Charge-density wave transition of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>T</mml:mi><mml:mrow><mml:msub><mml:mrow><mml:mo>−</mml:mo><mml:mi mathvariant="normal">V</mml:mi><mml:mi mathvariant="normal">S</mml:mi><mml:mi mathvariant="normal">e</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>studied by angle-resolved photoemission spectroscopy

Terashima, Kazuhiko; Sato, Takafumi; Komatsu, Hikosaburo; Takahashi, Takashi; Maeda, Nobuhiro; Hayashi, K.

doi:10.1103/physrevb.68.155108

Cited by 81 publications

(78 citation statements)

References 23 publications

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“…1, the in-plane resistance decreases with decreasing temperature and then an upturn kink emerges at 110 K. This anomaly in the resistance corresponds to the onset temperature, T p onset , of the CDW transition, which is consistent with previous data in literature. 17,21,22 The residual resistance ratio (RRR ¼ R 300 K /R 5 K ) of our crystal is about 10, indicating the high quality of bulk VSe 2 crystal.…”

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confidence: 96%

“…This unique 3D CDW behavior has been investigated for decades, but few were known when the thickness is in the nanometer scale. 17,[19][20][21][22] Recently, Dai et al 23 have predicted that single layer VSe 2 will present an exciting ferromagnetic behavior by first principle calculation. Xie et al 18 have found that there is coexistence of room temperature ferromagnetism and the CDW transition in the liquid exfoliated VSe 2 nanosheets with the thickness of about 2.28-4.65 nm.…”

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confidence: 98%

“…17,18 Bulk VSe 2 shows unique three-dimensional (3D) CDW properties below 110 K due to the 3D Fermi surface "nesting." The CDW wave vector has a large component normal to the layer despite the 2D nature of the crystal.…”

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confidence: 99%

“…[24][25][26][27][28] Single crystal VSe 2 was prepared by chemical vapour transport technique which has been described elsewhere. 17,21,22 The crystalline quality was examined by x-ray diffractometer (XRD). Fig.…”

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confidence: 99%

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Thickness dependence of the charge-density-wave transition temperature in VSe2

Yang

Wang

Liu

et al. 2014

Applied Physics Letters

111

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A set of three-dimensional charge-density-wave (3D CDW) VSe2 nano-flakes with different thicknesses were obtained by the scotch tape-based micro-mechanical exfoliation method. Resistivity measurements showed that the 3D CDW transition temperature Tp decreases systematically from 105 K in bulk to 81.8 K in the 11.6 nm thick flake. The Hall resistivity ρxy of all the flakes showed a linear dependent behavior against the magnetic field with a residual electron concentration of the order of ∼1021 cm−3 at 5 K. The electron concentration n increases slightly as the thickness d decreases, possibly due to the CDW gap is reduced with the decrease of the thickness.

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confidence: 96%

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confidence: 98%

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confidence: 99%

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confidence: 99%

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Thickness dependence of the charge-density-wave transition temperature in VSe2

Yang

Wang

Liu

et al. 2014

Applied Physics Letters

111

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“…For the layered materials, the physical properties are normally sensitive to the variation of microstructure as evidenced by applying hydrostatic pressure on bulk samples or strain in the thin films. [8][9][10][11][12][13][14][15][16] However, little was touched when these exfoliated ultrathin single crystals suffered a biaxial or uniaxial pressure although which is very similar to the strain effect on epitaxial films. Recently we reported that the Scotch tape can be not only used to exfoliate flakes but also taken as the strain generator for the exfoliated flakes.…”

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Scotch tape induced strains for structural variation of FeTe0.5Se0.5 and Fe1.05Te single crystals

Wang

Zhang

et al. 2016

AIP Advances

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We have recently reported that the superconducting transition temperature of FeTe0.5Se0.5 flakes attached onto commercial Scotch tape can be enhanced by about 1-2 K due to a thermal-mismatch induced compressive strain. In this work, we further investigated the Scotch tape effect on structural variation of FeTe0.5Se0.5 and Fe1.05Te flakes by X-ray diffraction measurements. We show that for FeTe0.5Se0.5, the lattice constant c of taped flakes is elongated by about 0.5% at 15 K as compared with bulk crystal. Upon warming from 15 K, the lattice constant c of the taped flakes first levels off then displays negative thermal expansion followed by monotonic increase at temperatures above 100 K. For antiferromagnetic Fe1.05Te, the structural transition around 70 K is remarkably broadened by about 2 K. The present results demonstrate that the Scotch tape is a simple and effective tool to probe structure sensitive physical properties of layered materials.

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Two‐dimensional Transition Metal Dichalcogenides: A General Overview

Tang,

Yin

2023

Two‐Dimensional Transition‐Metal Dichalcogenides

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Charge-density wave transition of1T−VSe2studied by angle-resolved photoemission spectroscopy

Cited by 81 publications

References 23 publications

Thickness dependence of the charge-density-wave transition temperature in VSe2

Thickness dependence of the charge-density-wave transition temperature in VSe2

Scotch tape induced strains for structural variation of FeTe0.5Se0.5 and Fe1.05Te single crystals

Two‐dimensional Transition Metal Dichalcogenides: A General Overview

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