
Structural and Optical Properties of Single- and Few-Layer …
2017年10月25日 · In this work, we report structural and optical properties of atomically thin chromium thiophosphate (CrPS 4), a ternary antiferromagnetic semiconductor. Its structural details were revealed by X-ray and electron diffraction.
Magnetic Structure and Metamagnetic Transitions in the van der …
2020年6月5日 · CrPS 4 shows an antiferromagnetic ground state (A-type) formed by out-of-plane ferromagnetic monolayers with interlayer antiferromagnetic coupling along the c axis below TN = 38 K. Due to small magnetic anisotropy energy and weak interlayer coupling, the low-field metamagnetic transitions in CrPS 4, that is, a spin-flop transition at ≈0.7 T and ...
Air-Stable and Layer-Dependent Ferromagnetism in Atomically Thin …
2021年10月18日 · Here, we report the observation of an air-stable and layer-dependent ferromagnetic (FM) van der Waals crystal, CrPS 4, using magneto-optic Kerr effect microscopy. In contrast to the antiferromagnetic (AFM) bulk, the FM out-of-plane spin orientation is found in the monolayer crystal.
Band gap crossover and insulator–metal transition in the
2020年8月18日 · Here, we present the observation of direct to indirect band gap crossover and an insulator–metal transition in the vdW antiferromagnetic insulator CrPS 4 under pressure through in-situ...
四方结构层状铁磁新材料CrPS4 - Zhejiang University
CrPS4作为一种新型的范德瓦尔斯反铁磁材料,其磁结构和磁场中的磁矩的翻转方式至今没有定论,因此CrPS4磁性的研究对于其未来的器件设计具有重要的意义。
Photoluminescence Path Bifurcations by Spin Flip in Two-Dimensional CrPS4
2022年9月21日 · In this study, we report on the dual-band NIR photoluminescence (PL) of CrPS 4 and show that its excitonic emission bifurcates into fluorescence and phosphorescence depending on thickness, temperature, and defect density.
Switching on and off the spin polarization of the conduction band …
2025年3月6日 · Double-gate transistors of bilayer layered antiferromagnet CrPS4 give full control of the spin polarization of the conduction band and of the magnetization of the accumulated electrons.
Giant electrically tunable magnon transport anisotropy in a van …
2023年5月2日 · Here, we report the realization of electrically tunable anisotropy of diffusive magnon transport from isotropic to an anisotropy ratio of over 2,500,000% in van der Waals antiferromagnetic...
QuantumATK亮点文章:二维反铁磁CrPS4磁隧道结中的尺寸效应
CrPS4 是一种层内铁磁耦合,层间反铁磁耦合的范德华二维磁性半导体。 作者以Au作电极,不同厚度的 CrPS4 作隧穿层,依次研究了具有 2~10 层 CrPS4 隧穿层的磁隧道结在铁磁态和 反铁磁态 下的量子输运,研究发现铁磁态的电导高于反铁磁的电导,且电导随着隧穿层 ...
Magnon spin transport in the van der Waals antiferromagnet CrPS4 …
2024年9月4日 · We investigate the injection, transport and detection of magnon spins in the van der Waals antiferromagnet chromium thiophosphate (CrPS4). We electrically and thermally inject magnon spins by platinum contacts and examine the non-local resistance as a function of in-plane magnetic field up to 12 Tesla.