Yanhui Hou
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View article: Unusual charge density wave introduced by the Janus structure in monolayer vanadium dichalcogenides
Unusual charge density wave introduced by the Janus structure in monolayer vanadium dichalcogenides Open
As a fundamental structural feature, the symmetry of materials determines the exotic quantum properties in transition metal dichalcogenides (TMDs) with charge density waves (CDWs). The Janus structure, an artificially constructed lattice, …
View article: Drought weakens the positive effect of plant diversity on community biomass
Drought weakens the positive effect of plant diversity on community biomass Open
Drought can greatly impact the biodiversity of an ecosystem and play a crucial role in regulating its functioning. However, the specific mechanisms by which drought mediate the biodiversity effect (BE) on community biomass in above- and be…
View article: Unusual charge density wave introduced by Janus structure in monolayer vanadium dichalcogenides
Unusual charge density wave introduced by Janus structure in monolayer vanadium dichalcogenides Open
As a fundamental structural feature, the symmetry of materials determines the exotic quantum properties in transition metal dichalcogenides (TMDs) with charge density wave (CDW). Breaking the inversion symmetry, the Janus structure, an art…
View article: Whole-soil warming leads to substantial soil carbon emission in an alpine grassland
Whole-soil warming leads to substantial soil carbon emission in an alpine grassland Open
The sensitivity of soil organic carbon (SOC) decomposition in seasonally frozen soils, such as alpine ecosystems, to climate warming is a major uncertainty in global carbon cycling. Here we measure soil CO 2 emission during four years (201…
View article: Research on Surface Tension Tank Technology of Aerospace Cryogenic Propellant
Research on Surface Tension Tank Technology of Aerospace Cryogenic Propellant Open
This paper briefly introduces the research progress of long-term on-orbit storage and supply technology of cryogenic propellant, analyzes the task characteristics, sorts out the technical difficulties, and puts forward the key technologies…
View article: Quantum spin liquid signatures in monolayer 1T-NbSe2
Quantum spin liquid signatures in monolayer 1T-NbSe2 Open
Quantum spin liquids (QSLs) are in a quantum disordered state that is highly entangled and has fractional excitations. As a highly sought-after state of matter, QSLs were predicted to host spinon excitations and to arise in frustrated spin…
View article: Plant diversity increases above- and below-ground biomass by regulating multidimensional functional trait characteristics
Plant diversity increases above- and below-ground biomass by regulating multidimensional functional trait characteristics Open
Background and Aims Nitrogen enrichment affects biodiversity, plant functional traits and ecosystem functions. However, the direct and indirect effects of nitrogen addition and biodiversity on the links between plant traits and ecosystem f…
View article: Atomic-Scale Visualization of Chiral Charge Density Wave States and Their Reversible Transition
Atomic-Scale Visualization of Chiral Charge Density Wave States and Their Reversible Transition Open
Chirality is essential for various amazing phenomena in life and matter. However,chirality and its switching in electronic superlattices, such as charge density wave(CDW) arrays, remain elusive. In this study, we characterize the chirality…
View article: Spirocyclic side chain of a non-fullerene acceptor enables efficient organic solar cells with reduced recombination loss and energetic disorder
Spirocyclic side chain of a non-fullerene acceptor enables efficient organic solar cells with reduced recombination loss and energetic disorder Open
Suppressing intramolecular vibration of non-fullerene acceptors (NFAs) by molecular rigidification has been proven to be an effective way to reduce the non-radiative recombination loss and energetic disorder of organic solar cells (OSCs).
View article: Cropland‐to‐<i>Miscanthus</i> conversion alters soil bacterial and archaeal communities influencing N‐cycle in Northern China
Cropland‐to‐<i>Miscanthus</i> conversion alters soil bacterial and archaeal communities influencing N‐cycle in Northern China Open
Miscanthus spp. are increasingly cultivated in cropland worldwide due to their bioenergy potential and multiple ecological services. Effects of long‐term cropland‐to‐ Miscanthus conversion without N fertilizer on soil microbiome and N cycl…
View article: A global meta-analysis of the effects of plant diversity on biomass partitioning in grasslands
A global meta-analysis of the effects of plant diversity on biomass partitioning in grasslands Open
The partitioning of belowground biomass (BGB) to aboveground biomass (AGB) is commonly described as the root-to-shoot ratio (R/S). Although a number of studies have shown that biodiversity can influence AGB and BGB in grasslands at the loc…
View article: Experimental Evidence of Chiral Symmetry Breaking in Kekulé-Ordered Graphene
Experimental Evidence of Chiral Symmetry Breaking in Kekulé-Ordered Graphene Open
The low-energy excitations of graphene are relativistic massless Dirac fermions with opposite chiralities at valleys K and K^{'}. Breaking the chiral symmetry could lead to gap opening in analogy to dynamical mass generation in particle ph…
View article: A global meta-analysis of the effects of plant diversity on biomass partitioning in grasslands
A global meta-analysis of the effects of plant diversity on biomass partitioning in grasslands Open
The partitioning of below- to aboveground biomass is commonly described as the root-to-shoot ratio (R/S). Although a number of studies have shown that biodiversity can influence above- and belowground biomass in grasslands at the local and…
View article: Review: Progress on 2D topological insulators and potential ap-plications in electronic devices
Review: Progress on 2D topological insulators and potential ap-plications in electronic devices Open
Two-dimensional topological insulators (2DTI) have attracted increasing attention during the past few years. New 2DTI with increasing larger spin-orbit coupling (SOC) gaps have been predicted by theoretical calculations and some of them ha…
View article: Strong and Tunable Electrical Anisotropy in Type‐II Weyl Semimetal Candidate WP<sub>2</sub> with Broken Inversion Symmetry
Strong and Tunable Electrical Anisotropy in Type‐II Weyl Semimetal Candidate WP<sub>2</sub> with Broken Inversion Symmetry Open
A transition metal diphosphide, WP 2 , is a candidate for type‐II Weyl semimetals (WSMs) in which spatial inversion symmetry is broken and Lorentz invariance is violated. As one of the prerequisites for the presence of the WSM state in WP …
View article: First-Principles Study of Elastic and Surfaces Properties of a#937;(Al2Cu) Phase
First-Principles Study of Elastic and Surfaces Properties of a#937;(Al2Cu) Phase Open
Elastic and surface properties of Ω phase have been studied by using the first-principles calculations based on density functional theory.The elastic properties results show that Ω structures are more inclined to resist shear deformation t…
View article: Phase-field Simulation of Effect of the Second-phase Particles with Different Geometric Orientations on Grain Evolution
Phase-field Simulation of Effect of the Second-phase Particles with Different Geometric Orientations on Grain Evolution Open
Grain growth has significant effect on the material's microstructure and properties.In this thesis, the grain growth processes under the conditions of the second-phase particles (SPP) with different geometric orientations are studied by me…
View article: First-principles Study on the Properties of GPBII(Al2CuMg)(001)and S(Al2CuMg)(001) Surfaces
First-principles Study on the Properties of GPBII(Al2CuMg)(001)and S(Al2CuMg)(001) Surfaces Open
Surface structure and electronic properties of (001) surfaces of GPBII and Sphase were studied by using first-principles calculations.The calculations are performed within the density functional framework using the projector augmented plan…
View article: The Phase Field Method to Simulate the Evolution of Two Phase
The Phase Field Method to Simulate the Evolution of Two Phase Open
A phase field model which contains two phase grain growth in binary alloys was used to study the effect of the same or different initial grain fraction and the different diffusion coefficients on the two-phase grain structure evolution.The…