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Publikováno v:
Europhysics Letters (EPL). 67:1011-1017
Recently observed splitting in angular-resolved photoemission spectroscopy (ARPES) on Bi2Sr2 − xLaxCuO6 + δ high-temperature superconductor (Janowitz C. et al., Europhys. Lett. 60 (2002) 615) is interpreted within the phenomenological Luttinger-li
Publikováno v:
IEEE Transactions on Industry Applications. 40:717-725
This paper investigates a new approach to designing high-speed interior permanent-magnet (IPM) synchronous machines using a bi-state soft magnetic material. The bi-state material can have its normally high magnetic permeability permanently reduced in
Autor:
I. Bozovic, Michael L. Schneider, A. Krapf, M. S. Williamsen, Weidong Si, Yuhang Ren, Yuri D. Glinka, M. Abrecht, Jure Demsar, J. O. Printz, Roman Sobolewski, Arsen Soukiassian, R. Manzke, D. Ariosa, A. Klimov, Gunter Lüpke, Prasenjit Guptasarma, K. E. Downum, Marshall Onellion, X. H. Zeng, Ying Xu, Norman Tolk, Davor Pavuna, A. J. Taylor, Xiaoxing Xi, S. Rast
Publikováno v:
The European Physical Journal B - Condensed Matter. 36:327-334
We report the transient optical pump-probe reflectivity measurements on single and double layer cuprate single crystals and thin films of ten different stoichiometries. We find that with sufficiently low fluence the relaxation time (τR) of all sampl
Autor:
Marshall Onellion, Norman Tolk, Yuhang Ren, Yuri D. Glinka, S. Rast, Roman Sobolewski, X. H. Zeng, Weidong Si, A. T. Taylor, Ying Xu, Robert Joynt, A. Klimov, Gunter Lüpke, Michael L. Schneider, R. Manzke, Jure Demsar, A. Krapf, Ivan Bozovic, Xiaoxing Xi
Publikováno v:
Europhysics Letters (EPL). 60:460-466
Using a femtosecond pump-probe optical technique, we measured the time-resolv ed change in reflectivity of three single-layer cuprate samples, including Bi2Sr 2 − x La x CuO 6 + z, La2CuO 4 + y and La 2 − x Sr x CuO4 grown on SrTiO3. We analyze t
Publikováno v:
Europhysics Letters (EPL). 60:615-621
By in-situ change of polarization a small splitting of the Zhang-Rice singlet state band near the Fermi level has been resolved for optimum doped (x=0.4) Bi$_{2}$Sr$_{2-x}$La$_{x}$CuO$_{6+\delta}$ at the (pi,0)-point (R.Manzke et al. PRB 63, R100504
Publikováno v:
Le Journal de Physique IV. 7:C2-509
Self absorption and influence of neighbouring absorption edges make it necessary to correct data of XAS measurements in fluorescence mode. To simulate the fluorescence process and to calculate the absorption coefficients from experimental data, infor
Publikováno v:
Physica Status Solidi (a). 155:427-437
Layers of In x Ga 1-x As with compositions up to x = 0.4 have been grown on GaAs(001) substrates by molecular beam epitaxy (MBE). The growth process was monitored by RHEED intensity oscillations. The experimental parameters were optimized for growing