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20032026
most citedGate-tunable Room-temperature Ferromagnetism in Two-dimensional FeGeTe

2.6k citations

Showing 2019 · cond-mat.str-elShow all

40 papers · 2 filters

cond-mat.str-el2019★ 12 cited

Interacting topological mirror excitonic insulator in one dimension

Lun-Hui Hu, Rui-Xing Zhang, Fu-Chun Zhang +1

We introduce the topological mirror excitonic insulator as a new type of interacting topological crystalline phase in one dimension. Its mirror-symmetry-protected topological prope…

cond-mat.str-el2019★ 34 cited

Widely existing mixed phase structure of quantum dimer model on square lattice

Zheng Yan, Zheng Zhou, Olav F. Syljuåsen +4

Since constraints hinder the application of numerical algorithms, phase diagrams of quantum dimer models are still controversial, even on the square lattice. The core controversy i…

cond-mat.str-el2019★ 31 cited

Realization of metallic state in 1T-TaS2 with persisting long-range order of charge density wave

Xin-Yang Zhu, Shi Wang, Zhen-Yu Jia +10

Metallization of 1T-TaS2 is generally initiated at the domain boundary of charge density wave (CDW), at the expense of its long-range order. However, we demonstrate in this study t…

cond-mat.str-el2019★ 30 cited

Persistent Insulator: Avoidance of Metallization at Megabar Pressures in Strongly Spin-Orbit-Coupled Sr2IrO4

Chunhua Chen, Yonghui Zhou, Xuliang Chen +12

It is commonly anticipated that an insulating state collapses in favor of an emergent metallic state at high pressures as the unit cell shrinks and the electronic bandwidth broaden…

cond-mat.str-el2019★ 17 cited

Electronic and magnetic properties of perovskite selenite and tellurite compounds: CoSeO, NiSeO, CoTeO and NiTeO

A. Rafi M. Iasir, Todd Lombardi, Qiangsheng Lu +4

Selenium and tellurium are among the few elements that form O perovskite structures with a four valent ion in the site. This leads to highly distorted structures and un…

cond-mat.str-el2019★ 1 cited

Insulator-metal transition and quasi-flat-band of Shastry-Sutherland lattice

Huai-Xiang Huang, Jing Chen, Wei Ren +3

Insulator-metal transition is investigated self-consistently on the frustrated Shastry-Sutherland lattice in the framework of Slave-Boson mean-field theory. Due to the presence of…

cond-mat.str-el2019★ 9 cited

Quantum Criticality of Excitonic Insulating Transition in Nodal Line Semimetal ZrSiS

Jing-Rong Wang, Guo-Zhu Liu, Xiangang Wan +1

Pezzini et al. reported an unconventional mass enhancement in topological nodal line semimetal ZrSiS (Nat. Phys. 14, 178 (2018), whose origin remains puzzling. In this material, st…

cond-mat.str-el2019★ 10 cited

Unusual slow magnetic fluctuations and critical slowing down in SrIrRhO

C. Tan, Z. F. Ding, J. Zhang +9

Hidden magnetic order of SrIrRhO, and 0.1, has been studied using muon spin relaxation spectroscopy. In zero applied field and weak longitudinal fiel…

cond-mat.str-el2019★ 31 cited

Construction and classification of point group symmetry protected topological phases in 2D interacting fermionic systems

Jian-Hao Zhang, Qing-Rui Wang, Shuo Yang +2

The construction and classification of symmetry-protected topological (SPT) phases in interacting bosonic and fermionic systems have been intensively studied in the past few years.…

cond-mat.str-el2019★ 41 cited

Intrinsic quantum Ising model on a triangular lattice magnet TmMgGaO and beyond

Changle Liu, Chun-Jiong Huang, Gang Chen

The rare-earth magnet TmMgGaO is proposed to be an intrinsic quantum Ising magnet described by the antiferromagnetic transverse field Ising model (TFIM) on a triangular latti…

cond-mat.str-el2019★ 3 cited

Electric-field control of collective spin excitations in Neel-type skyrmions

Hong-Bo Chen, You-Quan Li

We demonstrate that an electric field could activate the three low-energy eigenmodes of the Neel-type skyrmion lattice via the electrically induced Dzyaloshinskii-Moriya interactio…

cond-mat.str-el2019★ 193 cited

Spin fluctuation induced Weyl semimetal state in the paramagnetic phase of EuCdAs

