Elastic anomalies at the charge density wave transition in TaS3

J. W. Brill

doi:10.1016/0038-1098(82)91237-6

Elastic anomalies at the charge density wave transition in TaS₃

J. W. Brill

Producción científica: Article › revisión exhaustiva

47 Citas (Scopus)

Resumen

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.

Idioma original	English
Páginas (desde-hasta)	925-929
Número de páginas	5
Publicación	Solid State Communications
Volumen	41
N.º	12
DOI	https://doi.org/10.1016/0038-1098(82)91237-6
Estado	Published - mar 1982

Nota bibliográfica

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

Financiación

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

Financiadores	Número del financiador
Research Corporation for Science Advancement

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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abstract = "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.",

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N2 - 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.

AB - 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.

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