Imaging the Magnetic Anisotropy in Ultrathin Fe4GeTe2 with a Nitrogen-Vacancy Magnetometer

C Wang, S Wan, Y Wang, F Shi, M Gong, H Zeng - Nano Letters, 2024 - ACS Publications
Two-dimensional (2D) Fe n GeTe2, with n= 3, 4, and 5, has been realized in experiments,
showing strong magnetic anisotropy with enhanced critical temperature (T c). The …

Critical fluctuation and noise spectra in two-dimensional FeGeTe magnets

Y Li, Z Ding, C Wang, H Sun, Z Chen, P Wang… - arXiv preprint arXiv …, 2024 - arxiv.org
Critical fluctuations play a fundamental role in determining the spin orders for low-
dimensional quantum materials, especially for recently discovered two-dimensional (2D) …