Publications (51)
Bulk superconductivity in single phase Bi3O2S3
Jifeng Shao, Zhongheng Liu, Xiong Yao +4
We report the synthesis of single phase Bi3O2S3 sample and confirm the occurrence of bulk superconductivity with transition temperature at 5.8 K. The Bi3O2S3 super-conductor is cat…
The Ground State Lattice Distortion of CsVSb Revealed by de Haas-van Alphen Oscillations
Senyang Pan, Feng Du, Yong Zhang +10
The recently discovered AVSb (A = K, Rb, Cs) compounds have garnered intense attention in the scientific community due to their unique characteristics as kagome superco…
The upper critical field and its anisotropy in RbCrAs
Qimei Liang, Tong Liu, Chuanying Xi +5
The temperature dependence of the upper critical field () in RbCrAs single crystals ( 7.3 K) has been determined by means of magnetoresistance…
Enhanced quantum coherence in graphene caused by Pd cluster deposition
Yuyuan Qin, Junhao Han, Guoping Guo +8
We report on the unexpected increase in the dephasing lengths of a graphene sheet caused by the deposition of Pd nanoclusters, as demonstrated by weak localization measurements. Th…
Pressure-driven dome-shaped superconductivity and electronic structural evolution in tungsten ditelluride
Xing-Chen Pan, Xuliang Chen, Huimei Liu +12
Tungsten ditelluride has attracted intense research interest due to the recent discovery of its large unsaturated magnetoresistance up to 60 Tesla. Motivated by the presence of a s…
Bulk Fermi surface of the layered superconductor TaSe3 with three-dimensional strong topological insulator state
Wei Xia, Xianbiao Shi, Yong Zhang +14
High magnetic field transport measurements and ab initio calculations on the layered superconductor TaSe3 have provided compelling evidences for the existence of a three-dimensiona…
Topologically nontrivial -magnetization plateau state in a spin-1/2 trimer chain
Y. Y. Han, B. C. Yu, Z. Du +8
Topologically nontrivial Haldane phase is theoretically proposed to be realized in the 1/3-magnetization () plateau of spin-1/2 trimer systems. However, the spin excitation gap,…
Tricritical point and phase diagram based on critical scaling in monoaxial chiral helimagnet Cr1/3NbS2
Hui Han, Lei Zhang, Deepak Sapkota +7
In this work, the magnetism of the single crystal CrNbS, which exhibits chiral magnetic soliton lattice (CSL) state, is investigated. The magnetization displays stron…
Observation of quantum oscillations near the Mott-Ioffe-Regel limit in CaAs3
Yuxiang Wang, Minhao Zhao, Jinglei Zhang +24
The Mott-Ioffe-Regel limit sets the lower bound of carrier mean free path for coherent quasiparticle transport. Metallicity beyond this limit is of great interest because it is oft…
A disorder-sensitive emergent vortex phase identified in high-Tc superconductor (Li,Fe)OHFeSe
Dong Li, Peipei Shen, Jinpeng Tian +14
The magneto-transport properties are systematically measured under c-direction fields up to 33 T for a series of single-crystal films of intercalated iron-selenide superconductor (…
Evolution of Weyl orbit and quantum Hall effect in Dirac semimetal Cd3As2
Cheng Zhang, Awadhesh Narayan, Shiheng Lu +14
Owing to the coupling between open Fermi arcs on opposite surfaces, topological Dirac semimetals exhibit a new type of cyclotron orbit in the surface states known as Weyl orbit. He…
Dominant itinerant ferromagnetism in Eu0.5Sr0.5CoO3: evidences from both critical analysis and Rhodes-Wohlfarth's criterion
Renwen Li, Feng Li, Jun Fang +4
The critical behaviors of ferromagnet Eu0.5Sr0.5CoO3 arround TC=140.5K have been comprehensively investigated by analyzing a series of isothermal magnetization M(H) curves. Both Mo…
Topological semimetal state and field-induced Fermi surface reconstruction in antiferromagnetic monopnictide NdSb
Yongjian Wang, J. H. Yu, Y. Q. Wang +19
