Publications (25)
Orbital-selective band modifications in a charge-ordered kagome metal LuNbSn
Rui Lou, Yumeng Zhang, Erjian Cheng +19
The origin of the charge order in kagome lattice materials has attracted great interest due to the unique electronic structure features connected to kagome networks and the interpl…
Electronic band structures of topological kagome materials
Man Li, Huan Ma, Rui Lou +1
The kagome lattice has garnered significant attention due to its ability to host quantum spin Fermi liquid states. Recently, the combination of unique lattice geometry, electron-el…
Magnetoresistance and Shubnikov-de Hass oscillation in YSb
Qiao-He Yu, Yi-Yan Wang, Rui Lou +5
YSb crystals are grown and the transport properties under magnetic field are measured. The resistivity exhibits metallic behavior under zero magnetic field and the low temperature…
Identifying open-orbit topological surface states in dual topological semimetal TaSb
Susmita Changdar, Heike Schlörb, Oleksandr Suvorov +8
TaSb, a member of the transition metal dipnictide family of materials, hosts the very rare dual topological phase - weak topological insulating state and topological crystallin…
Topological phase transition between distinctWeyl semimetal states in MoTe2
Anmin Zhang, Xiaoli Ma, Changle Liu +10
We present experimental evidence of an intriguing phase transition between distinct topological states in the type-II Weyl semimetal MoTe2. We observe anomalies in the Raman phonon…
Three prerequisites for high-temperature superconductivity in t-PtBi
Andrii Kuibarov, Susmita Changdar, Riccardo Vocaturo +9
Although the generic mechanism behind high-temperature superconductivity remains notoriously elusive, a set of favorable conditions for its occurrence in a given material has emerg…
Experimental observation of bulk nodal lines and electronic surface states in ZrB
Rui Lou, Pengjie Guo, Man Li +14
Topological nodal-line semimetals are characterized by the line-contact bulk band crossings and the topological surface states. Breaking certain protecting symmetry turns this syst…
Superconducting Arcs
Andrii Kuibarov, Oleksandr Suvorov, Riccardo Vocaturo +12
An essential ingredient for the production of Majorana fermions that can be used for quantum computing is the presence of topological superconductivity. As bulk topological superco…
Electronic structure and open-orbit Fermi surface topology in isostructural semimetals NbAs and WAs with extremely large magnetoresistance
Rui Lou, Yiyan Wang, Lingxiao Zhao +11
In transition-metal dipnictides ( = Ta, Nb; = P, As, Sb), the origin of extremely large magnetoresistance (XMR) is yet to be studied by the direct visualization o…
Suppression of nematicity by tensile strain in multilayer FeSe/SrTiO films
Rui Lou, Oleksandr Suvorov, Hans-Joachim Grafe +6
The nematicity in multilayer FeSe/SrTiO films has been previously suggested to be enhanced with decreasing film thickness. Motivated by this, there have been many discussions a…
Emergence of Fermi arcs and novel magnetic splitting in an antiferromagnet
Benjamin Schrunk, Yevhen Kushnirenko, Brinda Kuthanazhi +14
The Fermi arcs are signatures of exotic states in solids because they defy conventional concept of Fermi surfaces as closed contours in momentum space. Fermi arcs were first discov…
Sudden gap-closure across the topological phase transition in BiInSe
Rui Lou, Zhonghao Liu, Wencan Jin +10
The phase transition from a topological insulator to a trivial band insulator is studied by angle-resoled photoemission spectroscopy on BiInSe single crystals.…
Striped magnetization plateau and chirality-reversible anomalous Hall effect in a magnetic kagome metal
Erjian Cheng, Ning Mao, Xiaotian Yang +19
Kagome materials with magnetic frustration in two-dimensional networks are known for their exotic properties, such as the anomalous Hall effect (AHE) with non-collinear spin textur…
