Anomalous Shubnikov-de Haas quantum oscillations in rare-earth tritelluride NdTe3

Kirstine J. Dalgaard, Shiming Lei, Steffen Wiedmann, Martin Bremholm, Leslie M. Schoop

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11 Scopus citations


Materials with the structural motif of a square net have in recent years attracted attention for their often unexpected electronic properties. Here, we present low-temperature magnetotransport experiments on high-quality NdTe3 single crystals with a carrier mobility of 6×104 cm2/V s at 2.25 K; an increase of 58% is observed below the Néel temperature. Shubnikov-de Haas oscillations up to 9 T exhibit anomalies in their amplitude which deviates from the conventional Lifshitz-Kosevich behavior below the magnetic ordering temperature and around 20 K. The latter, which has so far not been observed in any tritelluride, suggests a field- and temperature-induced electronic structure transition. We provide a thorough analysis of three different samples, highlighting the importance of sample quality for elucidating details in the transport behavior. Our results on NdTe3 suggest that rare-earth tritellurides may display so-far obscured exotic electronic properties in addition to the well-studied high-temperature charge density wave anomalies.

Original languageEnglish (US)
Article number245109
JournalPhysical Review B
Issue number24
StatePublished - Dec 7 2020

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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