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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202303032
|2 doi
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|a pubmed24n1196.xml
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|a (DE-627)NLM358931509
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|a (NLM)37391904
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Jang, Hoyoung
|e verfasserin
|4 aut
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| 245 |
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|a 4D Visualization of a Nonthermal Coherent Magnon in a Laser Heated Lattice by an X-ray Free Electron Laser
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 07.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Ultrafast optical manipulation of magnetic phenomena is an exciting achievement of mankind, expanding one's horizon of knowledge toward the functional nonequilibrium states. The dynamics acting on an extremely short timescale push the detection limits that reveal fascinating light-matter interactions for nonthermal creation of effective magnetic fields. While some cases are benchmarked by emergent transient behaviors, otherwise identifying the nonthermal effects remains challenging. Here, a femtosecond time-resolved resonant magnetic X-ray diffraction experiment is introduced, which uses an X-ray free-electron laser (XFEL) to distinguish between the effective field and the photoinduced thermal effect. It is observed that a multiferroic Y-type hexaferrite exhibits magnetic Bragg peak intensity oscillations manifesting entangled antiferromagnetic (AFM) and ferromagnetic (FM) Fourier components of a coherent AFM magnon. The magnon trajectory constructed in 3D space and time domains is decisive to evince ultrafast field formation preceding the lattice thermalization. A remarkable impact of photoexcitation across the electronic bandgap is directly unraveled, amplifying the photomagnetic coupling that is one of the highest among AFM dielectrics. Leveraging the above-bandgap photoexcitation, this energy-efficient optical process further suggests a novel photomagnetic control of ferroelectricity in multiferroics
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|a Journal Article
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|a X-ray free electron laser
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4 |
|a multiferroic materials
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4 |
|a photomagnetic effect
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| 650 |
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4 |
|a time-resolved resonant magnetic X-ray diffraction
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| 700 |
1 |
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|a Ueda, Hiroki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Hyeong-Do
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Minseok
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shin, Kwang Woo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Kee Hoon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Sang-Youn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shin, Hee Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Borisov, Pavel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rosseinsky, Matthew J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jang, Dogeun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choi, Hyeongi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Eom, Intae
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Staub, Urs
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chun, Sae Hwan
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 36 vom: 30. Sept., Seite e2303032
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:36
|g day:30
|g month:09
|g pages:e2303032
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|u http://dx.doi.org/10.1002/adma.202303032
|3 Volltext
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|d 35
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|e 36
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|c 09
|h e2303032
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