The financial support by the National Natural Science Foundation of China(Grant No.52074027);the Fundamental Research Funds for the Central Universities(Grant No.FRF-AT-20-13)is greatly acknowledged;The authors are also grateful to the financial support from the State Key Laboratory of Advanced Metallurgy(Grant No.41621024).
Regarding development of the dedicated slag for electroslag remelting,crystallization characteristics of the slag exert a strong influence on the initial solidification of liquid metal in mold and surface quality of a...
Project supported by the National Natural Science Foundation of China(U1830104,61635012,61925508);CAS Interdisciplinary Innovation Team,National Key Research and Development Program of China(2016YFB0402101);Strategic Priority Program of Chinese Academy of Science(XDB16030000);Development of Science and Technology foundation of China Academy of Engineering and Physics(2019HEL05-2).
Ytterbium and rare earth ions(RE=Y,Gd,La)codoped CaF_(2)-SrF_(2)single crystals(3 at%Yb,6 at%RE:CaF_(2)-SrF_(2))were fabricated by temperature gradient technology(TGT).All the space groups remain the same Fm3m as that...
Project supported by the National Natural Science Foundation of China(Grant No.1170513);the Natural Science Foundation of Shaanxi Province,China(Grant No.Z20200051);the Foundation of the Education Department of Shaanxi Provincial Government,China(Grant No.16JK1461);the Scientific Research Foundation of Xi’an University of Architecture and Technology,China(Grant No.QN1729).
A unified theoretical method is established to determine the charge-compensated C3v(Ⅱ)centers of Er3+ions in CdF2 and CaF2 crystals by simulating the electron paramagnetic resonance(EPR)parameters and Stark energy le...
Project supported by the National Natural Science Foundation of China(Grant No.61971229).
Detailed density functional theory(DFT)calculations of the structural,mechanical,thermodynamic,and electronicproperties of crystalline CaF2 with five different structures in the pressure range of 0 GPa–150 GPa are pe...