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241017s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202403306
|2 doi
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|a pubmed25n1262.xml
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|a (DE-627)NLM379045869
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|a (NLM)39417724
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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 Shen, Shengchun
|e verfasserin
|4 aut
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| 245 |
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|a Selective Control of Electric Charge of Weyl Fermions in Pyrochlore Iridates
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|c 2024
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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 05.12.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a © 2024 Wiley‐VCH GmbH.
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|a Weyl fermions can exhibit exotic phenomena due to their magnetic charge in momentum space, while Weyl nodes are usually located away from Fermi energy, which forms electron or hole pockets as the electric charges. Previous studies have mostly focused on the magnetic charge, however, the electric charges are rarely explored. Here, the intriguing Hall responses arising from the interplay between magnetic and electric charges of Weyl fermions in pyrochlore iridates are reported. Explicitly, unexpected linear scaling is observed between the anomalous Hall conductivity and Hall carrier density in strained Nd2Ir2O7 thin films, and its slope shows a sign change approaching the Néel temperature of Nd. Theoretical calculations unveil that the cluster magnetic multipoles induce local energy inversion of Weyl nodes, which alters the electric charge of Weyl fermions and accounts for the observed nontrivial Hall responses. Moreover, the correlation between the magnetic and electric charges is further probed by voltage-controlled hydrogenation, which leads to the suppression of the anomalous Hall effect through electron filling. This work not only reveals the essential role of the both magnetic and electric charges of Weyl fermions, but also demonstrates the hydrogenation as an effective tuning knob in exploring correlated topological properties
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|a Journal Article
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|a Weyl fermions
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| 650 |
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4 |
|a anomalous Hall effect
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| 650 |
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4 |
|a cluster magnetic multipoles
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| 650 |
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4 |
|a hydrogenation
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| 650 |
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4 |
|a pyrochlore iridates
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| 700 |
1 |
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|a Oh, Taekoo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Jeongkeun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Di
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shu, Xinyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Fan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yi, Di
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Noh, Tae Won
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Bohm-Jung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yangyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Pu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 49 vom: 17. Dez., Seite e2403306
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:49
|g day:17
|g month:12
|g pages:e2403306
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202403306
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 36
|j 2024
|e 49
|b 17
|c 12
|h e2403306
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