Discovery of Dirac Node Arcs in PtSn4

Kaminski, Adam; Canfield, Paul; Budko, Serguei; Mou, Daixiang; Mun, Eundeok; Wu, Yun; Huang, Lunan; Lee, Yongbin; Johnson, Duane; Wang, Linlin

doi:10.17039/ameslab.dmse.2016.DS3/1240853

Title: Discovery of Dirac Node Arcs in PtSn4

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Authors:

Kaminski, Adam; Canfield, Paul; Budko, Serguei; Mou, Daixiang; Mun, Eundeok; Wu, Yun; Huang, Lunan; Lee, Yongbin; Johnson, Duane; Wang, Linlin

Ames Lab., Ames, IA (United States)
Iowa State Univ., Ames, IA (United States)

Publication Date:: Mon Mar 07 00:00:00 EST 2016

Other Number(s):: DS 3

DOE Contract Number:: AC02-07CH11358

Research Org.:: Ames Lab., Ames, IA (United States)

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

Subject:: 36 MATERIALS SCIENCE

OSTI Identifier:: 1240853

DOI:: https://doi.org/10.17039/ameslab.dmse.2016.DS3/1240853

Citation Formats


                    Kaminski, Adam, Canfield, Paul, Budko, Serguei, Mou, Daixiang, Mun, Eundeok, Wu, Yun, Huang, Lunan, Lee, Yongbin, Johnson, Duane, and Wang, Linlin. Discovery of Dirac Node Arcs in PtSn4.  United States: N. p., 2016. 
        Web.  doi:10.17039/ameslab.dmse.2016.DS3/1240853.

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                    Kaminski, Adam, Canfield, Paul, Budko, Serguei, Mou, Daixiang, Mun, Eundeok, Wu, Yun, Huang, Lunan, Lee, Yongbin, Johnson, Duane, & Wang, Linlin. Discovery of Dirac Node Arcs in PtSn4.  United States.  doi:https://doi.org/10.17039/ameslab.dmse.2016.DS3/1240853

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                    Kaminski, Adam, Canfield, Paul, Budko, Serguei, Mou, Daixiang, Mun, Eundeok, Wu, Yun, Huang, Lunan, Lee, Yongbin, Johnson, Duane, and Wang, Linlin. 2016.  
"Discovery of Dirac Node Arcs in PtSn4".  United States.  doi:https://doi.org/10.17039/ameslab.dmse.2016.DS3/1240853.  https://www.osti.gov/servlets/purl/1240853. Pub date:Mon Mar 07 00:00:00 EST 2016

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@article{osti_1240853,

  title        = {Discovery of Dirac Node Arcs in PtSn4},

  author       = {Kaminski, Adam and Canfield, Paul and Budko, Serguei and Mou, Daixiang and Mun, Eundeok and Wu, Yun and Huang, Lunan and Lee, Yongbin and Johnson, Duane and Wang, Linlin},

  abstractNote = {},

  doi          = {10.17039/ameslab.dmse.2016.DS3/1240853},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Mon Mar 07 00:00:00 EST 2016},

  month        = {Mon Mar 07 00:00:00 EST 2016}

}

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DOI: https://doi.org/10.17039/ameslab.dmse.2016.DS3/1240853

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We report the observation of a nontrivial spin texture in Dirac node arcs, i.e., novel topological objects formed when Dirac cones of massless particles extend along an open one-dimensional line in momentum space. We find that such states are present in all the compounds of the tetradymite M₂Te₂X family (M=Ti, Zr, or Hf and X=P or As) regardless of the weak or strong character of the topological invariant. Finally, the Dirac node arcs in tetradymites are thus the simplest possible textbook example of a type-I Dirac system with a single spin-polarized node arc.

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