Elastic anomalies at the charge density wave transition in TaS3

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46 Scopus citations


Vibrating reed measurements of the Young's modulus and internal friction of orthorhombic TaS3 at its charge density wave transition (222K) are presented. The modulus has a large dip (≈2%) and the internal friction increases (ΔQ-1 ≈ 5 × 10-5) at the transition; the latter anomaly is sample dependent and is attributed to the motion of domains in the CDW state. Estimates of the specific heat and expansivity anomalies are made. The qualitative characteristics of the anomalies are compared to those previously observed at CDW transitions in other materials.

Original languageEnglish
Pages (from-to)925-929
Number of pages5
JournalSolid State Communications
Issue number12
StatePublished - Mar 1982

Bibliographical note

Funding Information:
Acknowledgements - I wish to thank K R Subbaswamy and J P Straley for helpful discussions, W Fuqua for assistance with electronxcs and L Race for performing the electron microscopy This work was supported in part by the Research Corporation

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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