J. -Z. Ma, S. M. Nie, C. J. Yi +22

Weyl fermions as emergent quasiparticles can arise in Weyl semimetals (WSMs) in which the energy bands are nondegenerate, resulting from inversion or time-reversal symmetry breakin…

cond-mat.str-el2019★ 183 cited

Strange metal behavior in a pure ferromagnetic Kondo lattice

Bin Shen, Yongjun Zhang, Yashar Komijani +12

The strange metal phases found to develop in a wide range of materials near a quantum critical point (QCP), have posed a long-standing mystery. The frequent association of strange…

cond-mat.str-el2019★ 17 cited

Generalized Lieb-Schultz-Mattis theorem on bosonic symmetry protected topological phases

Shenghan Jiang, Meng Cheng, Yang Qi +1

We propose and prove a family of generalized Lieb-Schultz-Mattis (LSM) theorems for symmetry protected topological (SPT) phases on boson/spin models in any dimensions. The "convent…

cond-mat.str-el2019★ 93 cited

Kosterlitz-Thouless Melting of Magnetic Order in the Triangular Quantum Ising Material TmMgGaO

Han Li, Yuan Da Liao, Bin-Bin Chen +5

Frustrated magnets host the promises of material realizations of new paradigm of quantum matter, while direct comparison of unbiased model calculations with experimental measuremen…

cond-mat.str-el2019★ 15 cited

Large Fermi Surface Expansion through Anisotropic c-f Mixing in the Semimetallic Kondo Lattice System CeBi

Peng Li, Zhongzheng Wu, Fan Wu +11

Using angle-resolved photoemission spectroscopy (ARPES) and resonant ARPES, we report evidence of strong anisotropic conduction-f electron mixing (c-f mixing) in CeBi by observing…

cond-mat.str-el2019★ 6 cited

Low-temperature thermal conductivity and magnetic transitions of the kagomé-staircase compound NiVO

Z. Y. Zhao, Q. J. Li, X. G. Liu +6

Kagomé-staircase compound NiVO is an attractive multiferroic material exhibiting rich phase diagrams. However, the magnetic properties and magnetic transitions have bee…

cond-mat.str-el2019★ 8 cited

Extremely large magnetoresistance and compensated Fermi surfaces in the antiferromagnetic semimetal YbAs

W. Xie, Y. Wu, F. Du +10

A number of rare-earth monopnictides have topologically non-trivial band structures together with magnetism and strong electronic correlations. In order to examine whether the anti…

cond-mat.str-el2019★ 1 cited

Contrasting magnetism in isovalent layered LaSr3NiRuO4H4 and LaSrNiRuO4 due to distinct spin-orbital states

Xuan Wen, Ke Yang, Hua Wu

The recently synthesized first 4d transition-metal oxide-hydride LaSr3NiRuO4H4 with the unusual high H:O ratio surprisingly displays no magnetic order down to 1.8 K. This is in sha…

cond-mat.str-el2019★ 18 cited

Pressure enhanced interplay among lattice, spin and charge in La2FeMnO6 mixed perovskite

Nana Li, Fengren Fan, Fei Sun +16

Spin crossover plays a central role in the structural instability, net magnetic moment modification, metallization, and even in superconductivity in corresponding materials. Most r…

cond-mat.str-el2019★ 81 cited

Absence of magnetic thermal conductivity in the quantum spin liquid candidate EtMe3Sb[Pd(dmit)2]2 -- revisited

J. M. Ni, B. L. Pan, Y. Y. Huang +6

We present the ultralow-temperature specific heat and thermal conductivity measurements on single crystals of triangular-lattice organic compound EtMeSb[Pd(dmit)], whic…

cond-mat.str-el2019★ 1 cited

Electron-Nuclear Hyperfine Coupling in Quantum Kagome Antiferromagnets from First-Principles Calculation and a Reflection of the Defect Effect

Shunhong Zhang, Yi Zhou, Feng Liu +1

The discovery of ideal spin-1/2 kagome antiferromagnets Herbertsmithite and Zn-doped Barlowite represents a breakthrough in the quest for quantum spin liquids (QSLs), and nuclear m…

cond-mat.str-el2019★ 11 cited

Pseudogap and weak multifractality in disordered Mott charge-density-wave insulator

Jianhua Gao, Jae Whan Park, Kiseok Kim +5

The competition, coexistence and cooperation of various orders in low-dimensional materials like spin, charge, topological orders and charge-density-wave has been one of the most i…

cond-mat.str-el2019★ 241 cited

Experimental identification of quantum spin liquids

Jinsheng Wen, Shun-Li Yu, Shiyan Li +2

In condensed matter physics, there is a novel phase termed "quantum spin liquid", in which strong quantum fluctuations prevent the long-range magnetic order from being established,…