GRAIN_BOUNDARY

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Synthesis of monolayer tungsten nitride:Rapid optical visualization and electrical impact of grain boundaries
《Nano Research》2025年第3期645-653,共9页Qiuyun Yang Dehu Li Fanfan Shi Zhibin Shao Na Wang Yao Peng Edwin Hang Tong Teo Zheng Liu Hong Wang 
supported by the National Natural Science Foundation of China(Nos.12104434 and 62074051);the Scientific Research Foundation of the Higher Education Institutions of Anhui Province,China(Nos.2022AH051648 and 2024AH040057)。
Two-dimensional(2D)transition metal nitrides(TMNs)have garnered significant attention in fields such as energy storage and nanoelectronics due to their unique electrical properties,high chemical stability,and excellen...
关键词：two-dimensional(2D)materials grain boundary chemical vapor deposition electrical property tungsten nitride 
Decoupling the roles of grain boundary strength and grain size hidden in grain-level electro-chemo-mechanical failure of solid-state electrolyte
《Journal of Energy Chemistry》2025年第2期685-691,I0014,共8页Ming Xu Xuyang Wang Zhengqian Jin Xingxing Jiao Ya Gao Zhongxiao Song Xieyu Xu Kai Xi Yangyang Liu 
the financial support from the National Natural Science Foundation of China(12102328,52104312,22278329);the Qin Chuangyuan Talent Project of Shaanxi Province(2021QCYRC4-43,QCYRCXM-2022-308);the Fundamental Research Funds for the Central Universities,China.
Garnet lithium lanthanum zirconium oxide(Li_(7)La_(3)Zr_(2)O_(12),LLZO)is a benchmark solid-state electrolyte(SSE)material receiving considerable attention owing to its high conductivity and chemical stability against...
关键词：Solid-state electrolyte Growthof lithium metal Electro-chemo-mechanics Grain boundary 
Constructing interlaced network structure by grain boundary corrosion methods on CrCoNiFe alloy for high-performance oxygen evolution reaction and urea oxidation reaction
《Journal of Materials Science & Technology》2024年第36期97-107,共11页Qiancheng Liu Feng Zhao Xulin Yang Jie Zhu Sudong Yang Lin Chen Peng Zhao Qingyuan Wang Qian Zhang 
supported by the National Natu-ral Science Foundation of China(No.52102210);the Natural Sci-ence Foundation of Sichuan Province(Nos.2022NSFSC2005 and 2022NSFSC1255);the Opening Project of Key Laboratory of Op-toelectronic Chemical Materials and Devices of Ministry of Educa-tion,Jianghan University(No.JDGD-202218);Supplementary materials Supplementary material associated with this article can be found,in the online version,at doi:10.1016/j.jmst.2024.01.096.106。
Corrosion engineering is an effective way to improve the oxygen evolution reaction(OER)activity of al-loys.However,the impact of grain boundary corrosion on the structure and electrochemical performance of alloy is st...
关键词：Grain boundary corrosion Interlaced network structures(oxy)hydroxides layer Urea oxidation reaction 
Atomistic origin of high grain boundary resistance in solid electrolyte lanthanum lithium titanate
《Journal of Materiomics》2024年第6期1214-1221,共8页Shang Peng Yongjin Chen Xuefeng Zhou Mingxue Tang Jianbo Wang Hua Wang Lin Guo Lujun Huang Wenge Yang Xiang Gao 
This work was supported by the National Natural Science Foundation of China(U2030206,22075003).
Lanthanum lithium titanate is one of the promising electrolytes for solid-state lithium-ion batteries due to its high bulk ionic conductivity up to∼10^(−3) S/cm.However,the practical application of this material has ...
关键词：SPACE-CHARGE layer CATION segregation Intergranullar GLASSY film Solid-state electrolyte Ionic conductivity 
Interwoven grain boundary makes homoporous and crystalline polymer membrane with high mechanical stability
《Science China Chemistry》2024年第11期3503-3504,共2页Lianshan Li Zhiyong Tang 
Membrane separation is widely used in industry to recover and capture gases or to purify liquids. Compared with conventional separation methods, such as cryogenic and adsorptive or absorptive separation, membrane sepa...
