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Magnetotransport and angle-resolved photoemission spectroscopy of MnSb12Te19: a new member of MnSb2nTe3n+1family.
Mudgal, Mohit; Meena, Priyanka; Tiwari, Vishnu Kumar; Yenugonda, Venkateswara; Malik, Vivek Kumar; Buck, Jens; Rossnagel, Kai; Mahatha, Sanjoy Kr; Nayak, Jayita.
Afiliación
  • Mudgal M; Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India.
  • Meena P; Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India.
  • Tiwari VK; Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India.
  • Yenugonda V; Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India.
  • Malik VK; Department of Physics, SUNY Buffalo State University, Buffalo, NY 14222, United States of America.
  • Buck J; Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, India.
  • Rossnagel K; Ruprecht Haensel Laboratory, Deutsches Elektronen-Synchrotron, DESY, Notkestr. 85, Hamburg, 22607, Germany.
  • Mahatha SK; Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Olshausenstr. 40, 24098 Kiel, Germany.
  • Nayak J; Ruprecht Haensel Laboratory, Deutsches Elektronen-Synchrotron, DESY, Notkestr. 85, Hamburg, 22607, Germany.
J Phys Condens Matter ; 36(50)2024 Sep 13.
Article en En | MEDLINE | ID: mdl-39241799
ABSTRACT
The quest for intrinsically ferromagnetic topological materials is a focal point in the study of topological phases of matter, as intrinsic ferromagnetism plays a vital role in realizing exotic properties such as the anomalous Hall effect (AHE) in quasi-two-dimensional materials, and this stands out as one of the most pressing concerns within the field. Here, we investigate a novel higher order member of the MnSb2nTe3n+1family, MnSb12Te19, for the first time combining magnetotransport and angle-resolved photoemission spectroscopy (ARPES) measurements. Our magnetic susceptibility experiments identify ferromagnetic transitions at temperatureTc= 18.7 K, consistent with our heat capacity measurements (T= 18.8 K). The AHE is observed for the field along thec-axis belowTc. Our study of Shubinikov-de-Haas oscillations provides evidence for Dirac fermions withπBerry phase. Our comprehensive investigation reveals that MnSb12Te19exhibits a FM ground state along with AHE, and hole-dominated transport properties consistent with ARPES measurements.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Condens Matter Asunto de la revista: BIOFISICA Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Condens Matter Asunto de la revista: BIOFISICA Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido