Search Results - "Lüpke, G."

Ultrafast optical observation of spin-pumping induced dynamic exchange coupling in ferromagnetic semiconductor/metal bilayer by Liu, X., Liu, P., Yuan, H. C., Shi, J. Y., Wang, H. L., Nie, S. H., Jin, F., Zheng, Z., Yu, X. Z., Zhao, J. H., Zhao, H. B., Lüpke, G.

“…Spin angular momentum transfer in magnetic bilayers offers the possibility of ultrafast and low-loss operation for next-generation spintronic devices. We…”
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Quadratic scaling of intrinsic Gilbert damping with spin-orbital coupling in L10 FePdPt films: experiments and Ab initio calculations by He, P, Ma, X, Zhang, J W, Zhao, H B, Lüpke, G, Shi, Z, Zhou, S M

“…The dependence of the intrinsic Gilbert damping parameter α(0) on the spin-orbital coupling strength ξ is investigated in L1(0) ordered FePd(1-x) Pt(x) films…”
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Exchange bias of the interface spin system at the Fe/MgO interface by Fan, Y., Smith, K. J., Lüpke, G., Hanbicki, A. T., Goswami, R., Li, C. H., Zhao, H. B., Jonker, B. T.

“…The ferromagnet/oxide interface is key to developing emerging multiferroic and spintronic technologies with new functionality. Here we probe the Fe/MgO…”
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Characterization of semiconductor interfaces by second-harmonic generation by Lüpke, G.

“…In recent years, optical second-harmonic generation has matured into a versatile and powerful technique for probing the electronic and structural properties of…”
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Ultrafast spin exchange-coupling torque via photo-excited charge-transfer processes by Ma, X., Fang, F., Li, Q., Zhu, J., Yang, Y., Wu, Y. Z., Zhao, H. B., Lüpke, G.

“…Optical control of spin is of central importance in the research of ultrafast spintronic devices utilizing spin dynamics at short time scales. Recently…”
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Charge control of antiferromagnetism at PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3 interface by Ma, X., Kumar, A., Dussan, S., Zhai, H., Fang, F., Zhao, H. B., Scott, J. F., Katiyar, R. S., Lüpke, G.

“…The interfacial spin state of the multiferroic heterostructure PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3 and its dependence on ferroelectric polarization is…”
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Spin-orbit interaction tuning of perpendicular magnetic anisotropy in L1 FePdPt films by Ma, X., He, P., Ma, L., Guo, G. Y., Zhao, H. B., Zhou, S. M., Lüpke, G.

“…The dependence of perpendicular magnetic anisotropy Ku on spin-orbit coupling strength ξ is investigated in L10 ordered FePd1−xPtx films by time-resolved…”
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Spin-orbit interaction tuning of perpendicular magnetic anisotropy in L10 FePdPt films by Ma X, He P, Ma L, Guo, G Y, Zhao, H B, Zhou, S M, Lüpke, G

“…The dependence of perpendicular magnetic anisotropy Ku on spin-orbit coupling strength ξ is investigated in L10 ordered FePd1−xPtx films by time-resolved…”
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Coherent spin precession via photoinduced antiferromagnetic interactions in La0.67Ca0.33MnO3 by Zhao, H B, Talbayev, D, Ma, X, Ren, Y H, Venimadhav, A, Li, Qi, Lüpke, G

“…Pronounced spin precessions are observed in a geometry with negligible canting of the magnetization in ferromagnetic La(0.67)Ca(0.33)MnO(3) thin films using…”
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Giant enhancement of hydrogen transport in rutile TiO2 at low temperatures by Spahr, E J, Wen, L, Stavola, M, Boatner, L A, Feldman, L C, Tolk, N H, Lüpke, G

“…Measurements of the O-H and O-D vibrational lifetimes show that the room-temperature hydrogen diffusion rate in rutile TiO2 can be enhanced by 9 orders of…”
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Semiconductor point defect concentration profiles measured using coherent acoustic phonon waves by Steigerwald, A., Xu, Y., Qi, J., Gregory, J., Liu, X., Furdyna, J. K., Varga, K., Hmelo, A. B., Lüpke, G., Feldman, L. C., Tolk, N.

“…Coherent acoustic phonon interferometry is used to quantitatively measure depth-dependent point defect concentrations in semiconductor systems with a depth…”
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Ultrafast optical detection of magnetic inhomogeneity in ferromagnetic La0.67Ca0.33MnO3 by Gong, Y., Zhang, Z., Ascienzo, D., Abranyos, Y., Zhao, H. B., Lüpke, G., Li, Qi, Ren, Y. H.

“…Optically excited spin wave resonances in ferromagnetic La0.67Ca0.33MnO3 (LCMO) thin films are probed by subpicosecond Kerr-rotation experiments at 10 K. We…”
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Detection of coherent acoustic phonons by time-resolved second-harmonic generation by Zhao, H. B., Fan, Y., Lüpke, G., Hanbicki, A. T., Li, C. H., Jonker, B. T.

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Long-lived coherent acoustic waves generated by femtosecond light pulses by Bozovic, I., Schneider, M., Xu, Y., Sobolewski, R., Ren, Y. H., Lüpke, G., Demsar, J., Taylor, A. J., Onellion, M.

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Ultrafast quasi-particle dynamics of charge/orbital ordered and ferromagnetic clusters in La0.7Ca0.3MnO3 by Ren, Y H, Ebrahim, M, Xu, Z A, Lüpke, G

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Interface magnetization reversal and anisotropy in Fe/AlGaAs(001) by ZHAO, H. B, TALBAYEV, D, LÜPKE, G, HANBICKI, A. T, LI, C. H, VAN'T ERVE, M. J, KIOSEOGLOU, G, JONKER, B. T

“…The reversal process of the Fe interface layer magnetization in Fe/AlGaAs heterostructures is measured directly using magnetization-induced second-harmonic…”
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Ultrafast magnetization dynamics of epitaxial Fe films on AlGaAs (001) by Zhao, H. B., Talbayev, D., Yang, Q. G., Lüpke, G., Hanbicki, A. T., Li, C. H., van 't Erve, O. M. J., Kioseoglou, G., Jonker, B. T.

“…Uniform magnetization precessions are generated by ultrafast optical excitation along the in-plane easy axis [100], as well as along the hard axis [1-10], in…”
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AC current driven dynamic vortex state in YBa2Cu3O7-x by LUCARELLI, A, FREY, A, YANG, R, LUPKE, G, GRILLI, F, HAUGAN, T, LEVIN, G, BARNES, P

“…Time-resolved magneto-optical imaging measurements show that an ac current enables the vortex matter in YBa2Cu3O7-x thin films to reorganize into two…”
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Ultrafast interface magnetization dynamics in Fe∕AlGaAs (001) heterostructure by Zhao, H. B., Talbayev, D., Lüpke, G., Hanbicki, A. T., Li, C. H., Jonker, B. T.

“…Time-resolved magnetization-induced second-harmonic generation is used to initiate and monitor coherent electronic spin precession in the Fe interface layer of…”
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Viscous spin exchange torque on precessional magnetization in (LaMnO3)2n/(SrMnO3)n superlattices by Zhao, H B, Smith, K J, Fan, Y, Lüpke, G, Bhattacharya, A, Bader, S D, Warusawithana, M, Zhai, X, Eckstein, J N

“…Photoinduced magnetization dynamics is investigated in chemically ordered (LaMnO3)2n/(SrMnO3)n superlattices using the time-resolved magneto-optic Kerr effect…”
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