We report the experimental realization of Dirac semimetal state in NdSb, a material with antiferromagnetic ground state. The occurrence of topological semimetal state has been well…
Multiple Weyl fermions in the noncentrosymmetric semimetal LaAlSi
Hao Su, Xianbiao Shi, Jian Yuan +10
The noncentrosymmetric RAlPn (R = rare earth, Pn = Si, Ge) family, predicted to host nonmagnetic and magnetic Weyl states, provide an excellent platform for investigating the relat…
Huge magnetostriction in superconducting single-crystalline BaFeNiAs
Minjie Zhang, Jiating Wu, Ke Shi +7
The performance of iron-based superconductors in high magnetic fields plays an important role for their practical application. In this work, we measured the magnetostriction and ma…
NMR study of the spin excitations in the frustrated antiferromagnet Yb(BaBO) with a triangular lattice
K. Y. Zeng, Long Ma, Y. X. Gao +3
In this paper, we study the spin excitation properties of the frustrated triangular-lattice antiferromagnet Yb(BaBO) with nuclear magnetic resonance. From the spectral anal…
Manipulating Multiple Order Parameters via Oxygen Vacancies: The case of Eu0.5Ba0.5TiO3-δ
Weiwei Li, Qian He, Le Wang +27
Controlling functionalities, such as magnetism or ferroelectricity, by means of oxygen vacancies (VO) is a key issue for the future development of transition metal oxides. Progress…
Enhanced Superconductivity and Mixed-dimensional Behaviour in Infinite-layer Samarium Nickelate Thin Films
Mingwei Yang, Heng Wang, Jiayin Tang +24
Rare-earth infinite-layer nickelates represent an emerging class of unconventional superconductors, with materials synthesis largely limited to early lanthanide compounds. Here, we…
Superconductivity and Charge Density Wave in ZrTeSe
Xiangde Zhu, Wei Ning, Lijun Li +12
Charge density wave (CDW), the periodic modulation of the electronic charge density, will open a gap on the Fermi surface that commonly leads to decreased or vanishing conductivity…
High magnetic field phase diagram and weak FM breaking in (Ni0.93Co0.07)3V2O8
Jiating Wu, Minjie Zhang, Ke Shi +7
We present magnetostriction and thermal expansion measurements on multiferroic (Ni0.93Co0.07)3V2O8. The high field phase diagrams up to 33 T along the a, b and c directions are bui…
Superconductivity with topological surface state in SrxBi2Se3
Zhongheng Liu, Xiong Yao, Jifeng Shao +5
By intercalation of alkaline-earth metal Sr in Bi2Se3, superconductivity with large shielding volume fraction (~91.5% at 0.5 K) has been achieved in Sr0.065Bi2Se3. The analysis of…
Local evidence for collective spin excitations in the distorted kagome antiferromagnet PrBWO
K. Y. Zeng, F. Y. Song, Z. M. Tian +8
We report the local probe investigation of a frustrated antiferromagnet PrBWO with the distorted kagome lattice. Absence of magnetic order or spin freezing is indicated by…
Phase transition and anomalous scaling in the quantum Hall transport of topological insulator Sn-Bi1.1Sb0.9Te2S devices
Faji Xie, Shuai Zhang, Qianqian Liu +12
The scaling physics of quantum Hall transport in optimized topological insulators with a plateau precision of ~1/1000 e2/h is considered. Two exponential scaling regimes are observ…
Large Magnetoresistance and Weak Antilocalization in V1-delta Sb2 Single Crystal
Yong Zhang, Xinliang Huang, Wenshuai Gao +2
The binary pnictide semimetals have attracted considerable attention due to their fantastic physical properties that include topological effects, negative magnetoresistance, Weyl f…
Quantum oscillation and nontrivial transport in the Dirac Semimetal Cd3As2 nanodevice
Haiyang Pan, Kang Zhang, Zhongxia Wei +9
Here we demonstrate the Shubnikov de Haas oscillation in high-quality Cd3As2 nanowires grown by a chemical vapor deposition approach. The dominant transport of topological Dirac fe…
The role of regular asymptomatic testing in reducing the impact of a COVID-19 wave
