73 citations · 662 across the 26 of their papers we have counts for
26 papers
Bulk Ising superconductivity in an intercalated TaSe2 bilayer structure
Yupeng Li, Zhaopeng Guo, Lihong Hu +17
Ising spin-orbit coupling in bulk systems has drawn considerable interest for its ability to conveniently construct spin-orbit environments and enable exotic quantum phenomena. In…
Layer-dependent Raman spectroscopy of ultrathin TaPdTe
Zhenyu Sun, Zhaopeng Guo, Dayu Yan +7
Two-dimensional topological insulators (2DTIs) or quantum spin Hall insulators are attracting increasing attention due to their potential applications in next-generation spintronic…
Spontaneous gap opening and potential excitonic states in an ideal Dirac semimetal TaPdTe
Peng Zhang, Yuyang Dong, Dayu Yan +19
The opening of an energy gap in the electronic structure generally indicates the presence of interactions. In materials with low carrier density and short screening length, long-ra…
Evidence for an Excitonic Insulator State in TaPdTe
Jierui Huang, Bei Jiang, Jingyu Yao +30
The excitonic insulator (EI) is an exotic ground state of narrow-gap semiconductors and semimetals arising from spontaneous condensation of electron-hole pairs bound by attractive…
Observation of Emergent Superconductivity in the Quantum Spin Hall Insulator Ta2Pd3Te5 via Pressure Manipulation
Hui Yu, Dayu Yan, Zhaopeng Guo +13
Quantum Spin Hall (QSH) insulators possess distinct helical in-gap states, enabling their edge states to act as one-dimensional conducting channels when backscattering is prohibite…
Non-centrosymmetric, transverse structural modulation in SrAl4, and elucidation of its origin in the BaAl4 family of compounds
Sitaram Ramakrishnan, Surya Rohith Kotla, Hanqi Pi +13
At ambient conditions SrAl4 adopts the BaAl4 structure type with space group I4/mmm. It undergoes a charge-density-wave (CDW) transition at TCDW = 243 K, followed by a structural t…
Superconductivity in unconventional metals
Zhilong Yang, Haohao Sheng, Zhaopeng Guo +5
Based on first-principles calculations, we demonstrate that 1H/2H-phase transition metal dichalcogenides MX2 (M=Nb,Ta; X=S,Se,Te) are unconventional metals, which have an empty-sit…
Large shift current, Zak phase and unconventional nature in Se and Te
Ruihan Zhang, Junze Deng, Yan Sun +3
Recently, unconventional materials (or obstructed atomic insulators) have attracted much attention owing to the unconventional feature of mismatch between Wannier centers and atomi…
A robust and tunable Luttinger liquid in correlated edge of transition-metal second-order topological insulator TaPdTe
Anqi Wang, Yupeng Li, Guang Yang +20
The interplay between topology and interaction always plays an important role in condensed matter physics and induces many exotic quantum phases, while rare transition metal layere…
Spin-Resolved Topology and Partial Axion Angles in Three-Dimensional Insulators
Kuan-Sen Lin, Giandomenico Palumbo, Zhaopeng Guo +8
Symmetry-protected topological crystalline insulators (TCIs) have primarily been characterized by their gapless boundary states. However, in time-reversal- (-) invaria…
Quadrupole topological insulators in Ta2M3Te5 (M= Ni, Pd) monolayers
Zhaopeng Guo, Junze Deng, Yue Xie +1
Higher-order topological insulators have been introduced in the precursory Benalcazar-Bernevig-Hughes quadrupole model, but no electronic compound has been proposed to be a quadrup…
Magnetic band representations, Fu-Kane-like symmetry indicators and magnetic topological materials
Jiacheng Gao, Zhaopeng Guo, Hongming Weng +1
To realize novel topological phases and to pursue potential applications in low-energy consumption spintronics, the study of magnetic topological materials is of great interest. St…
NdAlSi: a magnetic Weyl semimetal candidate with rich magnetic phases and atypical transport properties
Jin-Feng Wang, Qing-Xin Dong, Zhao-Peng Guo +8
Magnetic Weyl semimetals (MWSM) have attracted significant attention due to their intriguing physical properties and potential applications in spin-electronic devices. Here we repo…
New Type of Quantum Oscillations Stemmed From the Strong Weyl Fermions - 4f Electrons Exchange Interaction
Jin-Feng Wang, Qing-xin Dong, Yi-Fei Huang +8
The interplay between magnetism and the topology of electronic band structure may generate new exotic quantum states. Here we report on a new type of quantum oscillations in the te…
Unprotected quadratic band crossing points and quantum anomalous Hall effect in FeB2 monolayer
Dongyu Wu, Yunpeng Huang, Song Sun +6
Quadratic band crossing points (QBCPs) and quantum anomalous Hall effect (QAHE) have attracted the attention of both theoretical and experimental researchers in recent years. Based…
Unconventional Materials: the mismatch between electronic charge centers and atomic positions
Jiacheng Gao, Yuting Qian, Huaxian Jia +5
The complete band representations (BRs) have been constructed in the work of topological quantum chemistry. Each BR is expressed by either a localized orbital at a Wyckoff site in…
Topological insulators in the NaCaBi family with large SOC gaps
Dexi Shao, Zhaopeng Guo, Xianxin Wu +4
By means of first-principles calculations and crystal structure searching techniques, we predict that a new NaCaBi family crystallized into the ZrBeSi-type structure (\ie $P6_{3}/m…
Quantum Spin Hall Effect in TaMTe (M = Pd, Ni)
Zhaopeng Guo, Dayu Yan, Haohao Sheng +3
Quantum spin Hall (QSH) effect with great promise for the potential application in spintronics and quantum computing has attracted extensive research interest from both theoretical…
Ferromagnetic MnSn monolayer epitaxially grown on silicon substrate
Qian-Qian Yuan, Zhaopeng Guo, Zhi-Qiang Shi +6
Two-dimensional (2D) ferromagnetic materials have been exhibiting promising potential in applications, such as spintronics devices. To grow epitaxial magnetic films on silicon subs…
Dimensionalities and multiplicities determination of crystal nets
Hao Gao, Junjie Wang, Zhaopeng Guo +1
Low-dimensional materials have attracted significant attentions over the past decade. To discover new low-dimensional materials, high-throughout screening methods have been applied…
Evidence for a Dirac nodal-line semimetal in SrAs
Shichao Li, Zhaopeng Guo, Dongzhi Fu +11
Dirac nodal-line semimetals with the linear bands crossing along a line or loop, represent a new topological state of matter. Here, by carrying out magnetotransport measurements an…
Nonsymmorphic symmetry protected node-line semimetal in the trigonal YH3
Dexi Shao, Tong Chen, Qinyan Gu +5
Using ab initio calculations based on density-functional theory and effective model analysis, we propose that the trigonal YH3(Space Group: P-3c1) at ambient pressure is a node-lin…
High-pressure phases of Weyl semimetals NbP, NbAs, TaP and TaAs
Zhaopeng Guo, Pengchao Lu, Tong Chen +3
The high pressure phase diagrams of TaAs family (NbP, NbAs, TaP and TaAs) are explored systematically using crystal structure search together with first-principles calculations. Ou…
Strain-induced quantum topological phase transitions in Na3Bi
Dexi Shao, Jiawei Ruan, Juefei Wu +6
Strain can be used as an effective tool to tune the crystal structure of materials and hence to modify their electronic structures, including topological properties. Here, taking N…