activity
20112020
most citedIntrinsic Correlation between Hardness and Elasticity in Polycrystalline Materials and Bulk Metallic Glasses

2.7k citations · 4.6k across the 19 of their papers we have counts for

collaborators

19 papers

cond-mat.mtrl-sci2020★ 468 cited

Structure-driven intercalated architecture of septuple-atomic-layer family with diverse properties from semiconductor to topological insulator to Ising superconductor

Lei Wang, Yongpeng Shi, Mingfeng Liu +8

Motivated by the fact that septuple-atomic-layer MnBiTe can be structurally viewed as the combination of double-atomic-layer MnTe intercalating into quintuple-atomic-layer…

cond-mat.mtrl-sci2019★ 36 cited

Underlying topological Dirac nodal line mechanism of anomalously large electron-phonon coupling strength on Be (0001) surface

Ronghan Li, Jiangxu Li, Lei Wang +4

Beryllium was recently discovered to harbor a Dirac nodal line (DNL) in its bulk phase and the DNL-induced non-trivial drumhead-like surface states (DNSSs) on its (0001) surface, r…

cond-mat.mtrl-sci2018★ 86 cited

Phononic Weyl Nodal Straight Lines in High-Temperature Superconductor MgB

Qing Xie, Jiangxu Li, Min Liu +4

Based on first-principles calculations, we predict that the superconducting MgB with a AlB-type centrosymmetric lattice host the so-called phononic topological Weyl nodal l…

cond-mat.mtrl-sci2017★ 107 cited

Coexisted Three-component Bosons and Two-component Weyl Bosons in TiS, ZrSe and HfTe

J. X. Li, Q. Xie, S. Ullah +5

In analogy to various fermions of electrons in topological semimetals, topological mechanical states with two type of bosons, Dirac and Weyl bosons, were reported in some macroscop…

cond-mat.mtrl-sci2017★ 107 cited

Three-component bosons in TiS, ZrSe and HfTe

Sami Ullah, Jiangxu Li, Ronghan Li +5

Topological semimetals with several types of three-dimensional (3D) fermion of electrons, such as Dirac fermions, Weyl fermions, Dirac nodal lines and triply degenerate nodal point…

cond-mat.mtrl-sci2017★ 150 cited

Topological nodal line states and a potential catalyst of hydrogen evolution in the TiSi family

Jiangxu Li, Hui Ma, Shaobo Feng +6

Topological nodal line (DNL) semimetals, formed by a closed loop of the inverted bands in the bulk, result in the nearly flat drumhead-like surface states with a high electronic de…

cond-mat.mtrl-sci2016★ 211 cited

Dirac node lines in pure alkali earth metals

Ronghan Li, Xiyue Cheng, Hui Ma +5

Beryllium is a simple alkali earth metal, but has been the target of intensive studies for decades because of its unusual electron behaviors at surfaces. Puzzling aspects include (…

cond-mat.mtrl-sci2015★ 8 cited

Combined Fast Reversible Liquid-like Elastic Deformation with Topological Phase Transition in NaBi

Xiyue Cheng, Ronghan Li, Dianzhong Li +2

By means of first-principles calculations, we identified the structural phase transition of NaBi from hexagonal ground state to cubic 16 phase above 0.8 GPa, in agreement w…

cond-mat.mtrl-sci2014

Topological Metal of NaBi with Ultralow Lattice Thermal Conductivity and Electron-phonon Superconductivity

Xing-Qiu Chen, Ronghan Li, Yan Sun +3

By means of first-principles and \emph{ab initio} tight-binding calculations, we found that the compound of NaBi is a three-dimensional non-trivial topological metal. Its topologic…

cond-mat.mtrl-sci2014★ 60 cited

Effects of dilute substitutional solutes on carbon in -Fe: interactions and associated carbon diffusion from first-principles calculations

Peitao Liu, Weiwei Xing, Xiyue Cheng +3

By means of first-principles calculations coupled with the kinetic Monte Carlo simulations, we have systematically investigated the effects of dilute substitutional solutes on the…

cond-mat.mtrl-sci2014

The three-dimensional topological Dirac semimetal NaBi: the ground state phase

Xiyue Cheng, Ronghan Li, Xing-Qiu Chen +2

By means of first-principles calculations, we found that the early characterized three-dimensional topological bulk Dirac semimetal of the 6/ NaBi is dynamically un…

cond-mat.mtrl-sci2013

A Unified Mechanism for Hydrogen Trapping at Metal Vacancies

Weiwei Xing, Xing-Qiu Chen, Gang Lu +2

Interaction between hydrogen (H) and metals is central to many materials problems of scientific and technological importance. Chief among them is the development of H storage and H…

cond-mat.mtrl-sci2013★ 75 cited

Interstitial-Boron Solution Strengthened WB

Xiyue Cheng, Wei Zhang, Xing-Qiu Chen +8

By means of variable-composition evolutionary algorithm coupled with density functional theory and in combination with aberration-corrected high-resolution transmission electron mi…

cond-mat.mtrl-sci2013★ 137 cited

Rock-salt SnS and SnSe: Native Topological Crystalline Insulators

Yan Sun, Zhicheng Zhong, Tomonori Shirakawa +5

Unlike time-reversal topological insulators, surface metallic states with Dirac cone dispersion in the recently discovered topological crystalline insulators (TCIs) are protected b…

cond-mat.mtrl-sci2013★ 1 cited

How Channel Segregates Originates: The Flow of Accumulated Impurity Clusters in Solidifying Steels

Dianzhong Li, Xing-Qiu Chen, Paixian Fu +5

The phenomenon, channel segregates (CS) as a result of gravity-driven flow due to density contrast occurred in the solid-liquid mushy zones1during solidification, often causes the…

cond-mat.mtrl-sci2012★ 196 cited

Families of superhard crystalline carbon allotropes induced via cold-compressed graphite and nanotubes

Haiyang Niu, Xing-Qiu Chen, Shibing Wang +3

We report a general scheme to systematically construct two classes of structural families of superhard sp3 carbon allotropes of cold compressed graphite through the topological ana…

cond-mat.mtrl-sci2011★ 191 cited

Hardness of T-carbon: Density functional theory calculations

Xing-Qiu Chen, Haiyang Niu, Cesare Franchini +2

We revisit and interpret the mechanical properties of the recently proposed allotrope of carbon, T-carbon [Sheng \emph{et al.}, Phys. Rev. Lett., \textbf{106}, 155703 (2011)], usin…

cond-mat.mtrl-sci2011★ 36 cited

Strain driven onset of non-trivial topological insulating states in Zintl Sr compounds (=Pb, Sn)

Yan Sun, Xing-Qiu Chen, Dianzhong Li +4

We explore the topological behavior of the binary Zintl phase of the alkaline earth metals based compounds SrPb and SrSn using both standard and hybrid density functional t…

cond-mat.mtrl-sci2011★ 2.7k cited

Intrinsic Correlation between Hardness and Elasticity in Polycrystalline Materials and Bulk Metallic Glasses

Xing-Qiu Chen, Haiyang Niu, Dianzhong Li +1

Though extensively studied, hardness, defined as the resistance of a material to deformation, still remains a challenging issue for a formal theoretical description due to its inhe…