File:CDW in 1T-TaS2.jpg
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Summary
| Description | (a) Schematic of a monolayer 1T-TaS2 crystal viewed from top. Only the topmost layer of S atoms are shown here for clarity. The interlocked clusters of Ta atoms (the David-star) in the CCDW state are sketched in purple, and the grey lines outline the S atoms accompanying each David-star. A and B are in-plane basis vectors of the CCDW superlattice, whereas a and b are the basis of the underlying atomic lattice. (b) STM topography of the cleaved surface of pristine 1T-TaS2. The triangular CCDW superlattice is resolved at 6.5 K. Scale bar, 5 nm. Inset: a zoomed-in view of the CCDW order. Individual S atoms are resolved as small blobs on each CDW cluster, which enable us to locate the Ta atoms underneath in David-star formation (red). Scale bar, 0.5 nm. (c) Topographical image of an MM patch generated by a 2.8-V voltage pulse in a MI background. Scale bar, 10 nm. Inset: CCDW charge order of the MM state with the same David-star formation. Scale bar, 0.5 nm. STM images were taken under the tunnelling condition Vt=0.5 V and It=0.1 nA (main panels), or Vt=0.04 V and It=2 nA (insets). |
| Date | |
| Source | https://www.nature.com/articles/ncomms10956 |
| Author | Liguo Ma, Cun Ye, Yijun Yu, Xiu Fang Lu, Xiaohai Niu, Sejoong Kim, Donglai Feng, David Tománek, Young-Woo Son, Xian Hui Chen & Yuanbo Zhang |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:38, 2 May 2017 | | 2,600 × 882 (1.05 MB) | Materialscientist | =={{int:filedesc}}== {{Information |description=(a) Schematic of a monolayer 1T-TaS<sub>2</sub> crystal viewed from top. Only the topmost layer of S atoms are shown here for clarity. The interlocked clusters of Ta atoms (the David-star) in the CCDW sta... |
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