2018/07/31 by Ye Yuan, René Hübner, Magdalena Birowska +12 · 12 citations
Materials Science · Physics and Astronomy · #Alloy #Anisotropy #Charge (physics) #Iron-based superconductors research #Liquid crystal #Phase (matter) #Physics of Superconductivity and Magnetism #Quantum #Rotational symmetry #Symmetry (geometry) #Topological Materials and Phenomena #cond-mat.mtrl-sci
paper · pdf · doi:10.1103/physrevmaterials.2.114601
published in Physical Review Materials 2(11) (American Physical Society) · 16 pages and 11 figures
openalex created_date 2018/08/22 · arxiv created 2018/11/02 · openalex publication_date 2018/11/02 · arxiv updated 2018/11/06 · openalex updated_date 2026/08/05
The origin of nematicity, i.e., in-plane rotational symmetry breaking, and in particular the relative role played by spontaneous unidirectional ordering of spin, orbital, or charge degrees of freedom, is a challenging issue of magnetism, unconventional superconductivity, and quantum Hall effect systems. In this paper, experimental and theoretical results for In_1\ensuremath-xFexAs demonstrate that anisotropic distribution of Fe cations at the growth surface (which has a lower symmetry than the bulk) can lead to a quenched nematic order of alloy components, which then governs low-temperature magnetic and magnetotransport properties.