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|a 10.1002/adma.202208800
|2 doi
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|a pubmed24n1173.xml
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|a (DE-627)NLM35202917X
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|a (NLM)36692248
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Wang, Tianyang
|e verfasserin
|4 aut
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|a Origin of the Anomalous Electrical Transport Behavior in Fe-Intercalated Weyl Semimetal Td -MoTe2
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|c 2023
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|a Text
|b txt
|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 20.04.2023
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|a Date Revised 20.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Weyl semimetal Td -MoTe2 has recently attracted much attention due to its intriguing electronic properties and potential applications in spintronics. Here, Fe-intercalated Td -Fex MoTe2 single crystals (0 < x < 0.15 ) are grown successfully. The electrical and thermoelectric transport results consistently demonstrate that the phase transition temperature TS is gradually suppressed with increasing x. Theoretical calculation suggests that the increased energy of the Td phase, enhanced transition barrier, and more occupied bands in 1T' phase is responsible for the suppression in TS . In addition, a ρα -lnT behavior induced by Kondo effect is observed with x ≥ 0.08, due to the coupling between conduction carriers and the local magnetic moments of intercalated Fe atoms. For Td -Fe0.15 MoTe2 , a spin-glass transition occurs at ≈10 K. The calculated band structure of Td -Fe0.25 MoTe2 shows that two flat bands exist near the Fermi level, which are mainly contributed by the dyz and d x 2 - y 2 ${{\rm{d}}_{{x^2} - {y^2}}}$ orbitals of the Fe atoms. Finally, the electronic phase diagram of Td -Fex MoTe2 is established for the first time. This work provides a new route to control the structural instability and explore exotic electronic states for transition-metal dichalcogenides
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|a Journal Article
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|a Fe intercalation
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|a Kondo effect
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|a Weyl semimetal Td-MoTe2
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|a phase transition
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|a spin-glass transition
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|a Luo, Xuan
|e verfasserin
|4 aut
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|a Gao, Jingjing
|e verfasserin
|4 aut
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|a Jiang, Zhongzhu
|e verfasserin
|4 aut
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Yang, Xingcai
|e verfasserin
|4 aut
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|a Zhou, Nan
|e verfasserin
|4 aut
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|a Zhu, Xiaoguang
|e verfasserin
|4 aut
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|a Zhang, Lei
|e verfasserin
|4 aut
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|a Lu, Wenjian
|e verfasserin
|4 aut
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|a Song, Wenhai
|e verfasserin
|4 aut
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|a Lv, Hongyan
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Yuping
|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), 16 vom: 14. Apr., Seite e2208800
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:16
|g day:14
|g month:04
|g pages:e2208800
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|u http://dx.doi.org/10.1002/adma.202208800
|3 Volltext
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