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http://dx.doi.org/10.4283/JKMS.2007.17.3.114

Magnetic Susceptibilities of the Single Crystal Nd3Se4  

Cha, Jung-Won (Department of Physics, College of Liberal Arts and Sciences, Yonsei University)
Nahm, Kyun (Department of Physics, College of Liberal Arts and Sciences, Yonsei University)
Kim, Chul-Koo (Institute of Physics and Applied Physics, Yonsei University)
Abstract
The single crystal $Nd_3Se_4$ with the $bcc-Th_3P_4$ type structure is grown and the temperature dependent magnetic susceptibilities are measured between 4 K and 300 K. The experimental data are compared with the theoretically calculated susceptibilities which depend on the splitting energies of the $Nd^{3+}$ ground state under the crystal field effect. We find that the magnetic susceptibility of the $Nd^{3+}$ ion in $Nd_3Se_4$ is not affected by the crystal field effect. The spontaneous magnetization curve below $T_c\;=\;53\;K$ of $Nd_3Se_4$ corresponds to the Brillouin function of $Nd_3Se_4$ with J=9/2.
Keywords
single crystal $Nd_3Se_4$; crystal field effect; magnetic susceptibility; spontaneous magnetization; brillouin function;
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