Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Alexander Hassdenteufel"'
Autor:
Daniel Steil, Sabine Alebrand, Mirko Cinchetti, Alexander Fischer, Martin Aeschlimann, Alexander Hassdenteufel, Marianne Bader
Publikováno v:
physica status solidi (a). 209:2589-2595
Switching the magnetization without any external applied magnetic field by using ultrashort circularly polarized laser pulses is a fascinating and challenging topic of modern magnetism. Up to now there is still no consensus about the microscopic mech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85a15807e05ee50d25e417abdf0ac050
https://doi.org/10.1002/pssa.201228500
https://doi.org/10.1002/pssa.201228500
Autor:
Manfred Helm, Johannes Schmidt, Birgit Hebler, Manfred Albrecht, Alexander Hassdenteufel, Christian Schubert, Rudolf Bratschitsch
Publikováno v:
Physical Review B 91(2015)10, 104431-1-104431-7
We demonstrate that a low-remanent sample magnetization MR is crucial for all-optical magnetic switching (AOS) in ferrimagnets and ferrimagnet heterostructures. MR may be devised by the composition of the material. However, it can also be controlled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2252f23d3d8867576386ab0acf79fe1
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/65347
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/65347
Autor:
Dietrich R. T. Zahn, P. Reinhardt, Manfred Albrecht, Rudolf Bratschitsch, Georgeta Salvan, Michael Fronk, Alexander Hassdenteufel, Christian Schubert, Peter Richter
We present wavelength-dependent measurements of Kerr rotation and ellipticity for ferrimagnetic Tb30Fe70 thin films in the optical range of 225 nm–726 nm (1.7 eV to 5.5 eV). The thicknesses of the magnetic layers vary from 19 nm to 83 nm. Strong op
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97d93443ba4ec3e76e27e87ea190e5b5
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/65344
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/65344
Autor:
C. Schubert, M. Teich, Martin Aeschlimann, Manfred Helm, Manfred Albrecht, Alexander Hassdenteufel, A. Liebig, Birgit Hebler, Johannes Schmidt, Rudolf Bratschitsch
Publikováno v:
Springer Proceedings in Physics ISBN: 9783319077420
We observe all-optical switching (AOS) in ferrimagnetic Fe100−x Tb x alloy films below, above, and in samples without a magnetic compensation point. AOS is linked to a low remanent magnetization M R and associated with laser heating up to the Curie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94e57df8278049ab3461e3448da22e58
https://doi.org/10.1007/978-3-319-07743-7_74
https://doi.org/10.1007/978-3-319-07743-7_74
Autor:
Alexander, Hassdenteufel, Christian, Schubert, Birgit, Hebler, Helmut, Schultheiss, Jürgen, Fassbender, Manfred, Albrecht, Rudolf, Bratschitsch
Publikováno v:
Optics express. 22(8)
We demonstrate all-optical magnetic switching (AOS) in an amorphous Tb30Fe70 thin film, triggered by a 5.1 MHz laser oscillator. The magnetic layer is grown on SiO2/Si substrate. An identical magnetic film deposited on a microscope glass slide reveal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9e040a8dead657a85a27533a253746aa
https://pubmed.ncbi.nlm.nih.gov/24787883
https://pubmed.ncbi.nlm.nih.gov/24787883
Autor:
Manfred Albrecht, Martin Teich, A. Liebig, C. Schubert, Martin Aeschlimann, Birgit Hebler, Alexander Hassdenteufel, Rudolf Bratschitsch, Manfred Helm
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 25(22)
All-optical switching (AOS) in ferrimagnetic Fe(100-x)Tb(x) alloys is presented. AOS is witnessed below, above, and in samples without a magnetic compensation point. It is found that AOS is associated with laser heating up to the Curie temperature an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::583edd2f79f621bcccefdffde6b2e751
https://pubmed.ncbi.nlm.nih.gov/23616209
https://pubmed.ncbi.nlm.nih.gov/23616209
Publikováno v:
Physical Review B. 85
Contrasting hypotheses have been made about the role played by laser heating and photon helicity in all-optical switching. Here we present an experiment that distinguishes between heating- and helicity-driven effects. We show that even though a minim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::862deb30a8ed1f6d656817587c1e6620
https://doi.org/10.1103/physrevb.85.092401
https://doi.org/10.1103/physrevb.85.092401
Publikováno v:
Physical Review B. 84
We investigate the dependency of all-optical magnetization switching on the properties of the exciting laser pulse by specifically tailoring all accessible laser parameters---pulse duration, wavelength, chirp, and bandwidth---over a wide range. Our r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c8e428c68dcd0ae27d4dd2329956f58
https://doi.org/10.1103/physrevb.84.224408
https://doi.org/10.1103/physrevb.84.224408
Autor:
Johannes Schmidt, Manfred Albrecht, Manfred Helm, Alexander Hassdenteufel, Rudolf Bratschitsch, Patrick Matthes, C. Schubert
Publikováno v:
Applied Physics Letters 104(2014), 082406
Low remanent magnetization as key prerequisite for the ability of helicity dependent all-optical magnetic switching (AOS) is demonstrated for an artificial zero moment magnet. A heterostructure consisting of two amorphous ferrimagnetic Tb36Fe64 and T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20916a0b8988d64b877e7987a3cd4133
https://doi.org/10.1063/1.4866803
https://doi.org/10.1063/1.4866803
Autor:
Helmut Schultheiss, Christian Schubert, Jürgen Fassbender, Manfred Albrecht, Rudolf Bratschitsch, Birgit Hebler, Alexander Hassdenteufel
Publikováno v:
Scopus-Elsevier
All-optical magnetic switching is demonstrated in a Tb-Fe thin film with a conventional laser oscillator instead of a complex and expensive amplifier system. Overheating is prevented by a SiO2/Si substrate as an efficient heat sink.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e82feeb8d566fff637bd22294466bbb
http://www.scopus.com/inward/record.url?eid=2-s2.0-84905375961&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-84905375961&partnerID=MN8TOARS