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Configuration evolution of Aln(n=3,4,6,13,19) clusters studied using linear synchronous transit method PENG Ping(彭 平), LI Gui-fa(李贵发), YANG Feng (杨 峰), TIAN Ze-an(田泽安) ZHENG Cai-xing... and Al13 clusters, no metastable configuration are validated. A large energy gap and a low energy barrier between the parallelogram and the octahedron of the Al6 cluster indicate the transformation from its......
Atomic simulation on evolution of nano-crystallizaion in amorphous metals WANG Yu(王 宇), WANG Xiu-xi(王秀喜), WANG Hai-long(王海龙) Key Laboratory of Mechanical Behavior and Design of Materials... for developing bulk nano-crystalline materials with controlled microstructures. Key words: atomic simulation; evolution; nano-crystallization; amorphous metals 1 Introduction Because......
J. Cent. South Univ. Technol. (2011) 18: 697-703 DOI: 10.1007/s11771-011-0750-2 Development of XY scanner with minimized coupling motions for high?speed atomic force microscope PARK Jong-kyu1... for a high-speed atomic force microscope (AFM) were addressed. An appropriate design modification was proposed through the analyses of the dynamic characteristics of existing linear motion stages using......
J. Cent. South Univ. (2018) 25: 1295-1305 DOI: https://doi.org/10.1007/s11771-018-3826-4 Hydration film measurement on mica and coal surfaces using atomic force microscopy and interfacial... hydrophobic coal and hydrophilic mica surfaces were measured directly by atomic force microscopy (AFM) based on the bending mode of the nominal constant compliance regime in AFM force curve......
Atomic states and properties of Ru-electrocatalyst PENG Hong-jian(彭红建)1, 2, XIE You-qing(谢佑卿)2,WEI De-liang(魏得良)1 1. School of Chemistry and Chemical Engineering, Central South University...(OA), the atomic states of Ru-electrocatalyst with hcp structure was determined as [Kr](4dn)3.78(4dc)2.22(5sc)1.77(5sf)0.23. The potential curve, elasticity and the temperature dependence of linear......
and are quickened with temperature decreasing. Key words: microscopic phase-field; precipitation; atomic configuration; ordering; spinodal decomposition; simulation CLC number: TG111.5 Document code: A 1 ... intermetallics Ni3X which have topological close packed structure, have their own characteristic properties as high temperature structure and chemical materials[11]. With the atomic configuration......
in controlling both inelastic deformation and fracture processes in the nanoscale objects. The observed atomic configuration transformation is a stress-induced mechanism accounting for plastic deformation. Key..., yield strength and fracture strain, and more local atomic structural evolutions and amorphization exist during tensile strain, which results in the superplasticity behaviors of single-crystalline......
Disordering and melting zone of Nb(111) plane To make sure the premelting phenomena occurring on the exposed face, the temperature dependence of the atomic configuration change of the (111) sample at 1 100... Atomic simulations for surface-initiated melting of Nb(111) YANG Xi-yuan(阳喜元), WU Dan(吴 丹) College of Physics and Electronics, Hunan University of Arts and Science, Changde......
ATOMIC STATES AND BRITTLENESS OF hcp Ti3Al-ORDERED-TYPE ALLOYS H.J. Peng1,Y.Q. Xie2 (1.College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;2.College..., volumes, and potential energies of characteristic atoms in hcp Ti-Al system have been determined. The average atomic state of the hcp Ti3Al compound consisting of ψTi4 and ψAl0 atoms is 0.75[Ar] (3dn......
Atomic diffusion properties in wire bonding LI Jun-hui(李军辉), WANG Fu-liang(王福亮), HAN Lei(韩 雷), DUAN Ji-an(段吉安), ZHONG Jue(钟 掘) College of Mechanical-Electronical Engineering, Central South... and ion-sputter thinning, and was tested by using transmission electron microscope (F30). The results show that the atomic diffusion at the bonded interface appears. The thickness of Au/Al interface......