Miguel E. P. Silva, Martyn Fyles, Li Pi +4
Testing for infection with SARS-CoV-2 is an important intervention in reducing onwards transmission of COVID-19, particularly when combined with the isolation and contact-tracing o…
Unusual normal and superconducting state properties observed in hydrothermal Fe1-xSe flakes
Shaobo Liu, Sheng Ma, Zhaosheng Wang +14
The electronic and superconducting properties of Fe1-xSe single-crystal flakes grown hydrothermally are studied by the transport measurements under zero and high magnetic fields up…
Oxygen-Vacancy-Induced Antiferromagnetism to Ferromagnetism Transformation in Multiferroic Thin Films
Weiwei Li, Run Zhao, Le Wang +15
Oxygen vacancies (VOs) effects on magnetic ordering in Eu0.5Ba0.5TiO3-δ (EBTO3-δ) thin films have been investigated using a combination of experimental measurements and first-pri…
The effect of Al doping on the structure and magnetism in cobaltite CaBaCo4O7
Youming Zou, Zhe Qu, Lei Zhang +4
We report the effects of Al-doping on the structure and magnetic properties in CaBa(CoAl)O (0x0.25). The system exhibits a structural transition f…
Magnetism-induced topological transition in EuAs3
Erjian Cheng, Wei Xia, Xianbiao Shi +15
The nature of the interaction between magnetism and topology in magnetic topological semimetals remains mysterious, but may be expected to lead to a variety of novel physics. We pr…
Magnetic-field-induced nonlinear transport in HfTe5
Cheng Zhang, Jinshan Yang, Zhongbo Yan +8
The interplay of electron correlations and topological phases gives rise to various exotic phenomena including fractionalization, excitonic instability, and axionic excitation. Rec…
Experimental evidence and control of the bulk-mediated intersurface coupling in topological insulator Bi2Te2Se nanoribbons
Zhaoguo Li, Ion Garate, Jian Pan +14
Nearly a decade after the discovery of topological insulators (TIs), the important task of identifying and characterizing their topological surface states through electrical transp…
High-field NMR study of the spin correlations in the spin-cluster mineral NaCuO(SO)
Long Ma, J. X. Li, L. S. Ling +6
We report NMR study on the spin correlations in the spin-cluster based mineral NaCuO(SO) with magnetic fields ranged from 1 T to 33 T. The long-range magnetic order…
Giant domain wall anomalous Hall effect in an antiferromagnet
Wei Xia, Bo Bai, Xuejiao Chen +25
Generally, the dissipationless Hall effect in solids requires time-reversal symmetry breaking (TRSB), where TRSB induced by external magnetic field results in ordinary Hall effect,…
Absence of high-field spin supersolid phase in RbCo(SeO) with a triangular lattice
K. Shi, Y. Q. Han, B. C. Yu +7
Magnetization, torque magnetometry, specific heat and nuclear magnetic resonance (NMR) are used to study the high field intermediate phase between the 1/3-magnetization plateau and…
Stepwise quantized surface states and delayed Landau level hybridization in Co cluster-decorated BiSbTeSe2 topological insulator devices
Shuai Zhang, Li Pi, Rui Wang +16
In three-dimensional topological insulators (TIs), the nontrivial topology in their electronic bands casts a gapless state on their solid surfaces, using which dissipationless TI e…
Anomalies of upper critical field in the spinel superconductor LiTiO
Zhongxu Wei, Ge He, Wei Hu +11
High-field electrical transport and point-contact tunneling spectroscopy were used to investigate superconducting properties of the unique spinel oxide, LiTiO films wi…
Gapless quantum spin liquid ground state in the two-dimensional spin-1/2 triangular antiferromagnet YbMgGaO
Yuesheng Li, Haijun Liao, Zhen Zhang +10
Quantum spin liquid (QSL) is a novel state of matter which refuses the conventional spin freezing even at 0 K. Experimentally searching for the structurally perfect candidates is a…
