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October 3, 2025Open Access

Ultrafast Dynamics of Spin-Orbit Entangled Excitons Coupled to Magnetic Ordering in van der Waals Antiferromagnet NiPS3

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Authors

SSSidhanta SahuACAnupama ChauhanPGPoulami Ghosh

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Overview

Investigation reveals temperature-dependent dynamics of excitons and spins in NiPS3, suggesting novel interactions.

Key Points

  • Fast relaxation times for spin-orbit entangled excitons were observed in NiPS3, with notable temperature dependence.
  • Transient reflectivity data showed acoustic phonon oscillations at approximately 27 GHz, reflecting quick excitonic processes.
  • Coupling of excitons and spin fluctuations was examined using pump-probe spectroscopy in the 2D antiferromagnet NiPS3.
  • Findings suggest new methods to explore many-body interactions in 2D materials, indicating broad implications for spintronics.

Cite This Study

Sahu et al. (2025) studied this question.

synapsesocial.com/papers/68e02f46f0e39f13e7fa2d53https://doi.org/10.48550/arxiv.2509.04900
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