Dichloro[1,2-bis(diphenylphosphino)ethane]nickel^(2+(NiCl2(dppe))is an organic compound containing C_(26)H_(24)P_(2)(dppe)molecules and Cl^(-),Ni^(2+ions.The large-size NiCl_(2)(dppe)single crystals with longest dimen...Dichloro[1,2-bis(diphenylphosphino)ethane]nickel^(2+(NiCl2(dppe))is an organic compound containing C_(26)H_(24)P_(2)(dppe)molecules and Cl^(-),Ni^(2+ions.The large-size NiCl_(2)(dppe)single crystals with longest dimension of 4 mm were grown by the method of slow evaporation of organic solution.Single crystal x-ray diffraction spectrum indicates that the single crystal is of high quality.Magnetization results of the NiCl_(2)(dppe)single crystals show an anisotropic paramagnetism behavior and diamagnetic background,which come from Ni^(2+ions and benzene ring,respectively.However,according to the specific heat results with temperature down to 0.1 K and magnetic field up to 14 T,no expected field-induced quantum phase transition was observed in NiCl_(2)(dppe)single crystals.展开更多
基金Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0403502)the National Natural Science Foundation of China+1 种基金Youth Innovation Promotion Association of Chinese Academy of Sciences (Grant No. 2017483)supported by the High Magnetic Field Laboratory of Anhui Province,China
文摘Dichloro[1,2-bis(diphenylphosphino)ethane]nickel^(2+(NiCl2(dppe))is an organic compound containing C_(26)H_(24)P_(2)(dppe)molecules and Cl^(-),Ni^(2+ions.The large-size NiCl_(2)(dppe)single crystals with longest dimension of 4 mm were grown by the method of slow evaporation of organic solution.Single crystal x-ray diffraction spectrum indicates that the single crystal is of high quality.Magnetization results of the NiCl_(2)(dppe)single crystals show an anisotropic paramagnetism behavior and diamagnetic background,which come from Ni^(2+ions and benzene ring,respectively.However,according to the specific heat results with temperature down to 0.1 K and magnetic field up to 14 T,no expected field-induced quantum phase transition was observed in NiCl_(2)(dppe)single crystals.