Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy

Feng, Jiagui; Tan, Andrew; Wagner, Sean; Liu, Jinyu; Mao, Zhiqiang; Ke, Xianglin; Zhang, Pengpeng

doi:10.1063/1.4958616

Title: Charge modulation and structural transformation in TaTe₂ studied by scanning tunneling microscopy/spectroscopy

Abstract

Here, we show that the (3 × 1) stripe structure observed in TaTe₂ at room temperature arises from the formation of Ta⁴⁺–Ta⁴⁺ dimer chains along with a separate chain of Ta³⁺. More importantly, we reveal an intriguing lattice distortion and charge modulation at low temperature, which suggests an interplay and competition between the triple-axis (3 × 3) charge density wave-like modulation and the single-axis (3 × 1) stripe configuration. This work highlights the importance of TaTe₂ as an alternative platform with rich structural and electrical phases to explore charge-lattice coupling.

Authors:

Feng, Jiagui ^[1]; Tan, Andrew ^[1]; Wagner, Sean ^[1];

^[2]; Mao, Zhiqiang ^[2]; Ke, Xianglin ^[1]; Zhang, Pengpeng ^[1]

Michigan State Univ., East Lansing, MI (United States). Dept. of Physics and Astronomy
Tulane Univ., New Orleans, LA (United States). Dept. of Physics and Engineering Physics

Publication Date:: Mon Jul 11 00:00:00 EDT 2016

Research Org.:: Michigan State Univ., East Lansing, MI (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

OSTI Identifier:: 1467851

Alternate Identifier(s):: OSTI ID: 1261219

Grant/Contract Number:: SC0006400; DMR-1410417; SC0012432

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 109; Journal Issue: 2; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; phase transitions; x-ray diffraction; crystal structure; tantalum; low energy electron diffraction; charge coupled devices; charge density waves; orbital charge; scanning tunneling microscopy; topography

Citation Formats


                    Feng, Jiagui, Tan, Andrew, Wagner, Sean, Liu, Jinyu, Mao, Zhiqiang, Ke, Xianglin, and Zhang, Pengpeng. Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy.  United States: N. p., 2016. 
Web.  doi:10.1063/1.4958616.

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                    Feng, Jiagui, Tan, Andrew, Wagner, Sean, Liu, Jinyu, Mao, Zhiqiang, Ke, Xianglin, & Zhang, Pengpeng. Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy.  United States.  https://doi.org/10.1063/1.4958616

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                    Feng, Jiagui, Tan, Andrew, Wagner, Sean, Liu, Jinyu, Mao, Zhiqiang, Ke, Xianglin, and Zhang, Pengpeng. Mon .  
"Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy".  United States.  https://doi.org/10.1063/1.4958616.  https://www.osti.gov/servlets/purl/1467851.

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@article{osti_1467851,

  title        = {Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy},

  author       = {Feng, Jiagui and Tan, Andrew and Wagner, Sean and Liu, Jinyu and Mao, Zhiqiang and Ke, Xianglin and Zhang, Pengpeng},

  abstractNote = {Here, we show that the (3 × 1) stripe structure observed in TaTe2 at room temperature arises from the formation of Ta4+–Ta4+ dimer chains along with a separate chain of Ta3+. More importantly, we reveal an intriguing lattice distortion and charge modulation at low temperature, which suggests an interplay and competition between the triple-axis (3 × 3) charge density wave-like modulation and the single-axis (3 × 1) stripe configuration. This work highlights the importance of TaTe2 as an alternative platform with rich structural and electrical phases to explore charge-lattice coupling.},

  doi          = {10.1063/1.4958616},

  journal      = {Applied Physics Letters},

  number       = 2,

  volume       = 109,

  place        = {United States},

  year         = {Mon Jul 11 00:00:00 EDT 2016},

  month        = {Mon Jul 11 00:00:00 EDT 2016}

}

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Works referencing / citing this record:

Origin of the structural phase transition in single-crystal $TaT e_{2}$
journal, December 2018

Gao, J. J.; Si, J. G.; Luo, X.
Physical Review B, Vol. 98, Issue 22
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Title: Charge modulation and structural transformation in TaTe2 studied by scanning tunneling microscopy/spectroscopy

Abstract

Citation Formats

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Charge Density Wave, Superconductivity, and Anomalous Metallic Behavior in 2D Transition Metal Dichalcogenides journal, May 2001

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The pseudogap: friend or foe of high T c ? journal, December 2005

Classification of charge density waves based on their nature journal, February 2015

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Structural phase transition in IrTe2: A combined study of optical spectroscopy and band structure calculations journal, January 2013

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Landau theory of charge-density waves in transition-metal dichalcogenides journal, August 1975

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Fermi surface of layered compounds and bulk charge density wave systems journal, August 2007

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Superconductivity in Cu x IrTe 2 driven by interlayer hybridization journal, May 2013

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Importance of short interlayer Te···Te contacts for the structural distortions and physical properties of CdI2-type layered transition-metal ditellurides journal, July 1992

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Title: Charge modulation and structural transformation in TaTe₂ studied by scanning tunneling microscopy/spectroscopy

Origin of the phase transition in IrTe $_{2}$ : Structural modulation and local bonding instability
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Visualizing the charge density wave transition in $2 H$ - ${NbSe}_{2}$ in real space
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Primary Role of the Barely Occupied States in the Charge Density Wave Formation of ${NbSe}_{2}$
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Crystal structure, electrical properties and electronic band structure of tantalum ditelluride
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Bond competition and phase evolution on the IrTe2 surface
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Importance of short interlayer Te···Te contacts for the structural distortions and physical properties of CdI2-type layered transition-metal ditellurides
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The surface and domain structure of NbTe2
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Orbital textures and charge density waves in transition metal dichalcogenides
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