关键词：SEPARATION CRYSTALLINE STABILITY 
Insights into the deformation mechanisms of an Al1Mg0.4Si alloy at cryogenic temperature:An integration of experiments and crystal plasticity modeling
《Journal of Materials Science & Technology》2024年第33期69-82,共14页Youhong Peng Danyang Li He Wu Kesong Miao Chenglu Liu Li Wang Wei Liu Chao Xu Lin Geng Peidong Wu Guohua Fan 
supported by the National Natural Science Foundation of China(Nos.92263201,51927801,52001160,and 52205378);the National Key Research&Development Plan(Nos.2020YFA0405900 and 2019YFA0708801);Natural Science Foundation of Jiangsu Province(No.BK20202010).
In this work,we investigated the mechanical properties and corresponding deformation mechanisms of an Al1Mg0.4Si alloy,which exhibited significantly higher strength and outstanding strain hardening capacity at 77 K co...
关键词：Aluminum alloy Cryogenic temperature Grain boundary hardening effect Deformation mechanism Crystal plasticity modeling 
Potassium doping for grain boundary passivation and defect suppression enables highly-efficient kesterite solar cells
《Chinese Chemical Letters》2024年第11期565-570,共6页Yingfen Li Zhiqi Wang Yunhai Zhao Dajun Luo Xueliang Zhang Jun Zhao Zhenghua Su Shuo Chen Guangxing Liang 
supported by the National Natural Science Foundation of China(No.62074102);Science and Technology Plan Project of Shenzhen(No.20220808165025003)China;Science and Technology Project of Guizhou Province(No.QKHJCZK[2023]YB130);The Growth Plan for Young Science and Technology Talents of Guizhou Education Department(No.QJH KY[2017]223)。
The complicated and diverse deep defects,voids,and grain boundary in the CZTSSe absorber are the main reasons for carrier recombination and efficiency degradation.The further improvement of the open-circuit voltage an...
关键词：KESTERITE Solar cell Chemical doping DEFECT Efficiency 
Coupling stiffening effect of carbon nanotubes on modulus of nanograined metals:Mechanism and multiscale modeling
《Science China(Technological Sciences)》2024年第11期3513-3523,共11页WANG Fei LI Li WANG XueLin HU YuJin 
supported by the National Natural Science Foundation of China(Grant No.52175095);the Key Research and Development Program of Guangxi of China(Grant No.GuikeAB23026106);the Young Topnotch Talent Cultivation Program of Hubei Province of China。
A quantitative relationship between grain size and Young's modulus of metal composites has not been established by considering the coupling effect of the reinforcements on microstructural deformation.The objective of ...
关键词：nanograined metal carbon nanotube molecular dynamics microstructure analysis grain boundary Young's modulus 
Predicting the Hall-Petch slope of magnesium alloys by machine learning
《Journal of Magnesium and Alloys》2024年第11期4436-4442,共7页Bo Guan Chao Chen Yunchang Xin Jing Xu Bo Feng Xiaoxu Huang Qing Liu 
supported by Jiangxi Provincial Natural Science Foundation (No.20224BAB214017);Jiangxi Academy of Sciences(Nos.2022YSBG22023,2022YSBG22024,2022YYB25,2022YYB26,2022YSBG10001);financially National Natural Science Foundation of China (Nos.52071039 and 51871032);Natural Science Foundation of Jiangsu Province (No.BK20202010)。
Hall-Petch slope(k) is an important material parameter, while there is a great challenge to accurately predict the k value of magnesium alloys due to a high dependence of k on the material parameters, deformation hist...
关键词：Hall-Petch slope Mg alloys Grain boundary strengthening Machine learning 
An atomic insight into effect of grain boundary on diffusion behavior of Cu/Al dissimilar materials undergoing ultrasonic welding
《Journal of Iron and Steel Research International》2024年第10期2555-2567,共13页Jing-wei Yang Chu-hao Xie Jie Zhang Zong-ye Ding Jian Qiao 
financially supported by the National Natural Science Foundation of China under Grant(Nos.51805084 and No.51904187);Guangdong Basic and Applied Basic Research Foundation(Nos.2023B1515120086 and 2023A1515140124);the Fundamental Research Funds for the Central Universities(No.00007706).
The diffusion processes in bicrystalline Cu/Al joints,characterized by typical high-angle grain boundaries(GBs),were investigated using molecular dynamics simulations.It was found that GBs facilitated the diffusion of...
关键词：Grain boundary Molecular dynamics Diffusion behavior Ultrasonic welding Dissimilar material 
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