Interplay between multiple charge-density waves and the relationship with superconductivity in PdHoTe
Rui Lou, Yipeng Cai, Zhonghao Liu +10
HoTe, a member of the rare-earth tritelluride (Te) family, and its Pd-intercalated compounds, PdHoTe, where superconductivity (SC) sets in as the charge-de…
Accessing quasi-flat -bands to harvest large Berry curvature in NdGaSi
Anyesh Saraswati, Jyotirmoy Sau, Vera Misheneva +10
In typical rare-earth lanthanide compounds, the localized 4\textit{f}-electrons have a weak effect on the electrical conduction, limiting their influence on the Berry curvature and…
Charge-Density-Wave-Induced Peak-Dip-Hump Structure and the Multiband Superconductivity in a Kagome Superconductor CsVSb
Rui Lou, Alexander Fedorov, Qiangwei Yin +7
The entanglement of charge density wave (CDW), superconductivity, and topologically nontrivial electronic structure has recently been discovered in the kagome metal VSb…
Measuring superconducting arcs by ARPES
Andrii Kuibarov, Susmita Changdar, Alexander Fedorov +8
Angle-resolved photoemission spectroscopy is the leading tool for studying the symmetry and structure of the order parameter in superconductors. The recent improvement of the techn…
Tunable positions of Weyl nodes via magnetism and pressure in the ferromagnetic Weyl semimetal CeAlSi
Erjian Cheng, Limin Yan, Xianbiao Shi +15
The noncentrosymmetric ferromagnetic Weyl semimetal CeAlSi with simultaneous space-inversion (SI) and time-reversal (TR) symmetry breaking provides a unique platform for the explor…
Electronic structure and signature of Tomonaga-Luttinger liquid state in epitaxial CoSb nanoribbons
Rui Lou, Minyinan Lei, Wenjun Ding +12
Recently, monolayer CoSb/SrTiO has been proposed as a candidate harboring interfacial superconductivity in analogy with monolayer FeSe/SrTiO. Experimentally, while the CoSb…
Signature of weakly coupled electrons and conduction electrons in magnetic Weyl semimetal candidates PrAlSi and SmAlSi
Rui Lou, Alexander Fedorov, Lingxiao Zhao +3
Magnetic topological materials are a class of compounds with the underlying interplay of nontrivial band topology and magnetic spin configuration. Extensive interests have been aro…
Strongly Entangled Kondo and Kagome Lattices and the Emergent Magnetic Ground State in Heavy-Fermion Kagome Metal YbVSn
Rui Lou, Max Mende, Riccardo Vocaturo +31
Applying angle-resolved photoemission spectroscopy and density functional theory calculations, we present compelling spectroscopic evidence demonstrating the intertwining and mutua…
Observation of oscillatory relaxation in the Sn-terminated surface of epitaxial rock-salt SnSe topological crystalline insulator
Wencan Jin, Suresh Vishwanath, Jianpeng Liu +20
Topological crystalline insulators have been recently predicted and observed in rock-salt structure SnSe thin films. Previous studies have suggested that the Se-terminate…
Large intrinsic anomalous Hall effect in half-metallic ferromagnet Co3Sn2S2 with magnetic Weyl fermions
Qi Wang, Yuanfeng Xu, Rui Lou +7
The origin of anomalous Hall effect (AHE) in magnetic materials is one of the most intriguing aspect in condensed matter physics and has been controversial for a long time. Recent…
Orbital-selective effect of spin reorientation on the Dirac fermions in a non-charge-ordered kagome ferromagnet FeGe
Rui Lou, Liqin Zhou, Wenhua Song +13
Kagome magnets provide a fascinating platform for the realization of correlated topological quantum phases under various magnetic ground states. However, the effect of the magnetic…
Experimental Observation of Dirac Nodal Links in Centrosymmetric Semimetal TiB
Zhonghao Liu, Rui Lou, Pengjie Guo +9
The topological nodal-line semimetal state, serving as a fertile ground for various topological quantum phases, where a topological insulator, Dirac semimetal, or Weyl semimetal ca…