41 citations · 140 across the 22 of their papers we have counts for
22 papers
Omnidirectional magnetic imaging of magnetic anisotropy and phase transitions
Alexander J Healey, Kaijian Xing, Weiyao Zhao +7
Micron scale imaging of magnetic fields is an important tool for understanding the evolution of magnetism through phase transitions and as a result of interactions inside of hetero…
Efficient and Robust p-type Transistor based on Ultra-wide-bandgap Semiconductor
Kaijian Xing, Zherui Yang, Weiyao Zhao +17
The p-type transistor is an indispensable component of semiconductor technology, enabling complementary operation with n-channel transistors for computation, storage, and communica…
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…
Pick-and-place transfer of arbitrary-metal electrodes for van der Waals device fabrication
Kaijian Xing, Daniel McEwen, Weiyao Zhao +12
Van der Waals electrode integration is a promising strategy to create near-perfect interfaces between metals and two-dimensional materials, with advantages such as eliminating Ferm…
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…
Reversible and nonvolatile manipulation of the spin-orbit interaction in ferroelectric field-effect transistors based on a two-dimensional bismuth oxychalcogenide
Ming-Yuan Yan, Shuang-Shuang Li, Jian-Min Yan +11
Spin-orbit interaction (SOI) offers a nonferromagnetic scheme to realize spin polarization through utilizing an electric field. Electrically tunable SOI through electrostatic gates…
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…
Magneto-transport and electronic structures in MoSi bulks and thin films with different orientations
W. Afzal, F. Yun, Z. Li +8
We report a comprehensive study of magneto-transport properties in MoSi bulk and thin films. Textured MoSi thin films of around 70 nm were deposited on silicon substrates w…
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…
Increased Phase Coherence Length in a Porous Topological Insulator
Alex Nguyen, Golrokh Akhgar, David L. Cortie +11
The surface area of Bi2Te3 thin films was increased by introducing nanoscale porosity. Temperature dependent resistivity and magnetotransport measurements were conducted both on as…
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…
Topological quantum phase transition in the magnetic semimetal HoSb
Jian-Min Zhang, Fang Tang, Yurong Ruan +14
Magnetic topological semimetals, a novel state of quantum matter with nontrivial band topology, have emerged as a new frontier in physics and materials science. An external stimulu…
Weak localization and anti-localization in rare earth doped topological insulators
Zengji Yue, Kirrily Rule, Zhi Li +7
We study magneto-transport phenomena in two rare-earth doped topological insulators, SmxFexSb2-2xTe3 and SmxBi2-xTe2Se single crystals. The magneto-transport behaviours in both com…
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…
Modulation of crystal and electronic structures in topological insulators by rare-earth doping
Zengji Yue, Weiyao Zhao, David Cortie +3
We study magnetotransport in a rare earth doped topological insulator, Sm0.1Sb1.9Te3 single crystals, under magnetic fields up to 14 T. It is found that that the crystals exhibit S…
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…