Laser-Induced Ultrafast Magnetic Phenomena

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10367197" target="_blank" >RIV/00216208:11320/17:10367197 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/bs.hmm.2017.09.003" target="_blank" >http://dx.doi.org/10.1016/bs.hmm.2017.09.003</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/bs.hmm.2017.09.003" target="_blank" >10.1016/bs.hmm.2017.09.003</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Laser-Induced Ultrafast Magnetic Phenomena

Popis výsledku v původním jazyce

Optical manipulation of magnetization with femtosecond laser pulses has opened a new paradigm shift in magnetization and spin dynamics. Since the very first demonstration of femtosecond laser-induced demagnetization in 1996 by Beaurepaire et al., optical manipulation of magnetization has developed into a highly active area of research that has been growing at a breathtaking pace over the last decades. Scientific highlights include the discovery of femtosecond timescale laser-induced demagnetization, all-optical generation of coherent spin waves, photo-induced generation of magnetization, and many others. Undoubtedly, the most appealing is the recent demonstration of all-optical magnetization reversal and opto-magnetic recording with femtosecond laser pulses. All-optical magnetization switching (AOS) is emerging as a novel magnetic recording technology, its potential being fully recognized by the magnetic recording industry, which enlisted the AOS process on its roadmap toward ultrafast and ultrahigh densities magnetic recording beyond 1Tb/in2.Here we review experimental work, models developed to explain these experiments, and introduce relevant theoretical concepts needed to construct these models. Validity of different involved methods and approximations is critically examined, employing ab initio calculation results where possible. Proposed explanations of ultrafast magnetization dynamics involve different underlying physical mechanisms, the last section of the review provides a discussion of the possible contributions of these mechanisms. We note that the ultrafast magnetism field has become very vast and the present review cannot exhaustively describe all the works related to laser-induced magnetization dynamics.

Název v anglickém jazyce

Laser-Induced Ultrafast Magnetic Phenomena

Popis výsledku anglicky

Optical manipulation of magnetization with femtosecond laser pulses has opened a new paradigm shift in magnetization and spin dynamics. Since the very first demonstration of femtosecond laser-induced demagnetization in 1996 by Beaurepaire et al., optical manipulation of magnetization has developed into a highly active area of research that has been growing at a breathtaking pace over the last decades. Scientific highlights include the discovery of femtosecond timescale laser-induced demagnetization, all-optical generation of coherent spin waves, photo-induced generation of magnetization, and many others. Undoubtedly, the most appealing is the recent demonstration of all-optical magnetization reversal and opto-magnetic recording with femtosecond laser pulses. All-optical magnetization switching (AOS) is emerging as a novel magnetic recording technology, its potential being fully recognized by the magnetic recording industry, which enlisted the AOS process on its roadmap toward ultrafast and ultrahigh densities magnetic recording beyond 1Tb/in2.Here we review experimental work, models developed to explain these experiments, and introduce relevant theoretical concepts needed to construct these models. Validity of different involved methods and approximations is critically examined, employing ab initio calculation results where possible. Proposed explanations of ultrafast magnetization dynamics involve different underlying physical mechanisms, the last section of the review provides a discussion of the possible contributions of these mechanisms. We note that the ultrafast magnetism field has become very vast and the present review cannot exhaustively describe all the works related to laser-induced magnetization dynamics.

Druh

C - Kapitola v odborné knize

CEP obor

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OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/GJ15-08740Y" target="_blank" >GJ15-08740Y: Generování spinových proudů na femtosekundové časové škále</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název knihy nebo sborníku

Handbook of Magnetic Materials

ISBN

978-0-444-63927-1

Počet stran výsledku

173

Strana od-do

291-463

Počet stran knihy

506

Název nakladatele

Elsevier B.V.

Místo vydání

Neuveden

Kód UT WoS kapitoly

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