Low Temperature Magnetic Phase Transitions of CeBi and CeSb Studied by Magnetoelastics

  • Tetsuo Nakajima
  • Takashi Suzuki
  • Masafumi Sera
  • Tadao Kasuya


Among the cerium monopnictides, all of which show different magnectic character1, CeBi and CeSb exhibit extremely unusual magnetic properties2. Tetragonal distortions take place in both materials at the Néel temperature3, below which the alignments of all sub-lattice magnetic moments hold fast to the [001] direction through the many successive magnetically ordered phases induced by external magnetic fields. In both compounds, the effective crystalline field is unusually small compared with other cerium monopnictides. Nevertheless, CeBi and CeSb show strong magnetic anisotropies favoring the [001] direction4,5. Recently we proposed a model based on the anisotropic p-f mixing mechanisms and obtained a better understanding of the common salient features observed in both compounds6.


Magnetic Phase Transition Tetragonal Distortion Temperature Phase Transition Negative Thermal Expansion Domain Rotation 


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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • Tetsuo Nakajima
    • 1
  • Takashi Suzuki
    • 2
  • Masafumi Sera
    • 2
  • Tadao Kasuya
    • 2
  1. 1.RIISOMTohoku UniversitySendai 980Japan
  2. 2.Department of PhysicsTohoku UniversitySendai 980Japan

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