Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Głownia J."'
Autor:
Tęcza G., Głownia J.
Publikováno v:
Archives of Foundry Engineering, Vol 15, Iss 4, Pp 129-133 (2015)
Cast Hadfield steel is characterised by high abrasion resistance, provided, however, that it is exposed to the effect of dynamic loads. During abrasion without loading, e.g. under the impact of loose sand jet, its wear resistance drops very drastical
Externí odkaz:
https://doaj.org/article/e6ca2a0b803e416b925fba114324d472
Autor:
Jiang, M. P., Trigo, M., Fahy, S., Hauber, A., Murray, É. D., Savić, I, Bray, C., Clark, J. N., Henighan, T., Kozina, M., Chollet, M., Glownia, J. M., Hoffmann, M. C., Zhu, D., Delaire, O., May, A. F., Sales, B. C., Lindenberg, A. M., Zalden, P., Sato, T., Merlin, R., Reis, D. A.
We report the observation of photo-induced plasmon-phonon coupled modes in the group IV-VI semiconductor PbTe using Fourier-transform inelastic X-ray scattering at the Linac Coherent Light Source (LCLS). We measure the near-zone-center dispersion of
Externí odkaz:
http://arxiv.org/abs/2109.01301
Autor:
Trigo, M., Giraldo-Gallo, P., Clark, J. N., Kozina, M. E., Henighan, T., Jiang, M. P., Chollet, M., Fisher, I. R., Glownia, J. M., Katayama, T., Kirchmann, P. S., Leuenberger, D., Liu, H., Reis, D. A., Shen, Z. X., Zhu, D.
Publikováno v:
Phys. Rev. B 103, 054109 (2021)
We study ultrafast x-ray diffraction on the charge density wave (CDW) of SmTe$_3$ using an x-ray free electron laser. The CDW peaks show that photoexcitation with near-infrared pump centered at 800 nm generates domain walls of the order parameter pro
Externí odkaz:
http://arxiv.org/abs/2006.08879
Akademický článek
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Autor:
Porer, M., Fechner, M., Kubli, M., Neugebauer, M. J., Parchenko, S., Esposito, V., Narayan, A., Spaldin, N. A., Huber, R., Radovic, M., Bothschafter, E. M., Glownia, J. M., Sato, T., Song, S., Johnson, S. L., Staub, U.
Publikováno v:
Phys. Rev. Research 1, 012005 (2019)
The ability to control the structure of a crystalline solid on ultrafast timescales bears enormous potential for information storage and manipulation or generating new functional states of matter [1]. In many materials where the ultrafast control of
Externí odkaz:
http://arxiv.org/abs/1901.08388
Autor:
Trigo, M., Giraldo-Gallo, P., Kozina, M. E., Henighan, T., Jiang, M. P., Liu, H., Clark, J. N., Chollet, M., Glownia, J. M., Zhu, D., Katayama, T., Leuenberger, D., Kirchmann, P. S., Fisher, I. R., Shen, Z. X., Reis, D. A.
Publikováno v:
Phys. Rev. B 99, 104111 (2019)
We present a combined ultrafast optical pump-probe and ultrafast x-ray diffraction measurement of the CDW dynamics in SmTe$_3$ at 300 K. The ultrafast x-ray diffraction measurements, taken at the Linac Coherent Light Source reveal a $\sim 1.55$ THz m
Externí odkaz:
http://arxiv.org/abs/1809.09799
Autor:
Rettig, L., Caviezel, A., Mariager, S. O., Ingold, G., Dornes, C., Huang, S-W., Johnson, J. A., Radovic, M., Huber, T., Kubacka, T., Ferrer, A., Lemke, H. T., Chollet, M., Zhu, D., Glownia, J. M., Sikorski, M., Robert, A., Nakamura, M., Kawasaki, M., Tokura, Y., Johnson, S. L., Beaud, P., Staub, U.
Publikováno v:
Phys. Rev. B 99, 134302 (2019)
We report on the ultrafast dynamics of charge order and structural response during the photoinduced suppression of charge and orbital order in a mixed-valence manganite. Employing femtosecond time-resolved resonant x-ray diffraction below and at the
Externí odkaz:
http://arxiv.org/abs/1808.00697
Autor:
Kozina, M., van Driel, T., Chollet, M., Sato, T., Glownia, J. M., Wandel, S., Radovic, M., Staub, U., Hoffmann, M. C.
We use ultrafast x-ray pulses to characterize the lattice response of SrTiO3 when driven by strong terahertz (THz) fields. We observe transient changes in the diffraction intensity with a delayed onset with respect to the driving field. Fourier analy
Externí odkaz:
http://arxiv.org/abs/1703.09818
Autor:
Kozina, Michael, Pancaldi, Matteo, Bernhard, Christian, van Driel, Tim, Glownia, J. Michael, Marsik, Premysl, Radovic, Milan, Vaz, Carlos A. F., Zhu, Diling, Bonetti, Stefano, Staub, Urs, Hoffmann, Matthias C.
Publikováno v:
Appl. Phys. Lett. 110, 081106 (2017)
We report local field strength enhancement of single-cycle terahertz (THz) pulses in an ultrafast time-resolved x-ray diffraction experiment. We show that patterning the sample with gold microstructures increases the THz field without changing the TH
Externí odkaz:
http://arxiv.org/abs/1701.09161
Autor:
Esposito, V., Mankowsky, R., Fechner, M., Lemke, H., Chollet, M., Glownia, J. M., Nakamura, M., Kawasaki, M., Tokura, Y., Staub, U., Beaud, P., Först, M.
Publikováno v:
Phys. Rev. Lett. 118, 247601 (2017)
We employ time-resolved resonant x-ray diffraction to study the melting of charge order and the associated insulator-metal transition in the doped manganite Pr$_{0.5}$Ca$_{0.5}$MnO$_3$ after resonant excitation of a high-frequency infrared-active lat
Externí odkaz:
http://arxiv.org/abs/1612.06192