20 citations · 102 across the 17 of their papers we have counts for
18 papers
Entropy-Driven Structural Phase Transition in NbCl via Density Functional Theory and an Effective Model
Chenjie Zhu, Shuai Zhang, Zhong Fang +3
As a prototypical flat-band cluster Mott insulator on an effective triangular lattice, NbCl is a potential candidate for hosting a quantum spin liquid (QSL) state. Neverthe…
Coexistence of topologically nontrivial and trivial insulating states in topological Anderson Chern insulator
Bo Yin, Yan Zhang, Anqi Wang +3
The interplay between disorder and topology has become a central theme in condensed matter physics. Disorder can not only destroy topological phases but also induce them, as exempl…
Disentangling Anomalous Hall Effect Mechanisms and Extra Symmetry Protection in Altermagnetic Systems
Yuansheng Bu, Ziyin Song, Zhong Fang +2
We investigate the evolution of Anomalous Hall Conductivity (AHC) in a coplanar and collinear antiferromagnetic system with varying spin canting angles. A tight-binding model based…
Topological nontrivial berry phase in altermagnet CrSb
Jianhua Du, Xin Peng, Yuzhi Wang +12
The study of topological properties in magnetic materials has long been one of the forefront research areas in condensed matter physics. CrSb, as a prototypical candidate material…
Spin-polarized triplet excitonic insulators in Ta3X8 (X=I, Br) monolayers
Haohao Sheng, Jingyu Yao, Sheng Zhang +5
Bose-Einstein condensation of spin-polarized triplet excitons can give rise to an intriguing spin supercurrent, enabling experimental detection of exciton condensation. In this wor…
Intrinsic layer polarization and multi-flatband transport in non-centrosymmetric mixed-stacked multilayer graphene
Kai Liu, Yating Sha, Bo Yin +20
Graphene multilayers exhibit electronic spectra that depend sensitively on both the number of layers and their stacking order. Beyond trilayer graphene, mixed stacking sequences (a…
General First-Principles Approach to Crystals in Finite Magnetic Fields
Chengye Lü, Yingwei Chen, Yuzhi Wang +5
We introduce a general first-principles methodology for computing electronic structure in a finite uniform magnetic field which allows for an arbitrary rational magnetic flux and n…
A Framework for Understanding Colossal Magnetoresistance and Complex Resistivity Behaviors in Magnetic Semiconductor
Zhihao Liu, Zhong Fang, Hongming Weng +1
Colossal magnetoresistance (CMR) is commonly observed in magnetic semiconductors when an external magnetic field is applied, usually accompanied by anomalous resistivity peaks or h…
Simultaneous achievement of record-breaking colossal magnetoresistance and angular magnetoresistance in an antiferromagnetic semiconductor EuSe2
Qingxin Dong, Pengtao Yang, Zhihao Liu +10
Magnetoresistance effect lays the foundation for spintronics, magnetic sensors and hard drives. The pursuit of magnetic materials with colossal magnetoresistance (CMR) and/or angul…
Scaling Behavior of Magnetoresistance and Hall Resistivity in Altermagnet CrSb
Xin Peng, Yuzhi Wang, Shengnan Zhang +14
The discovery of altermagnet (AM) marks a significant advancement in magnetic materials, combining characteristics of both ferromagnetism and antiferromagnetism. In this Letter, we…
Universal Scaling Behavior of Transport Properties in Non-Magnetic RuO
Xin Peng, Zhihao Liu, Shengnan Zhang +16
As a prototypical altermagnet, RuO has been subject to many controversial reports regarding its magnetic ground state and the existence of crystal Hall effects. We obtained h…
Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene
Jundong Zhu, Le Liu, Yalong Yuan +10
Twisted graphene moire superlattice has been demonstrated as an exotic platform for investigating correlated states and nontrivial topology. Among the moire family, twisted double…
The inadequacy of the -T curve for phase transitions in the presence of magnetic fields
Shengnan Zhang, Zhong Fang, Hongming Weng +1
The curve is traditionally employed to discern metallic, semiconductor, and insulating behaviors in materials, with any deviations often interpreted as indicative of phase t…
A numerical method for designing topological superconductivity induced by s-wave pairing
Jingnan Hu, Aiyun Luo, Zhijun Wang +3
Topological superconductors have garnered significant attention due to their potential for realizing topological quantum computation. However, a universal computational tool based…
First-principles methodology for studying magnetotransport in narrow-gap semiconductors: an application to Zirconium Pentatelluride ZrTe5
Hanqi Pi, Shengnan Zhang, Yang Xu +3
The origin of anomalous resistivity peak and accompanied sign reversal of Hall resistivity of ZrTe has been under debate for a long time. Although various theoretical models ha…
A combined First-principles and Boltzmann transport theory methodology for studying magnetotransport in magnetic materials
Zhihao Liu, Shengnan Zhang, Zhong Fang +2
Unusual magnetotransport behaviors, such as temperature-dependent negative magnetoresistance (MR) and bowtie-shaped MR, have puzzled us for a long time. Although several mechanisms…
Excitonic Instability in Ta2Pd3Te5 Monolayer
Jingyu Yao, Haohao Sheng, Ruihan Zhang +7
By systematic theoretical calculations, we have revealed an excitonic insulator (EI) in the Ta2Pd3Te5 monolayer. The bulk Ta2Pd3Te5 is a van der Waals (vdW) layered compound, where…
VASP2KP: kp models and Lande g-factors from ab initio calculations
Sheng Zhang, Haohao Sheng, Zhi-Da Song +8
The method is significant in condensed matter physics for the compact and analytical Hamiltonian. In the presence of magnetic field, it is described by the effective Zee…