Search Results - "Först, M"

Ultrafast Reversal of the Ferroelectric Polarization by Mankowsky, R, von Hoegen, A, Först, M, Cavalleri, A

“…We report on the demonstration of ultrafast optical reversal of the ferroelectric polarization in LiNbO_{3}. Rather than driving the ferroelectric mode…”
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Mode-Selective Control of the Crystal Lattice by Först, M., Mankowsky, R., Cavalleri, A.

“…Conspectus Driving phase changes by selective optical excitation of specific vibrational modes in molecular and condensed phase systems has long been a grand…”
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Probing the interatomic potential of solids with strong-field nonlinear phononics by von Hoegen, A., Mankowsky, R., Fechner, M., Först, M., Cavalleri, A.

“…Ultrashort mid-infrared laser pulses can drive atoms far from their equilibrium positions in LiNbO 3 , exciting high phonon harmonics and providing a way to…”
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Nonlinear lattice dynamics as a basis for enhanced superconductivity in YBa2Cu3O6.5 by Mankowsky, R., Subedi, A., Först, M., Mariager, S. O., Chollet, M., Lemke, H. T., Robinson, J. S., Glownia, J. M., Minitti, M. P., Frano, A., Fechner, M., Spaldin, N. A., Loew, T., Keimer, B., Georges, A., Cavalleri, A.

“…Femtosecond X-ray diffraction and ab initio density functional theory calculations are used to determine the crystal structure of YBa 2 Cu 3 O 6.5 undergoing…”
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Spatially resolved ultrafast magnetic dynamics initiated at a complex oxide heterointerface by Först, M., Caviglia, A. D., Scherwitzl, R., Mankowsky, R., Zubko, P., Khanna, V., Bromberger, H., Wilkins, S. B., Chuang, Y.-D., Lee, W. S., Schlotter, W. F., Turner, J. J., Dakovski, G. L., Minitti, M. P., Robinson, J., Clark, S. R., Jaksch, D., Triscone, J.-M., Hill, J. P., Dhesi, S. S., Cavalleri, A.

“…Large-amplitude, infrared-active vibrations excited in a LaAlO 3 substrate induce magnetic order melting in a NdNiO 3 film. The melt front initiated at the…”
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An effective magnetic field from optically driven phonons by Nova, T. F., Cartella, A., Cantaluppi, A., Först, M., Bossini, D., Mikhaylovskiy, R. V., Kimel, A. V., Merlin, R., Cavalleri, A.

“…Light can be used to directly excite phonon modes in condensed matter. Simultaneously exciting several modes in an antiferromagnetic rare-earth orthoferrite…”
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Nonlinear phononics as an ultrafast route to lattice control by Först, M., Manzoni, C., Kaiser, S., Tomioka, Y., Tokura, Y., Merlin, R., Cavalleri, A.

“…Light can interact with the electrons in a crystalline solid, which in turn generates lattice vibrations or phonons. A related phenomenon was proposed 40 years…”
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Photo-induced high-temperature ferromagnetism in YTiO3 by Disa, A. S., Curtis, J., Fechner, M., Liu, A., von Hoegen, A., Först, M., Nova, T. F., Narang, P., Maljuk, A., Boris, A. V., Keimer, B., Cavalleri, A.

“…In quantum materials, degeneracies and frustrated interactions can have a profound impact on the emergence of long-range order, often driving strong…”
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Ultrafast energy- and momentum-resolved dynamics of magnetic correlations in the photo-doped Mott insulator Sr2IrO4 by Dean, M. P. M., Cao, Y., Liu, X., Wall, S., Zhu, D., Mankowsky, R., Thampy, V., Chen, X. M., Vale, J. G., Casa, D., Kim, Jungho, Said, A. H., Juhas, P., Alonso-Mori, R., Glownia, J. M., Robert, A., Robinson, J., Sikorski, M., Song, S., Kozina, M., Lemke, H., Patthey, L., Owada, S., Katayama, T., Yabashi, M., Tanaka, Yoshikazu, Togashi, T., Liu, J., Rayan Serrao, C., Kim, B. J., Huber, L., Chang, C.-L., McMorrow, D. F., Först, M., Hill, J. P.

“…The dynamics of the magnetic correlations after photo-doping Sr 2 IrO 4 are studied through ultrafast time-resolved resonant inelastic X-ray spectroscopy. The…”
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Ultrafast strain engineering in complex oxide heterostructures by Caviglia, A D, Scherwitzl, R, Popovich, P, Hu, W, Bromberger, H, Singla, R, Mitrano, M, Hoffmann, M C, Kaiser, S, Zubko, P, Gariglio, S, Triscone, J-M, Först, M, Cavalleri, A

“…We report on ultrafast optical experiments in which femtosecond midinfrared radiation is used to excite the lattice of complex oxide heterostructures. By…”
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Driving magnetic order in a manganite by ultrafast lattice excitation by Först, M., Tobey, R. I., Wall, S., Bromberger, H., Khanna, V., Cavalieri, A. L., Chuang, Y.-D., Lee, W. S., Moore, R., Schlotter, W. F., Turner, J. J., Krupin, O., Trigo, M., Zheng, H., Mitchell, J. F., Dhesi, S. S., Hill, J. P., Cavalleri, A.

