Journal
PHYSICAL REVIEW B
Volume 85, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.094422
Keywords
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Funding
- US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering
- US DOE, OBES, Division of Material Science and Engineering
- Los Alamos Laboratory
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The temperature-magnetic field (T-H) phase diagram for the tetragonal compound CeRu2Al2B, determined from magnetization, specific heat, nuclear magnetic resonance (NMR), and electrical resistivity is reported. This system exhibits localized 4 f magnetic ordering at high temperatures where antiferromagnetism is observed at a Neel temperature T-N = 14.2 K and a first-order ferromagnetic transition is observed at a Curie temperature T-C = 12.8K. The application of a magnetic field H results in a rich phase diagram that includes three magnetically ordered phases: (1) antiferromagnetic, (2) canted antiferromagnetic, and (3) ferromagnetic, indicating that there are several finely tuned exchange interactions.
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