Giant enhancement of critical current density at high field in superconducting (Li,Fe)OHFeSe films by Mn doping
Dong Li, Jie Yuan, Peipei Shen +14
Critical current density (Jc) is one of the major limiting factors for high field applications of iron-based superconductors. Here, we report that Mn-ions are successfully incorpor…
Superconducting properties of novel BiSe-based layered LaOFBiSe single crystals
Jifeng Shao, Zhongheng Liu, Xiong Yao +5
F-doped LaOBiSe superconducting single crystals with typical size of 240.2 mm are successfully grown by flux method and the superconducting properties a…
Incommensurate magnetic order in SmBWO with the distorted kagome lattice
K. Y. Zeng, F. Y. Song, L. S. Ling +5
We investigate the magnetic ground state of SmBWO with the distorted kagome lattice. A magnetic phase transition is identified at K from the temperature dependen…
Field re-entrant superconductivity in Eu-doped infinite-layer nickelates
Mingwei Yang, Jiayin Tang, Xianfeng Wu +19
Intertwined superconducting and magnetic orders may give rise to exotic quantum phases, including field-induced and re-entrant superconductivity. However, such magnetism-enhanced s…
Multi-origin driven giant planar Hall effect in topological antiferromagnet EuAl2Si2 with tunable spin texture
Xiangqi Liu, Ziyi Zhu, Yixuan Luo +11
In topological materials, the planar Hall effect (PHE) is often regarded as a hallmark of profound quantum phenomena-most notably the Adler-Bell-Jackiw chiral anomaly and Berry cur…
Single Crystal Growth of the New Pressure-induced-superconductor CrAs via Chemical Vapor Transport
Xiangde Zhu, Langsheng Ling, Yuyan Han +6
Mono-arsenide CrAs, endures a helical anti-ferromagnetic order transition at~ 265 K under ambient pressure. Recently, pressure-induced-superconductivity was discovered vicinity to…
NMR study of the spin correlations in the armchair chain NiNbBO
K. Y. Zeng, Long Ma, L. M. Xu +3
We report our nuclear magnetic resonance (NMR) study on the structurally spin chain compound NiNbBO with complex magnetic coupling. The antiferromagnetic transition is moni…
Rare-earth triangular lattice spin liquid: a single-crystal study of YbMgGaO
Yuesheng Li, Gang Chen, Wei Tong +5
YbMgGaO, a structurally perfect two-dimensional triangular lattice with odd number of electrons per unit cell and spin-orbit entangled effective spin-1/2 local moments of Yb$…
Pressure induced re-emergence of superconductivity in superconducting topological insulator Sr0.065Bi2Se3
Yonghui Zhou, Xuliang Chen, Ranran Zhang +10
The recent-discovered SrBiSe superconductor provides an alternative and ideal material base for investigating possible topological superconductivity. Here, we report th…
Magnetotransport in Al6Re
Erjian Cheng, Darren C. Peets, Chuanying Xi +3
Since very few Type-I superconductors are known and most are elemental superconductors, there are very few experimental platforms where the interaction between Type-I superconducti…
Non-saturating Quantum Magnetization in Weyl semimetal TaAs
Cheng-Long Zhang, C. M. Wang, Zhujun Yuan +8
Detecting the spectroscopic signatures of Dirac-like quasiparticles in emergent topological materials is crucial for searching their potential applications. Magnetometry is a power…
Magnetic properties of the ferrimagnetic cobaltite CaBaCo4O7
Zhe Qu, Langsheng Ling, Lei Zhang +2
The magnetic properties of the ferrimagnetic cobaltite CaBaCoO are systematically investigated. We find that the susceptibility exhibits a downward deviation below 3…
Novel magnetic field tuning of quantum spin excitations in a weakly coupled 1/2 Heisenberg spin chain as seen from NMR
Long Ma, Z. Wang, L. Hu +3
We report our NMR study of the spin excitations in the quasi-one dimensional (1D) quantum magnet CHNHCu(HCOO) lying in the 1D-3D dimensional crossover regime wi…