“…Femtosecond midinfrared pulses are used to directly excite the lattice of the single-layer manganite La{sub 0.5}Sr{sub 1.5}MnO{sub 4}. Magnetic and orbital…”
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THz-Frequency Modulation of the Hubbard U in an Organic Mott Insulator by Singla, R, Cotugno, G, Kaiser, S, Först, M, Mitrano, M, Liu, H Y, Cartella, A, Manzoni, C, Okamoto, H, Hasegawa, T, Clark, S R, Jaksch, D, Cavalleri, A

“…We use midinfrared pulses with stable carrier-envelope phase offset to drive molecular vibrations in the charge transfer salt ET-F_{2}TCNQ, a prototypical…”
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Nonlinear Electron-Phonon Coupling in Doped Manganites by Esposito, V, Fechner, M, Mankowsky, R, Lemke, H, Chollet, M, Glownia, J M, Nakamura, M, Kawasaki, M, Tokura, Y, Staub, U, Beaud, P, Först, M

“…We employ time-resolved resonant x-ray diffraction to study the melting of charge order and the associated insulator-to-metal transition in the doped manganite…”
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Quenched lattice fluctuations in optically driven SrTiO3 by Fechner, M., Först, M., Orenstein, G., Krapivin, V., Disa, A. S., Buzzi, M., von Hoegen, A., de la Pena, G., Nguyen, Q. L., Mankowsky, R., Sander, M., Lemke, H., Deng, Y., Trigo, M., Cavalleri, A.

“…Crystal lattice fluctuations, which are known to influence phase transitions of quantum materials in equilibrium, are also expected to determine the dynamics…”
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Phase fluctuations and the absence of topological defects in a photo-excited charge-ordered nickelate by Lee, W.S., Chuang, Y.D., Moore, R.G., Zhu, Y., Patthey, L., Trigo, M., Lu, D.H., Kirchmann, P.S., Krupin, O., Yi, M., Langner, M., Huse, N., Robinson, J.S., Chen, Y., Zhou, S.Y., Coslovich, G., Huber, B., Reis, D.A., Kaindl, R.A., Schoenlein, R.W., Doering, D., Denes, P., Schlotter, W.F., Turner, J.J., Johnson, S.L., Först, M., Sasagawa, T., Kung, Y.F., Sorini, A.P., Kemper, A.F., Moritz, B., Devereaux, T.P., Lee, D.-H., Shen, Z.X., Hussain, Z.

“…The dynamics of an order parameter's amplitude and phase determines the collective behaviour of novel states emerging in complex materials. Time- and…”
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Displacive lattice excitation through nonlinear phononics viewed by femtosecond X-ray diffraction by Först, M., Mankowsky, R., Bromberger, H., Fritz, D.M., Lemke, H., Zhu, D., Chollet, M., Tomioka, Y., Tokura, Y., Merlin, R., Hill, J.P., Johnson, S.L., Cavalleri, A.

“…The nonlinear lattice dynamics of La0.7Sr0.3MnO3, as initiated by strong mid-infrared femtosecond pulses made resonant with a specific lattice vibration, are…”
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Optically induced lattice deformations, electronic structure changes, and enhanced superconductivity in YBa2Cu3O6.48 by Mankowsky, R., Fechner, M., Först, M., von Hoegen, A., Porras, J., Loew, T., Dakovski, G. L., Seaberg, M., Möller, S., Coslovich, G., Keimer, B., Dhesi, S. S., Cavalleri, A.

“…Resonant optical excitation of apical oxygen vibrational modes in the normal state of underdoped YBa2Cu3O6+x induces a transient state with optical properties…”
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Ultrafast energy- and momentum-resolved dynamics of magnetic correlations in the photo-doped Mott insulator Sr2IrO4 by Dean, M. P. M., Cao, Y., Liu, X., Wall, S., Zhu, D., Mankowsky, R., Thampy, V., Chen, X. M., Vale, J. G., Casa, D., Kim, Jungho, Said, A. H., Juhas, P., Alonso-Mori, R., Glownia, J. M., Robert, A., Robinson, J., Sikorski, M., Song, S., Kozina, M., Lemke, H., Patthey, L., Owada, S., Katayama, T., Yabashi, M., Tanaka, Yoshikazu, Togashi, T., Liu, J., Rayan Serrao, C., Kim, B. J., Huber, L., Chang, C.-L., McMorrow, D. F., Först, M., Hill, J. P.

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Multiple Supersonic Phase Fronts Launched at a Complex-Oxide Heterointerface by Först, M, Beyerlein, K R, Mankowsky, R, Hu, W, Mattoni, G, Catalano, S, Gibert, M, Yefanov, O, Clark, J N, Frano, A, Glownia, J M, Chollet, M, Lemke, H, Moser, B, Collins, S P, Dhesi, S S, Caviglia, A D, Triscone, J-M, Cavalleri, A

“…Selective optical excitation of a substrate lattice can drive phase changes across heterointerfaces. This phenomenon is a nonequilibrium analogue of static…”
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Phase change in Ge2Sb2Te5 films investigated by coherent phonon spectroscopy by Först, M., Dekorsy, T., Trappe, C., Laurenzis, M., Kurz, H., Béchevet, B.

“…Amorphous and crystalline phases of Ge2Sb2Te5 films are investigated by coherent phonon spectroscopy. By heating amorphous films above specific temperatures,…”
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