Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ultrafast magnetic effects"'
Autor:
R. Rouzegar, A.L. Chekhov, Y. Behovits, B.R. Serrano, M.A. Syskaki, C.H. Lambert, D. Engel, U. Martens, M. Münzenberg, M. Wolf, G. Jakob, M. Kläui, T.S. Seifert, T. Kampfrath
Publikováno v:
Physical Review Applied
Physical Review Applied, 19 (3)
Physical Review Applied, 19 (3)
In this work, we improve the performance of an optically pumped spintronic terahertz emitter (STE) by a factor of up to 6 in field amplitude through an optimized photonic and thermal environment. Using high-energy pump pulses (energy 5 mJ, fluence >1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce46127d2accd7496df9254848a32e7b
https://zenodo.org/record/7912915
https://zenodo.org/record/7912915
Autor:
Sutcliffe, Erica, Sun, Xingjian, Verzhbitskiy, Ivan, Griepe, Theodor, Atxitia, Unai, Eda, Goki, Santos, Elton J. G., Johansson, J. Olof
Femtosecond optical control of magnetic materials shows promise for future ultrafast data storage devices. To date, most studies in this area have relied on quasimonochromatic light in magneto-optical pump-probe experiments, which limited their abili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa1fc240640270ef4a1d5f35160b979b
Efficient and fast manipulation of antiferromagnets has to date remained a challenging task, hindering their application in spintronic devices. For ultrafast operation of such devices, it is highly desirable to be able to control the antiferromagneti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90d49515c59e99b6582690f93e7012ac
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-504043
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-504043
Autor:
David Reiss, Piet Brouwer
Publikováno v:
Physical Review B. 106
The interface between a ferro- or ferrimagnetic insulator and a normal metal can support spin currents polarized collinear with and perpendicular to the magnetization direction. The flow of angular momentum perpendicular to the magnetization directio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47f8728f5b12d7097650fc505be39dba
https://doi.org/10.1103/physrevb.106.144423
https://doi.org/10.1103/physrevb.106.144423
Autor:
Florian Jakobs, Unai Atxitia
Publikováno v:
Physical Review B. 106
We bridge an essential knowledge gap on the understanding of all-optical ultrafast switching in ferrimagnets, namely, the connection between atomistic spin dynamics methods and macroscopic phenomenological models. All-optical switching of the magneti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b1792059ef3935f56f9ea59f0200186
https://doi.org/10.1103/physrevb.106.134414
https://doi.org/10.1103/physrevb.106.134414
Autor:
F. Jakobs, U. Atxitia
Publikováno v:
Physical Review Letters. 129
Single-pulse switching has been experimentally demonstrated in ferrimagnetic GdFeCo and Mn$_2$Ru$_x$Ga alloys. Complete understanding of single-pulse switching is missing due to the lack of an established theory accurately describing the transition t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2dcc0687b38f8a30d8dc7ccf6b512802
https://doi.org/10.1103/physrevlett.129.037203
https://doi.org/10.1103/physrevlett.129.037203
Publikováno v:
JOURNAL OF PHYSICS-CONDENSED MATTER, 35(12):125501. IOP Publishing Ltd.
In theoretical analyses of ultrafast spin dynamics simulated phenomena are commonly discussed in terms of observables. In this paper we report on possible benefits of complementing such studies by quantum state (QS) measures. These measures quantify
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32226dd1627c3a88671cdbc17009eb0f
http://arxiv.org/abs/2204.02771
http://arxiv.org/abs/2204.02771
Akademický článek
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Autor:
Pablo Hernández López, Sebastian Heeg, Christoph Schattauer, Sviatoslav Kovalchuk, Abhijeet Kumar, Douglas J. Bock, Jan N. Kirchhof, Bianca Höfer, Kyrylo Greben, Denis Yagodkin, Lukas Linhart, Florian Libisch, Kirill I. Bolotin
Mechanical strain is a powerful tuning knob for excitons, Coulomb-bound electron-hole complexes dominating optical properties of two-dimensional semiconductors. While the strain response of bright free excitons is broadly understood, the behavior of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79711207db61f1b9a4ea3dedaec30480
https://refubium.fu-berlin.de/handle/fub188/38034
https://refubium.fu-berlin.de/handle/fub188/38034
Autor:
Rouzegar, Reza, Brandt, Liane, Nádvorník, Lukáš, Reiss, David A., Chekhov, Alexander L., Gueckstock, Oliver, In, Chihun, Wolf, Martin, Seifert, Tom S., Brouwer, Piet W., Woltersdorf, Georg, Kampfrath, Tobias
Publikováno v:
Physical Review B
Laser-induced terahertz spin transport (TST) and ultrafast demagnetization (UDM) are central but so far disconnected phenomena in femtomagnetism and terahertz spintronics. Here, we use broadband terahertz emission spectroscopy to reliably measure bot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82124ec77b42b28f7099d2277b7cd1b4
https://refubium.fu-berlin.de/handle/fub188/37629
https://refubium.fu-berlin.de/handle/fub188/37629