Fermi surface evolution across multiple charge density wave transitions in ErTe3

R. G. Moore; V. Brouet; R. He; D. H. Lu; N. Ru; J. H. Chu; I. R. Fisher; Z. X. Shen

doi:10.1103/PhysRevB.81.073102

Fermi surface evolution across multiple charge density wave transitions in ErTe3

R. G. Moore
, V. Brouet
, R. He
, D. H. Lu
, N. Ru
, J. H. Chu
, I. R. Fisher
, Z. X. Shen

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

84 Scopus citations

Abstract

The Fermi surface (FS) of ErTe3 is investigated using angle-resolved photoemission spectroscopy. Low-temperature measurements reveal two incommensurate charge-density wave (CDW) gaps created by perpendicular FS nesting vectors. A large Δ1 =175meV gap arising from a CDW with c ^- - qCDW1 ∼0.70 (0) c^- is in good agreement with the expected value. A second, smaller Δ2 =50meV gap is due to a second CDW with a^- - qCDW2 ∼0.68 (5) a^-. The temperature dependence of the FS, the two gaps, and possible interaction between the CDWs are examined.

Original language	English
Article number	073102
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevB.81.073102
State	Published - Feb 2 2010
Externally published	Yes

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10.1103/PhysRevB.81.073102

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title = "Fermi surface evolution across multiple charge density wave transitions in ErTe3",

abstract = "The Fermi surface (FS) of ErTe3 is investigated using angle-resolved photoemission spectroscopy. Low-temperature measurements reveal two incommensurate charge-density wave (CDW) gaps created by perpendicular FS nesting vectors. A large Δ1 =175meV gap arising from a CDW with c - - qCDW1 ∼0.70 (0) c- is in good agreement with the expected value. A second, smaller Δ2 =50meV gap is due to a second CDW with a- - qCDW2 ∼0.68 (5) a-. The temperature dependence of the FS, the two gaps, and possible interaction between the CDWs are examined.",

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doi = "10.1103/PhysRevB.81.073102",

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T1 - Fermi surface evolution across multiple charge density wave transitions in ErTe3

AU - Moore, R. G.

AU - Brouet, V.

AU - He, R.

AU - Lu, D. H.

AU - Ru, N.

AU - Chu, J. H.

AU - Fisher, I. R.

AU - Shen, Z. X.

PY - 2010/2/2

Y1 - 2010/2/2

N2 - The Fermi surface (FS) of ErTe3 is investigated using angle-resolved photoemission spectroscopy. Low-temperature measurements reveal two incommensurate charge-density wave (CDW) gaps created by perpendicular FS nesting vectors. A large Δ1 =175meV gap arising from a CDW with c - - qCDW1 ∼0.70 (0) c- is in good agreement with the expected value. A second, smaller Δ2 =50meV gap is due to a second CDW with a- - qCDW2 ∼0.68 (5) a-. The temperature dependence of the FS, the two gaps, and possible interaction between the CDWs are examined.

AB - The Fermi surface (FS) of ErTe3 is investigated using angle-resolved photoemission spectroscopy. Low-temperature measurements reveal two incommensurate charge-density wave (CDW) gaps created by perpendicular FS nesting vectors. A large Δ1 =175meV gap arising from a CDW with c - - qCDW1 ∼0.70 (0) c- is in good agreement with the expected value. A second, smaller Δ2 =50meV gap is due to a second CDW with a- - qCDW2 ∼0.68 (5) a-. The temperature dependence of the FS, the two gaps, and possible interaction between the CDWs are examined.

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DO - 10.1103/PhysRevB.81.073102

M3 - Article

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SN - 1098-0121

VL - 81

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 7

M1 - 073102

ER -

Fermi surface evolution across multiple charge density wave transitions in ErTe3

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