eric E., Jiang, J. S., Bader, S. D., Zimanyi, G. T., ...
Magnetization reversal in exchange-spring magnet films has been investigated by a First Order Reversal Curve (FORC) technique and vector magnetometry. In Fe/epitaxial-SmCo films, the reversal...
Magnetic Vortex Resonance in Patterned Ferromagnetic Dots (2005)
Novosad, V., Fradin, F. Y., Roy, P. E., Buchanan, K., Guslienko, K. Yu., Bader, S. D.
We report a high-resolution experimental detection of the resonant behavior of magnetic vortices confined in small disk-shaped ferromagnetic dots. The samples are magnetically soft Fe-Ni disks of...
Dynamics of coupled vortices in layered magnetic nanodots (2005)
Guslienko, K. Yu., Buchanan, K. S., Bader, S. D., Novosad, V.
The spin dynamics are calculated for a model system consisting of magnetically soft, layered nanomagnets, in which two ferromagnetic (F) cylindrical dots, each with a magnetic vortex ground state,...
Magnetism in heterogeneous thin film systems: Resonant x-ray scattering studies (2002)
Kortright, J.B., Jiang, J.S., Bader, S.D., Hellwig, O., Marguiles, D.T., Fullerton, E.E.
Magnetic and chemical heterogeneity are common in a broad range of magnetic thin film systems. Emerging resonant soft x-ray scattering techniques are well suited to resolve such heterogeneity at...
Welp, U., Xiao, Z. L., Jiang, J. S., Vlasko-Vlasov, V. K., Bader, S. D., Crabtree, G. W., ...
Nb films containing extended arrays of holes with 45-nm diameter and 100-nm spacing have been fabricated using anodized aluminum oxide (AAO) as substrate. Pronounced matching effects in the...
X-ray magneto-optic Kerr effect studies of spring magnet heterostructures (2000)
Kortright, J.B., Kim, Sang-Koog, Fullerton, E.E., Jiang, J.S., Bader, S.D.
Osborn, R., Rosenkranz, S., Argyriou, D. N., Vasiliu-Doloc, L., Lynn, J. W., Sinha, S. K., ...
Neutron scattering investigations of the paramagnetic correlations in the layered manganite La$_{1.2}$Sr$_{1.8}$Mn$_{2}$O$_{7}$, which exhibits colossal magnetoresistance above the Curie transition...
Spin polarization of the conduction bands and secondary electrons of Gd(0001) (1996)
Li, Dongqi, Pearson, J., Bader, S.D., McIlroy, D.N., Waldfried, C., Dowben, Peter A.
Angle- and spin-resolved photoemission was utilized to investigate the 5d bulk bands and the surface state of Gd(0001) in the temperature range of 130-350 K. The bulk bands at 1-2 eV below the Fermi...
Oxygen Induced Suppression of the Surface Magnetization of Gd(0001) (1996)
McIlroy, D.N., Waldfried, C., Li, Dongqi, Pearson, J., Bader, S.D., ...
The effects of oxygen adsorption on the surface magnetization of Gd(0001) have been determined by measuring the polarization of the Gd 4f core levels and the oxygen induced states with spin-resolved...
Spin Polarization of the Conduction Bands of Gd(0001)* (1995)
Li, Dongqi, Pearson, J., Bader, S.D., McIlroy, D. N., Waldfried, C., Dowben, Peter A.
Angle- and spin-resolved photoemission was utilized to investigate the 5d bulk bands and the surface state of Gd(0001) in the temperature range of 130 - 350 K. The bulk bands at 1-2 eV below the...
Li, Dongqi, Pearson, J., Bader, S.D., McIlroy, D.N., Waldfried, C., Dowben, Peter A.
Spin-polarized photoemission was employed to investigate the temperature dependence of the exchange splitting of Gd(0001) for both the surface state near the Fermi level EF and the 5d bulk bands. The...
Investigations on the dynamics of solids and liquids. (1976)
Abel, W., Bader, S.D., Block, R., Christensen, A.N., Currat, R., Dietrich, M., ...
In: Progress Report of the Teilinstitut Nukleare Festkoerperphysik. 1.6.1975 - 31.5.1976
Bader, S.D., Knapp, G.S., Sinha, S.K., Schweiss, P., Renker, B.
Physical Review Letters, 37(1976) S. 344-48