Ferrovalley and topology are two basic concepts in both fundamental research fields and
emerging device applications. So far, reports are extremely scarce regarding the coupling of …

Very recently, the centimeter-scale MoSi2N4 monolayer was synthesized experimentally
and exhibited a semiconducting nature with high mobility (Hong et al., Science, 2020, 369 …

Anomalous valley Hall (AVH) effect is a fundamental transport phenomenon in the field of
condensed-matter physics. Usually, the research on AVH effect is mainly focused on 2D …

Realizing and manipulating valley polarization is extremely important to valleytronics.
Ferrovalley materials with spontaneous valley polarization are excellent candidates for this …

Recently, two-dimensional in-plane ferroelectric materials group-IV monochalcogenides MX
(M= Ge, Sn; X= S, Se) have attracted much attention due to their rich physical properties …

Due to the symmetry breaking, Janus two-dimensional materials possess novel electronic
properties such as energy valley and spin polarization. In this research, we predicted the …

Inspired by the new progress in the research field of two-dimensional valleytronics materials,
we propose a new class of transition metal halides, ie H-ZrX 2 (X= Cl, Br, I), and investigated …

The density functional theory has been used to investigate the structural, thermodynamic,
electronic, and optical properties of two-dimensional (2D) ZrNI monolayers without and with …

Two-dimensional valleytronic systems, using the valley index of carriers to perform logic
operations, serves as the basis of the next-generation information technologies. For efficient …

Control over and manipulation of valley physics via ferrovalleytricity is highly desirable for
advancing valleytronics. Current research focuses primarily on two-dimensional …