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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202300160
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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|a Lee, Jinwon
|e verfasserin
|4 aut
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|a Mobile Kink Solitons in a Van der Waals Charge-Density-Wave Layer
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 20.07.2023
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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 Kinks, point-like geometrical defects along dislocations, domain walls, and DNA, are stable and mobile, as solutions of a sine-Gordon wave equation. While they are widely investigated for crystal deformations and domain wall motions, electronic properties of individual kinks have received little attention. In this work, electronically and topologically distinct kinks are discovered along electronic domain walls in a correlated van der Waals insulator of 1T-TaS2 . Mobile kinks and antikinks are identified as trapped by pinning defects and imaged in scanning tunneling microscopy. Their atomic structures and in-gap electronic states are unveiled, which are mapped approximately into Su-Schrieffer-Heeger solitons. The twelvefold degeneracy of the domain walls in the present system guarantees an extraordinarily large number of distinct kinks and antikinks to emerge. Such large degeneracy together with the robust geometrical nature may be useful for handling multilevel information in van der Waals materials architectures
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|a Journal Article
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|a charge density waves
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|a domain walls
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|a kinks
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|a transition metal dichalcogenide
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|a van der Waals layers
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|a Park, Jae Whan
|e verfasserin
|4 aut
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1 |
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|a Cho, Gil Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yeom, Han Woong
|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), 29 vom: 01. Juli, Seite e2300160
|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:29
|g day:01
|g month:07
|g pages:e2300160
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|u http://dx.doi.org/10.1002/adma.202300160
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