Quantum transport observed in films of the magnetic topological semimetal EuSb2
Source abstract
Abstract
We report fabrication of ${\mathrm{EuSb}}2$ single-crystalline films and investigation of their quantum transport. First-principles calculations demonstrate that ${\mathrm{EuSb}}2$ is a magnetic topological nodal-line semimetal protected by nonsymmorphic symmetry. Observed Shubnikov-de Haas oscillations with multiple frequency components exhibit small effective masses and two-dimensional field-angle dependence even in a 250 nm thick film, further suggesting possible contributions of surface states. This finding of the high-mobility magnetic topological semimetal will trigger further investigation of exotic quantum transport phenomena by controlling magnetic order in topological semimetal films.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Topological Materials and Phenomena · Graphene research and applications · Electronic and Structural Properties of Oxides
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan
Quantum-Phase Electronics Center (QPEC), University of Tokyo, Tokyo 113-8656, Japan
PRESTO, Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan
Department of Physics, Tokyo Institute of Technology, Tokyo 152-8550, Japan
The Institute for Solid State Physics (ISSP), The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan
Department of Physics, University of Tokyo, Tokyo 113-8656, Japan
Funding
Japan Science and Technology Agency · Core Research for Evolutional Science and Technology · Ministry of Education, Culture, Sports, Science and Technology
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