41 citations · 133 across the 13 of their papers we have counts for
13 papers
Room temperature quantum metric effect in TbMn6Sn6
Weiyao Zhao, Kaijian Xing, Yufei Zhao +10
Quantum geometry, including Berry curvature and the quantum metric, of the electronic Bloch bands has been studied via nonlinear responses in topological materials. Naturally, thes…
Massive Dirac Fermions and Strong Shubnikov-de Haas Oscillations in Topological Insulator Sm,Fe:Bi2Se3 Single Crystals
Weiyao Zhao, Chi Xuan Trang, Qile Li +9
Topological insulators (TIs) are emergent materials with unique band structure, which allow the study of quantum effect in solids, as well as contribute to high performance quantum…
Magnetotransport and Berry phase Tuning in Gd-doped Bi2Se3 Topological Insulator Single Crystals
Lei Chen, Shuang-Shuang Li, Weiyao Zhao +6
The Berry phase is an important concept in solids, correlated to the band topology, axion electrodynamics and potential applications of topological materials. Here, we investigate…
Colossal magnetoresistance in Ti lightly-doped Cr2Se3 single crystals with layered structure
Shu-Juan Zhang, Jian-Min Yan, F. Tang +11
Stoichiometric Cr2Se3 single crystals are particular layer-structured antiferromagnets which possess noncolinear spin configuration, weak ferromagnetic moments, moderate magnetores…
Topological Insulator VxBi1.08-xSn0.02Sb0.9Te2S as a Promising n-type Thermoelectric Material
Lei Chen, Weiyao Zhaoa, Meng Li +8
As one of the most important n-type thermoelectric (TE) materials, Bi2Te3 has been studied for decades, with efforts to enhance the thermoelectric performance based on element dopi…
The Emerging Weak Antilocalization Effect in Semimetal TaNbSb Single Crystal
Lei Guo, Meng Xu, Lei Chen +5
Weak antilocalization (WAL) effect is commonly observed in 2D systems, or 3D topological insulators, topological semimetal systems. Here we report the clear sign of WAL effect in h…
Coexistence of Logarithmic and SdH Quantum Oscillations in Ferromagnetic Cr-doped Tellurium Single Crystals
Shu-Juan Zhang, Lei Chen, Shuang-Shuang Li +9
We report the synthesis of transition-metal-doped ferromagnetic elemental single-crystal semiconductors with quantum oscillations using the physical vapor transport method. The 7.7…
Antiferromagnetic topological insulating state in TbBiSbTeS single crystals
Lei Guo, Weiyao Zhao, Qile Li +13
Topological insulators are emerging materials with insulating bulk and symmetry protected nontrivial surface states. One of the most fascinating transport behaviors in a topologica…
Hot 2DHG states in tellurium
Shu-Juan Zhang, Lei Chen, Shuang-Shuang Li +6
Element semiconductor Te is very popular in both fundamental electronic structure study, and device fabrication research area due to its unique band structure. Specifically, in low…
Magnetotransport Properties of Square-Net Compounds of NbSiSb and NbGeSb Single Crystals
Lei Guo, Zhao Weiyao, Ding Ning +6
We successfully grew single crystals of Si- and Ge-square-net compounds of NbSiSb and NbGeSb whose excellent crystalline quality are verified using single-crystal x-ray diffraction…
Electronic Transport Evidence for Topological Nodal-Line Semimetals of ZrGeSe single crystals
Lei Guo, Ting-Wei Chen, Chen Chen +8
Although the band topology of ZrGeSe has been studied via magnetic torque technique, the electronic transport behaviors related to the relativistic Fermions in ZrGeSe are still unk…
Quantum Oscillations of Robust Topological Surface States up to 50 K in Thick Bulk-insulating Topological Insulator
Weiyao Zhao, Lei Chen, Zengji Yue +4
As personal electronic devices increasingly rely on cloud computing for energy-intensive calculations, the power consumption associated with the information revolution is rapidly b…
Quantum Oscillations in iron-doped topological insulator Sb2Te3 crystals
Weiyao Zhao, David Cortie, Lei Chen +3
We investigated the magnetotransport properties of Fe-doped topological insulator Sb1.96 Fe0.04Te3 single crystals. With doping, the band structure changes significantly and multip…