Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS

C. C. Gu, J. Hu, X. L. Chen, Z. P. Guo, B. T. Fu, Y. H. Zhou, C. An, Y. Zhou, R. R. Zhang, C. Y. Xi, Q. Y. Gu, C. Park, H. Y. Shu, W. G. Yang, L. Pi, Y. H. Zhang, Y. G. Yao, Z. R. Yang, J. H. Zhou, J. SunZ. Q. Mao, M. L. Tian

Research output: Contribution to journalArticle

Abstract

Tunable symmetry breaking plays a crucial role for the manipulation of topological phases of quantum matter. Here, through combined high-pressure magnetotransport measurements, Raman spectroscopy, and x-ray diffraction, we demonstrate a pressure-induced topological phase transition in nodal-line semimetal ZrSiS. Symmetry analysis and first-principles calculations suggest that this pressure-induced topological phase transition may be attributed to weak lattice distortions by nonhydrostatic compression, which breaks some crystal symmetries, such as the mirror and inversion symmetries. This finding provides some experimental evidence for crystal symmetry protection for the topological semimetal state, which is at the heart of topological relativistic fermion physics.

Original languageEnglish (US)
Article number205124
JournalPhysical Review B
Volume100
Issue number20
DOIs
StatePublished - Nov 18 2019

Fingerprint

Metalloids
metalloids
Crystal symmetry
symmetry
Phase transitions
crystals
Galvanomagnetic effects
Fermions
Raman spectroscopy
Mirrors
pressure measurement
Physics
Diffraction
manipulators
X rays
broken symmetry
x ray diffraction
fermions
inversions
mirrors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Gu, C. C., Hu, J., Chen, X. L., Guo, Z. P., Fu, B. T., Zhou, Y. H., ... Tian, M. L. (2019). Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS. Physical Review B, 100(20), [205124]. https://doi.org/10.1103/PhysRevB.100.205124
Gu, C. C. ; Hu, J. ; Chen, X. L. ; Guo, Z. P. ; Fu, B. T. ; Zhou, Y. H. ; An, C. ; Zhou, Y. ; Zhang, R. R. ; Xi, C. Y. ; Gu, Q. Y. ; Park, C. ; Shu, H. Y. ; Yang, W. G. ; Pi, L. ; Zhang, Y. H. ; Yao, Y. G. ; Yang, Z. R. ; Zhou, J. H. ; Sun, J. ; Mao, Z. Q. ; Tian, M. L. / Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS. In: Physical Review B. 2019 ; Vol. 100, No. 20.
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abstract = "Tunable symmetry breaking plays a crucial role for the manipulation of topological phases of quantum matter. Here, through combined high-pressure magnetotransport measurements, Raman spectroscopy, and x-ray diffraction, we demonstrate a pressure-induced topological phase transition in nodal-line semimetal ZrSiS. Symmetry analysis and first-principles calculations suggest that this pressure-induced topological phase transition may be attributed to weak lattice distortions by nonhydrostatic compression, which breaks some crystal symmetries, such as the mirror and inversion symmetries. This finding provides some experimental evidence for crystal symmetry protection for the topological semimetal state, which is at the heart of topological relativistic fermion physics.",
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Gu, CC, Hu, J, Chen, XL, Guo, ZP, Fu, BT, Zhou, YH, An, C, Zhou, Y, Zhang, RR, Xi, CY, Gu, QY, Park, C, Shu, HY, Yang, WG, Pi, L, Zhang, YH, Yao, YG, Yang, ZR, Zhou, JH, Sun, J, Mao, ZQ & Tian, ML 2019, 'Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS', Physical Review B, vol. 100, no. 20, 205124. https://doi.org/10.1103/PhysRevB.100.205124

Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS. / Gu, C. C.; Hu, J.; Chen, X. L.; Guo, Z. P.; Fu, B. T.; Zhou, Y. H.; An, C.; Zhou, Y.; Zhang, R. R.; Xi, C. Y.; Gu, Q. Y.; Park, C.; Shu, H. Y.; Yang, W. G.; Pi, L.; Zhang, Y. H.; Yao, Y. G.; Yang, Z. R.; Zhou, J. H.; Sun, J.; Mao, Z. Q.; Tian, M. L.

In: Physical Review B, Vol. 100, No. 20, 205124, 18.11.2019.

Research output: Contribution to journalArticle

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T1 - Experimental evidence of crystal symmetry protection for the topological nodal line semimetal state in ZrSiS

AU - Gu, C. C.

AU - Hu, J.

AU - Chen, X. L.

AU - Guo, Z. P.

AU - Fu, B. T.

AU - Zhou, Y. H.

AU - An, C.

AU - Zhou, Y.

AU - Zhang, R. R.

AU - Xi, C. Y.

AU - Gu, Q. Y.

AU - Park, C.

AU - Shu, H. Y.

AU - Yang, W. G.

AU - Pi, L.

AU - Zhang, Y. H.

AU - Yao, Y. G.

AU - Yang, Z. R.

AU - Zhou, J. H.

AU - Sun, J.

AU - Mao, Z. Q.

AU - Tian, M. L.

PY - 2019/11/18

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N2 - Tunable symmetry breaking plays a crucial role for the manipulation of topological phases of quantum matter. Here, through combined high-pressure magnetotransport measurements, Raman spectroscopy, and x-ray diffraction, we demonstrate a pressure-induced topological phase transition in nodal-line semimetal ZrSiS. Symmetry analysis and first-principles calculations suggest that this pressure-induced topological phase transition may be attributed to weak lattice distortions by nonhydrostatic compression, which breaks some crystal symmetries, such as the mirror and inversion symmetries. This finding provides some experimental evidence for crystal symmetry protection for the topological semimetal state, which is at the heart of topological relativistic fermion physics.

AB - Tunable symmetry breaking plays a crucial role for the manipulation of topological phases of quantum matter. Here, through combined high-pressure magnetotransport measurements, Raman spectroscopy, and x-ray diffraction, we demonstrate a pressure-induced topological phase transition in nodal-line semimetal ZrSiS. Symmetry analysis and first-principles calculations suggest that this pressure-induced topological phase transition may be attributed to weak lattice distortions by nonhydrostatic compression, which breaks some crystal symmetries, such as the mirror and inversion symmetries. This finding provides some experimental evidence for crystal symmetry protection for the topological semimetal state, which is at the heart of topological relativistic fermion physics.

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