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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202208355
|2 doi
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|a pubmed24n1571.xml
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|a (DE-627)NLM349503834
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|a (NLM)36437480
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Mertens, Fabian
|e verfasserin
|4 aut
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|a Ultrafast Coherent THz Lattice Dynamics Coupled to Spins in the van der Waals Antiferromagnet FePS3
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|c 2023
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 10.02.2023
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|a Date Revised 18.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Coherent THz optical lattice and hybridized phonon-magnon modes are triggered by femtosecond laser pulses in the antiferromagnetic van der Waals semiconductor FePS3 . The laser-driven lattice and spin dynamics are investigated in a bulk crystal as well as in a 380 nm-thick exfoliated flake as a function of the excitation photon energy, sample temperature and applied magnetic field. The pump-probe magneto-optical measurements reveal that the amplitude of a coherent phonon mode oscillating at 3.2 THz decreases as the sample is heated up to the Néel temperature. This signal eventually vanishes as the phase transition to the paramagnetic phase occurs, thus revealing its connection to the long-range magnetic order. In the presence of an external magnetic field, the optically triggered 3.2 THz phonon hybridizes with a magnon mode, which is utilized to excite the hybridized phonon-magnon mode optically. These findings open a pathway toward the optical control of coherent THz photo-magnonic dynamics in a van der Waals antiferromagnet, which can be scaled down to the 2D limit
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|a Journal Article
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|a 2D materials
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|a antiferromagnets
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|a magnon
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|a phonon
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|a spintronics
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|a ultrafast pump-probe spectroscopy
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|a van der Waals semiconductors
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|a Mönkebüscher, David
|e verfasserin
|4 aut
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|a Parlak, Umut
|e verfasserin
|4 aut
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|a Boix-Constant, Carla
|e verfasserin
|4 aut
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|a Mañas-Valero, Samuel
|e verfasserin
|4 aut
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|a Matzer, Margherita
|e verfasserin
|4 aut
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|a Adhikari, Rajdeep
|e verfasserin
|4 aut
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|a Bonanni, Alberta
|e verfasserin
|4 aut
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|a Coronado, Eugenio
|e verfasserin
|4 aut
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|a Kalashnikova, Alexandra M
|e verfasserin
|4 aut
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|a Bossini, Davide
|e verfasserin
|4 aut
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|a Cinchetti, Mirko
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 6 vom: 01. Feb., Seite e2208355
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:6
|g day:01
|g month:02
|g pages:e2208355
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|u http://dx.doi.org/10.1002/adma.202208355
|3 Volltext
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