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Zirconium silicon sulfide

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(Redirected from ZrSiS) Layered Dirac semi-metal with the chemical formula ZrSiS
Zirconium silicon sulfide
Identifiers
3D model (JSmol)
InChI
  • InChI=1S/H2S.H4Si.Zr/h1H2;1H4;Key: DQZDVZPUPSFVHT-UHFFFAOYSA-N
SMILES
  • ..
Properties
Chemical formula SSiZr
Molar mass 151.37 g·mol
Appearance black
Structure
Crystal structure tetragonal
Space group P4/nmm
Lattice constant a = 3.5440 Å, c =  8.0550 Å
Lattice volume (V)  101.17 Å
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Zirconium silicon sulfide (ZrSiS) is a crystalline layered Dirac semi-metal compound of zirconium, silicon and sulfur. Its crystals are made from planes of five single-atom layers of each element in the order S-Zr-Si-Zr-S, with the single element planes connected to their neighbors by van der Waals forces.

Semi-Dirac fermions were first observed within ZrSiS.

References

  1. ^ Sankar, Raman; Peramaiyan, G.; Muthuselvam, I. Panneer; Butler, Christopher J.; Dimitri, Klauss; Neupane, Madhab; Rao, G. Narsinga; Lin, M.-T.; Chou, F. C. (2017-01-18). "Crystal growth of Dirac semimetal ZrSiS with high magnetoresistance and mobility". Scientific Reports. 7 (1): 40603. Bibcode:2017NatSR...740603S. doi:10.1038/srep40603. ISSN 2045-2322. PMC 5241817. PMID 28098209.
  2. Müller, C. S. A. (2020). "Determination of the Fermi surface and field-induced quasiparticle tunneling around the Dirac nodal loop in ZrSiS". Physical Review Research. 2 (2): 023217. arXiv:2002.04379. Bibcode:2020PhRvR...2b3217M. doi:10.1103/PhysRevResearch.2.023217.
  3. Puiu, Tibi (2024-12-11). "This Wild Quasiparticle Switches Between Having Mass and Being Massless. It All Depends on the Direction It Travels". ZME Science. Retrieved 2024-12-13.
  4. Shao, Yinming (2024). "Semi-Dirac Fermions in a Topological Metal". Physical Review X. 14 (4): 041057. arXiv:2311.03735. Bibcode:2024PhRvX..14d1057S. doi:10.1103/PhysRevX.14.041057.


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