Project supported financially by the National Natural Science Foundation of China (Grant No. 52372100);the National Key Research and Development Program of China (Grant No. 2019YFA0307900)。
Based on the principles of thermodynamics, we elucidate the fundamental reasons behind the hysteresis of spontaneous polarization in ferroelectric materials during heating and cooling processes. By utilizing the effec...
supported by the National Key Research and Development Plan of China(No.2021YFE0114700);National Natural Science Foundation of China(No.52377145).
Secondary electron emission(SEE)induced by the positive ion is an essential physical process to influence the dynamics of gas discharge which relies on the specific surface material.Surface charging has a significant ...
funded by the National Natural Science Foundation of China(Nos.52122408,52071023,52101019,52293391,and 51901013);Honghui Wu acknowledges support from the Fundamental Research Funds for the Central Universities(University of Science and Technology Beijing,Nos.06500135 and FRF-TP2021-04C1)。
Grain boundary(GB)significantly influences the mechanical properties of metal structural materials,yet the effect of solutes on GB modification and the underlying atomic mechanisms of solute segregation and strengthen...
supported by the National Natural Science Foundation of China(Nos.52371014 and U22B20132);the Shenzhen Science and Technology Program(No.JCYJ20230807091401004);the Fundamental Research Funds for the Central Universities(No.20720230036);the Guided Subject of Dean’s Fund(No.YZJJ-YDL-0004).
The new developedγ/γʹCo–Al–Nb-base alloys show great potentials as high-temperature materials.However,finding appropriate compositions to improve performance of alloys still poses a great challenge to the developm...
The structures,mechanical properties and electronic structures of M metals(M=Ti,V,Cr,Mn and Fe)dopedβ-Si_(3)N_(4) were investigated by First-principles calculations within CASTEP.The calculated lattice parameters of...
supported by the National Natural Science Foundation of China(grant number 52073030);the National Natural Science Foundation of China-Guangxi Joint Fund(U20A20276).
Mg alloy suffers from its poor corrosion resistance as a result of anodic dissolution of Mg and hydrogen evolution reaction(HER)in humid environments.In this study,the effects of alloying elements(Al,Zn,Y,Ce,and Mn)on...
This work was supported by the National Key Research and Development Program of China under Grant No.2021YFB0300600;the National Natural Science Foundation of China under Grant Nos.92270206,T2125013,62032023,61972377,T2293702,and 12274360;the Chinese Academy of Sciences Project for Young Scientists in Basic Research under Grant No.YSBR-005;the Network Information Project of Chinese Academy of Sciences under Grant No.CASWX2021SF-0103;the Key Research Program of Chinese Academy of Sciences under Grant No.ZDBSSSW-WHC002.
The growing demand for semiconductor devices simulation poses a big challenge for large-scale electronic structure calculations.Among various methods,the linearly scaling three-dimensional fragment(LS3DF)method exhibi...
The band structure,DOSs,and optical properties of(Y_(0.75)Ca_(0.25))(Cu_(0.75)Mn_(0.25))SO,including dielectric function,absorption function,reflection function,and energy loss spectrum were studied by using the first...
supported by the National Natural Science Foundation of China(Nos.51922026,51975111);the Fundamental Research Funds for the Central Universities(Nos.N2202015,N2230002,N2002021,N2105001);the 111 Project of China(Nos.BP0719037,B20029).
A large adiabatic temperature change(△T_(ad))is a prerequisite for the application of elastocaloric refriger-ation.Theoretically,a large volume change ratio(△V/V_(0))during martensitic transformation is favorable to...
financially supported by the National Key R&D Program of China (No.2018YFC1902400);the National Natural Science Foundation of China (No.51975582);the Program of China Scholarship Council (No.202006420036)。
In this work,the effect of Re alloying on the phase composition,crystal structure,and mechanical properties of NbMoTaWRe_(x) (x=0,0.27,0.57,0.92,1.33) refractory high-entropy alloys (RHEAs) were systematically investi...