X-ray diffraction study of the CDW phase in (TaSe4)2I: Determination of the CDW modulation amplitude

K. B. Lee; D. Davidov; A. J. Heeger

doi:10.1016/0038-1098(85)90104-8

X-ray diffraction study of the CDW phase in (TaSe₄)₂I: Determination of the CDW modulation amplitude

K. B. Lee^*, D. Davidov, A. J. Heeger

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

An extensive X-ray diffraction study of charge density wave (CDW) phase in (TaSe₄)₂I is reported. We have observed the superstructure satellites at 2q in addition to those at q reported by Fujishita et al. The results imply a sinusoidal lattice modulation with polarization almost perpendicular to q (i.e. transverse) and the existence of CDW domains. At 15 K we have extracted an approximate value for the amplitude of the lattice modulation perpendicular to q to be μ_⊥ {reversed tilde} 0.087 Å.

Original language	English
Pages (from-to)	673-677
Number of pages	5
Journal	Solid State Communications
Volume	54
Issue number	7
DOIs	https://doi.org/10.1016/0038-1098(85)90104-8
State	Published - May 1985
Externally published	Yes

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title = "X-ray diffraction study of the CDW phase in (TaSe4)2I: Determination of the CDW modulation amplitude",

abstract = "An extensive X-ray diffraction study of charge density wave (CDW) phase in (TaSe4)2I is reported. We have observed the superstructure satellites at 2q in addition to those at q reported by Fujishita et al. The results imply a sinusoidal lattice modulation with polarization almost perpendicular to q (i.e. transverse) and the existence of CDW domains. At 15 K we have extracted an approximate value for the amplitude of the lattice modulation perpendicular to q to be μ⊥ {reversed tilde} 0.087 {\AA}.",

author = "Lee, {K. B.} and D. Davidov and Heeger, {A. J.}",

year = "1985",

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doi = "10.1016/0038-1098(85)90104-8",

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T2 - Determination of the CDW modulation amplitude

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AU - Davidov, D.

AU - Heeger, A. J.

PY - 1985/5

Y1 - 1985/5

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AB - An extensive X-ray diffraction study of charge density wave (CDW) phase in (TaSe4)2I is reported. We have observed the superstructure satellites at 2q in addition to those at q reported by Fujishita et al. The results imply a sinusoidal lattice modulation with polarization almost perpendicular to q (i.e. transverse) and the existence of CDW domains. At 15 K we have extracted an approximate value for the amplitude of the lattice modulation perpendicular to q to be μ⊥ {reversed tilde} 0.087 Å.

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X-ray diffraction study of the CDW phase in (TaSe₄)₂I: Determination of the CDW modulation amplitude

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