Symmetry-protected multiple-type nodal lines in intermetallic XY (X = Ca, Rare earth; Y = Ni, PGE, Ag, Cu)

•There are multiple types nodal line semimetals in Pm3̅m space group.•Nodal line fermions show strong robustness.•Nodal lines clearly show the Fermi arc edge states.•Nodal lines have good regulation properties with dispersion and energy levels. Nodal line semimetals (NLSMs) have been widely studied...

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Veröffentlicht in:	Journal of alloys and compounds 2021-08, Vol.873, p.159773, Article 159773
Hauptverfasser:	Liu, Qianling, Li, Ao, Hou, Hongxi, Liu, Rui, Fan, Chengkai, Meng, Weizhen, Zhang, Xiaoming
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter physics Copper Critical-type Dispersion Drumhead surface states Electronic devices Energy gap Energy levels Fermions Materials selection Metalloids Nickel Nodal line semimetals Silver Type-I
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