233 citations · 1.4k across the 26 of their papers we have counts for
26 papers
Unique quantum metallic state in the titanium sesquioxide heterointerface superconductor
Guanqun Zhang, Yixin Liu, Zhongfeng Ning +12
The emergence of quantum metallic state marked by a saturating finite electrical resistance in the zero-temperature limit in a variety of two-dimensional superconductors injects an…
Nonreciprocal Charge Transport in Topological Kagome Superconductor CsVSb
Yueshen Wu, Qi Wang, Xiang Zhou +14
Nonreciprocal charge transport phenomena are widely studied in two-dimensional superconductors, which demonstrate unidirectional-anisotropy magnetoresistances as a result of symmet…
Enhanced low-energy magnetic excitations evidencing the Cu-induced localization in an Fe-based superconductor FeTeSe
Jinghui Wang, Song Bao, Yanyan Shangguan +11
We have performed inelastic neutron scattering measurements on optimally-doped FeTeSe and 10% Cu-doped FeCuTeSe to investi…
Coexistence of Quasi-two-dimensional Superconductivity and Tunable Kondo Lattice in a van der Waals Superconductor
Shiwei Shen, Tian Qin, Jingjing Gao +8
Realization of Kondo lattice in superconducting van der Waals materials not only provides a unique opportunity for tuning the Kondo lattice behavior by electrical gating or interca…
Neutron spectroscopy evidence for a possible magnetic-field-induced gapless quantum-spin-liquid phase in a Kitaev material -RuCl
Xiaoxue Zhao, Kejing Ran, Jinghui Wang +15
As one of the most promising Kitaev quantum-spin-liquid (QSL) candidates, -RuCl has received a great amount of attention. However, its ground state exhibits a long-range zig…
Disorder-induced broadening of the spin waves in a triangular-lattice quantum-spin-liquid candidate YbZnGaO
Zhen Ma, Zhao-Yang Dong, Jinghui Wang +15
Disorder is important in the study of quantum spin liquids, but its role on the spin dynamics remains elusive. Here, we explore the disorder effect by investigating the magnetic-fi…
Quantum oscillations in Noncentrosymmetric Weyl semimetals RAlSi (R = Sm and Ce)
Weizheng Cao, Qi Wang, Cuiying Pei +8
Weyl semimetal (WSM) as a new type of quantum state of matter hosting low energy relativistic quasiparticles, has attracted significant attention for both scientific community and…
Spontaneous rotational symmetry breaking in KTaO heterointerface superconductors
Guanqun Zhang, Lijie Wang, Jinghui Wang +14
Broken symmetries play a fundamental role in superconductivity and influence many of its properties in a profound way. Understanding these symmetry breaking states is essential to…
Topological magnon insulator spin excitations in the two-dimensional ferromagnet CrBr
Zhengwei Cai, Song Bao, Zhao-Long Gu +17
Topological magnons are bosonic analogues of topological fermions in electronic systems. They have been studied extensively by theory but rarely realized by experiment. Here, by pe…
Emergence of new van Hove singularities in the charge density wave state of a topological kagome metal RbV3Sb5
Soohyun Cho, Haiyang Ma, Wei Xia +11
Quantum materials with layered kagome structures have drawn considerable attention due to their unique lattice geometry, which gives rise to flat bands co-existing with Dirac-like…
Roles of the Narrow Electronic Band near the Fermi Level in 1T-TaS-Related Layered Materials
Chenhaoping Wen, Jingjing Gao, Yuan Xie +9
Here we use low-temperature scanning tunneling microscopy and spectroscopy (STM/STS) to reveal the roles of the narrow electronic band in two 1T-TaS-related materials (bulk 1T-…
Disorder-induced spin-liquid-like behavior in kagome-lattice compounds
Zhen Ma, Zhao-Yang Dong, Si Wu +14
Quantum spin liquids (QSLs) are an exotic state of matter that is subject to extensive research. However, the relationship between the ubiquitous disorder and the QSL behaviors is…
Spin dynamics of a magnetic Weyl semimetal SrMnSb
Zhengwei Cai, Song Bao, Wei Wang +12
Dirac matters provide a platform for exploring the interplay of their carriers with other quantum phenomena. SrMnSb has been proposed to be a magnetic Weyl semi…
Evidence for singular-phonon-induced nematic superconductivity in a topological superconductor candidate SrBiSe
Jinghui Wang, Kejing Ran, Shichao Li +11
Superconductivity mediated by phonons is typically conventional, exhibiting a momentum-independent s-wave pairing function, due to the isotropic interactions between electrons and…
Turning ZrTe5 into semiconductor through atomic intercalation
Qi-Yuan Li, Yang-Yang Lv, Jinghui Wang +11
In this work, we use the liquid ammonia method to successfully intercalate potassium atoms into ZrTe5 single crystal, and find a transition from semimetal to semiconductor at low t…
Quasi-particle evidence for the nematic state above in SrBiSe
Yue Sun, Shunichiro Kittaka, Toshiro Sakakibara +6
In the electronic nematic state, an electronic system has a lower symmetry than the crystal structure of the same system. Electronic nematic states have been observed in various un…
Recent progress on magnetic-field studies on quantum-spin-liquid candidates
Zhen Ma, Kejing Ran, Jinghui Wang +4
Quantum spin liquids (QSLs) represent a novel state of matter in which quantum fluctuations prevent conventional magnetic order from being established, and the spins remain disorde…
Unusual phonon density of states and response to the superconducting transition in the In-doped topological crystalline insulator PbSnTe
Kejing Ran, Ruidan Zhong, Tong Chen +13
We present inelastic neutron scattering results of phonons in (PbSn)InTe powders, with and 0.3. The sample is a topological crystalline insu…
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…
Ultralow-temperature thermal conductivity of the Kitaev honeycomb magnet -RuCl across the field-induced phase transition
Y. J. Yu, Y. Xu, K. J. Ran +5
Recently, there have been increasingly hot debates on whether there exists a quantum spin liquid in the Kitaev honeycomb magnet -RuCl in high magnetic field. To investigate…
Spin-glass ground state in a triangular-lattice compound YbZnGaO
Zhen Ma, Jinghui Wang, Zhao-Yang Dong +19
We report on comprehensive results identifying the ground state of a triangular-lattice structured YbZnGaO to be spin glass, including no long-range magnetic order, prominent b…
Suppression of the antiferromagnetic order when approaching the superconducting state in a phase-separated crystal of KFeSe
Shichao Li, Yuan Gan, Jinghui Wang +15
We have combined elastic and inelastic neutron scattering techniques, magnetic susceptibility and resistivity measurements to study single-crystal samples of KFeSe,…
Gapless Spin Excitations in the Field-Induced Quantum Spin Liquid Phase of alpha-RuCl3
Jiacheng Zheng, Kejing Ran, Tianrun Li +7
-RuCl is a leading candidate material for theobservation of physics related to the Kitaev quantum spin liquid (QSL). By combined susceptibility, specific-heat, and nuclear-m…
Spin-wave excitations evidencing the Kitaev interaction in single crystalline -RuCl
Kejing Ran, Jinghui Wang, Wei Wang +13
Kitaev interactions underlying a quantum spin liquid have been long sought, but experimental data from which their strengths can be determined directly is still lacking. Here, by c…