Two-dimensional (2D) materials showing room-temperature magnetism and high coercivity are desired for combining magnetism with semiconducting properties useful for spintronics. In this work, the magnetic properties of the 1T phase of MoS2 have been studied at room temperature. We observe ferromagnetism with a coercivity of ~0.3 T and a maximum saturation magnetization of 0.26 emu/g at room temperature. This is the highest among coercivities reported so far in 2D magnets at room temperature. MoS2 nanosheets are prepared using a single-step hydrothermal synthesis with a relative 1T-phase reaching up to 77%. We report a correlation between the structural and magnetic characteristics via interplanar distance and coercivity. The increase in interplanar distance is also accompanied by an increase in the 1T phase. Our results pave a useful way of controlling the coercivity and saturation magnetization in a 2D magnet with applications in spintronics and low-power quantum devices.
@article{arxiv.2507.04905,
title = {Unlocking high coercivity at room temperature in phase modified MoS$_2$},
author = {Zainab Chowdhry and Kushal Mazumder and Praveen Hegde and Ajith Jena and Vidya Praveen Bhallamudi and Pramoda K. Nayak},
journal= {arXiv preprint arXiv:2507.04905},
year = {2025}
}