{"title":"Magnetotransport and angle-resolved photoemission spectroscopy of MnSb<sub>12</sub>Te<sub>19</sub>: a new member of MnSb<sub>2n</sub>Te<sub>3n+1</sub>family.","authors":"Mohit Mudgal, Priyanka Meena, Vishnu Kumar Tiwari, Venkateswara Yenugonda, Vivek K Malik, Jens Buck, Kai Rossnagel, Sanjoy Kumar Mahatha, Jayita Nayak","doi":"10.1088/1361-648X/ad7806","DOIUrl":null,"url":null,"abstract":"<p><p>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 MnSb<sub>2n</sub>Te<sub>3n+1</sub>family, MnSb<sub>12</sub>Te<sub>19</sub>, for the first time combining magnetotransport and angle-resolved photoemission spectroscopy (ARPES) measurements. Our magnetic susceptibility experiments identify ferromagnetic transitions at temperature T<sub>c</sub>= 18.7 K, consistent with our heat capacity measurements (T=18.8 K). The AHE is observed for the field along the c-axis below T<sub>c</sub>. Our study of Shubinikov-de-Haas (SdH) oscillations provides evidence for Dirac fermions with π Berry phase. Our comprehensive investigation reveals that MnSb<sub>12</sub>Te<sub>19</sub>exhibits a FM ground state along with AHE, and hole-dominated transport properties consistent with ARPES measurements.</p>","PeriodicalId":16776,"journal":{"name":"Journal of Physics: Condensed Matter","volume":null,"pages":null},"PeriodicalIF":2.3000,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Physics: Condensed Matter","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1088/1361-648X/ad7806","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, CONDENSED MATTER","Score":null,"Total":0}
引用次数: 0
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 temperature Tc= 18.7 K, consistent with our heat capacity measurements (T=18.8 K). The AHE is observed for the field along the c-axis below Tc. Our study of Shubinikov-de-Haas (SdH) oscillations provides evidence for Dirac fermions with π Berry phase. Our comprehensive investigation reveals that MnSb12Te19exhibits a FM ground state along with AHE, and hole-dominated transport properties consistent with ARPES measurements.
期刊介绍:
Journal of Physics: Condensed Matter covers the whole of condensed matter physics including soft condensed matter and nanostructures. Papers may report experimental, theoretical and simulation studies. Note that papers must contain fundamental condensed matter science: papers reporting methods of materials preparation or properties of materials without novel condensed matter content will not be accepted.