Zobrazeno 1 - 10
of 364
pro vyhledávání: '"Rettig L."'
Autor:
Tajik, M., Witte, T., Brand, Ch., Rettig, L., Sothmann, B., Bovensiepen, U., von Hoegen, M. Horn
In this work, we study the heat transfer from electron to phonon system within a five monolayer thin epitaxial Pb film on Si(111) upon fs-laser excitation. The response of the electron system is determined using time-resolved photoelectron spectrosco
Externí odkaz:
http://arxiv.org/abs/2312.04541
Publikováno v:
Proc. SPIE 12419, Ultrafast Phenomena and Nanophotonics XXVII, 1241903 (15 March 2023)
Understanding phase competition and phase separation in quantum materials requires access to the spatiotemporal dynamics of electronic ordering phenomena on a micro- to nanometer length- and femtosecond timescale. While time- and angle-resolved photo
Externí odkaz:
http://arxiv.org/abs/2304.00839
Autor:
Porer M., Fechner M., Bothschafter E. M., Rettig L., Narayan A., Radovic M., Savoini M., Esposito V., Rittmann J., Kubli M., Kubacka T., Huber T., Neugebauer M., Abreu E., Grübel S., Beaud P., Ingold G., Lantz G., Parchenko S., Song S., Sato T., Aschauer U., Spaldin N., Johnson S. L., Staub U.
Publikováno v:
EPJ Web of Conferences, Vol 205, p 07001 (2019)
We photoexcite SrTiO3 and EuTiO3 in their purely soft-mode-driven structurally distorted phase and trace the structural order parameter via ultra-short x-rays. We observe a rapid decay for SrTiO3 and an intriguing transient enhancement for EuTiO3.
Externí odkaz:
https://doaj.org/article/6c24965ee2ac4b4ba75b3f82cd77f354
Autor:
Maklar, J., Dong, S., Sarkar, J., Gerasimenko, Y. A., Pincelli, T., Beaulieu, S., Kirchmann, P. S., Sobota, J. A., Yang, S. -L., Leuenberger, D., Moore, R. G., Shen, Z. -X., Wolf, M., Mihailovic, D., Ernstorfer, R., Rettig, L.
Metastable phases present a promising route to expand the functionality of complex materials. Of particular interest are light-induced metastable phases that are inaccessible under equilibrium conditions, as they often host new, emergent properties s
Externí odkaz:
http://arxiv.org/abs/2206.03788
Autor:
Maklar, J., Schüler, M., Windsor, Y. W., Nicholson, C. W., Puppin, M., Walmsley, P., Fisher, I. R., Wolf, M., Ernstorfer, R., Sentef, M. A., Rettig, L.
We present a complementary experimental and theoretical investigation of relaxation dynamics in the charge-density-wave (CDW) system TbTe$_3$ after ultrafast optical excitation. Using time- and angle-resolved photoemission spectroscopy, we observe an
Externí odkaz:
http://arxiv.org/abs/2108.12323
Autor:
Maklar, J., Stühler, R., Dendzik, M., Pincelli, T., Dong, S., Beaulieu, S., Neef, A., Li, G., Wolf, M., Ernstorfer, R., Claessen, R., Rettig, L.
Publikováno v:
Nano Lett. 2022, 22, 13, 5420-5426
Two-dimensional quantum spin Hall (QSH) insulators are a promising material class for spintronic applications based on topologically-protected spin currents in their edges. Yet, they have not lived up to their technological potential, as experimental
Externí odkaz:
http://arxiv.org/abs/2108.09218
Autor:
Puppin, M., Nicholson, C. W., Monney, C., Deng, Y., Xian, R. P., Feldl, J., Dong, S., Dominguez, A., Hübener, H., Rubio, A., Wolf, M., Rettig, L., Ernstorfer, R.
Angle-resolved photoelectron spectroscopy is an extremely powerful probe of materials to access the occupied electronic structure with energy and momentum resolution. However, it remains blind to those dynamic states above the Fermi level that determ
Externí odkaz:
http://arxiv.org/abs/2108.07099
Autor:
Windsor, Y. W., Lee, S-E., Zahn, D., Borisov, V., Thonig, D., Kliemt, K., Ernst, A., Schüßler-Langeheine, C., Pontius, N., Staub, U., Krellner, C., Vyalikh, D. V., Eriksson, O., Rettig, L.
Ultrafast manipulation of the magnetic state of matter bears great potential for future information technologies. While demagnetisation in ferromagnets is governed by dissipation of angular momentum, materials with multiple spin sublattices, e.g. ant
Externí odkaz:
http://arxiv.org/abs/2108.03714
Autor:
Securo, A., Del Gobbo, C., Rettig, L., Pillon, S., De Luca, A., Fontana, D., Benedetti Fasil, E., Colucci, R.R.
Publikováno v:
In Geomorphology 1 January 2024 444
Autor:
Windsor, Y. W., Zahn, D., Kamrla, R., Feldl, J., Seiler, H., Chiang, C. -T., Ramsteiner, M., Widdra, W., Ernstorfer, R., Rettig, L.
Publikováno v:
Phys. Rev. Lett. 126, 147202 (2021)
We use femtosecond electron diffraction to study ultrafast lattice dynamics in the highly correlated antiferromagnetic (AF) semiconductor NiO. Using the scattering vector (Q) dependence of Bragg diffraction, we introduce a Q-resolved effective lattic
Externí odkaz:
http://arxiv.org/abs/2011.07289