Observation of Topological Nodal Fermion Semimetal Phase in ZrSiS

By M. Neupane, I. Belopolski, Md Mofazzel Hosen, D. Sanchez, R. Sankar, M. Szlawska, Su-Yang Xu, Klauss Dimitri, Nagendra Dhakal, P. Maldonado and 5 more. 2016

302 citations recorded by the source corpus.

The search for new topological phases of matter is a major new direction in condensed matter physics. Recent experimental realizations of Dirac and Weyl semimetal phases pave the way to look for other exotic phases of matter in real materials. In this paper, the authors present a systematic angle-resolved photoemission spectroscopy study of ZrSiS, a potential topological nodal semimetal candidate. Their systematic measurements establish the spinless nodal fermion semimetal phase in ZrSiS, which is supported by their first-principles calculations. This work puts forward the ZrSiS-type material family as a new platform to explore exotic states of quantum matter.

Subfields: Atomic and Molecular Physics, and Optics, Condensed Matter Physics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/8749414f2a6627ab02c8866ffe901e56ad43e6cd

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Atomic and Molecular Physics, and Optics

1. Ashvin Vishwanath
2. N. P. Armitage
3. J. Venderbos
4. Andrew M. Rappe
5. Youngkuk Kim
6. Heng Gao
7. E. Mele
8. L. Schoop

In Condensed Matter Physics

1. Heng Gao
2. Youngkuk Kim
3. Ashvin Vishwanath
4. N. P. Armitage
5. E. Mele
6. M. Katsnelson
7. J. Venderbos
8. Andrew M. Rappe

In Materials Chemistry

1. Ashvin Vishwanath
2. J. Venderbos
3. Andrew M. Rappe
4. Youngkuk Kim
5. Heng Gao
6. N. P. Armitage
7. M. Katsnelson
8. L. Schoop

Citations in the corpus

• Topological Semimetals from First Principles (2018, background): “Evidence of topological nodal-line fermions in ZrSiSe and ZrSiTe.”
• Weyl and Dirac semimetals in three-dimensional solids (2017, background): “They may have been observed in ZrSiS (Neupane et al., 2016; Schoop et al., 2016), PbTaSe2 (Bian et al., 2016a), HfSiS (Takane et al., 2016), and TlTaSe2 (Bian et al., 2016b) via ARPES.”
• Nodal-knot semimetals (2017, unknown): “[60] Madhab Neupane, Ilya Belopolski, M.”
• Unconventional mass enhancement around the Dirac nodal loop in ZrSiS (2017, background): “Significantly, ARPES sees no renormalization of the band dispersion [11, 12], suggesting that the renormalization only occurs very close to ǫ F and is thus unobservable by ARPES.”
• Nodal-link semimetals (2017, unknown): “[82] Madhab Neupane, Ilya Belopolski, M.”
• Topological Semimetals in Square-Net Materials (2018, methodology): “ZrSiS (9, 48, 49, 40) (38, 37, 50, 51) (55, 56, 49, 57, 58) (59, 60, 61, 50) (52, 53) (31, 62) (63, 64)”