Magnetic Phase Diagrams with Possible Field-induced Antiferroquadrupolar Order in TbB${}_2$C${}_2$

Abstract

Magnetic phase diagrams of a tetragonal antiferromagnet TbB${}_2$C${}_2$ were clarified by temperature and field dependence of magnetization. It is noticeable that the N{é}el temperature in TbB${}_2$C${}_2$ is anomalously enhanced with magnetic fields, in particular the enhancement reaches 13.5 K for the $<110>$ direction at 10 T. The magnetization processes as well as the phase diagrams are well interpreted assuming that there appear field-induced antiferroquadrupolar ordered phases in TbB${}_2$C${}_2$. The phase diagrams of the AFQ compounds in RB${}_2$C${}_2$ are systematically understood in terms of the competition with AFQ and AFM interactions.

4 pages, 4 figures, RevTeX4

References in corpus (2)

• Direct Observation of Antiferro-Quadrupolar Ordering - Resonant X-ray Scattering Study of DyB2C2
• Magnetic Field Dependence of the Paramagnetic to the High Temperature Magnetically Ordered Phase Transition in CeB6

Cited by in corpus (4)

• Manipulating 4f quadrupolar pair interactions in TbB2C2 using a magnetic field
• Origin of the non-Fermi-liquid behavior in CeRh2As2
• Successive Phase Transitions in the Quasi-Kagome Lattice System URhSn Studied by Resonant X-ray Scattering
• Detailed Measurements of Characteristic Profiles of Magnetic Diffuse Scattering in ErB${}_2$C${}_2$