Related Experiment Video
Updated: Sep 19, 2025

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
Published on: July 24, 2015
Magnetic switching and quantization of bandgap in 2D graphene-like CrP3
Hong-Yao Liu1,2, Mi He3, Huan Yang1
1School of Physics, Shandong University, Jinan 250100, China. h.yang@sdu.edu.cn.
Abstract:
In this study, we theoretically investigate the magnetoelectric and magnetoelastic properties of the novel two-dimensional magnetic material CrP3 with two different structures, among which the graphene-like CrP3 structure exhibits ferromagnetism. Interestingly, its perpendicular magnetic anisotropy and magnetic ground state are sensitive to external pressure, exhibiting magnetic switching behavior. The system exhibits half-metallic properties, but the magnetic changes induced by external mechanical strain and electronic properties show multifaceted coupling phenomena. The transformation from a magnetic half-metal to a magnetic semiconductor can be observed under tensile strain. Furthermore, under a tensile strain of 3%, as the direction of the magnetic moment rotates, the band gap exhibits the quantizing phenomenon. These findings demonstrate that two-dimensional magnetic CrP3 provides an ideal platform for quantum information processing and the study of novel physical effects.
Related Concept Videos
Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
π Electron Effects on Chemical Shift: Overview
MOS Capacitor
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
Crystal Field Theory - Octahedral Complexes
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
Semiconductors
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...

