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April 18, 2026Nano Research0 citationsOpen Access

Coalescence Angle-Driven 1T-to-1H Phase Transition in Monolayer TaS2

Coalescence angle-driven 1T-to-1H phase transition in monolayer TaS 2

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Authors

ZGZhiqiang GuoWSWenqiang ShenSLShipeng Lu

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Overview

Experiments demonstrate coalescence angles influence phase transition in monolayer TMDs, suggesting new engineering methods.

Key Points

  • This research aims to clarify the mechanisms behind the 1T-to-1H phase transition in monolayer TaS2.
  • Conducted integrated experimental and theoretical investigations.
  • Utilized density functional theory calculations to analyze charge asymmetry.
  • Employed rapid cooling techniques to manipulate phase transition rates.
  • Coalescence at 60° led to effective nucleation of the 1H phase.
  • Rapid cooling reduced the 1T-to-1H phase transition efficiency from 75% to 24%.
  • Large-area monolayer 1T-TaS2 of at least 180 nm × 100 nm was successfully synthesized.

Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/69e31f1a40886becb653e94dhttps://doi.org/10.26599/nr.2026.94908719
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Self-adaptive hetero-phase superlattices in TaS2 via layer-resolved 1T-to-1H transformations2026
  2. 2Interlayer coupling driven phase evolution in hyperbolic 1 T -TaS2 revealed by spectroscopic ellipsometry2026 · 1 citations
  3. 3Reconstructed Electronic Structure in 2D vdW 1T-TaS2 for Quantum Sensing and Information Science2024
  4. 4Dynamic phase transition into a mixed-CDW state in 1$T$-TaS$_2$ via a thermal quench2024 · 1 citations
  5. 5Microscopic insight into the origin of super-cooled NCCDW state in 1T-TaS₂ nanocrystals2026