Appearance of Antiferromagnetic Dipole Order in Ce0.5La0.5B6 with Pr Ion Doping
作者： Takeshi Matsumura , Keisuke Kunimori , Akihiro Kondo , Kei Soejima , Hiroshi Tanida
关键词: Antiferromagnetism 、 Physics 、 Ion doping 、 Atomic physics 、 Dipole 、 Rare earth 、 Multipole expansion 、 Condensed matter physics 、 Neutron diffraction 、 Magnetic field
摘要: We have performed a neutron diffraction experiment on Pr-doped Ce0.5Pr0.1La0.4B6, in which an antiferromagnetic octupole order with \(\boldsymbol{{q}} = (1/2,1/2,1/2)\) could be anticipated by analogy Ce0.7La0.3B6. Contrary to this natural expectation, we detected unambiguous magnetic peak at (1/4,1/4,1/2)\), is the same q-vector frequently realized ordered phases of RB6 (R rare earth) compounds. No significant signal was observed zero field. This result shows that normal dipole moment also one competing multipole parameters CexLa1−xB6 system. The relevant are close energy and can tuned weak perturbation.
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