Journal
PHYSICAL REVIEW B
Volume 78, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.092402
Keywords
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Funding
- 21st Century COE Programs Topological Science and Technology
- High Field Spin Science in 100 T [451]
- Novel States of Matter Induced by Frustrations [473]
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- CREST
- Japan Science and Technology Corporation (JST)
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Topological effects on magnetic properties were revealed by an experimental and theoretical investigation on two Cr-based ring-shaped nanomagnets Cr8 and Cr8Cd as model systems for closed and open antiferromagnetic rings, respectively. The detailed structures of the low-lying energy levels in terms of the total spin were established directly by high-field magnetization measurements up to 57 T. All the differences observed in the magnetization curve of the two systems can be interpreted by the different topology of the magnetic coupling scheme whereby the experimental observations are well reproduced by theoretical calculations.
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