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Spectromicroscopic measurement of surface and bulk band structure interplay in a disordered topological insulator
Erica Kotta, Lin Miao, Yishuai Xu +9
Topological insulators are bulk semiconductors that manifest in-gap massless Dirac surface states due to the topological bulk-boundary correspondence principle [1-3]. These surface…
Magnetic imaging of antiferromagnetic domain walls
Paul M. Sass, Wenbo Ge, Jiaqiang Yan +3
The control of domain walls or spin textures is crucial for spintronic applications of antiferromagnets. Despite many efforts, it has been challenging to directly visualize antifer…
Giant topological Hall effect in correlated oxide thin films
Lorenzo Vistoli, Wenbo Wang, Anke Sander +15
Strong electronic correlations can produce remarkable phenomena such as metal-insulator transitions and greatly enhance superconductivity, thermoelectricity, or optical non-lineari…
Pb-doped p-type BiSe thin films via interfacial engineering
Jisoo Moon, Zengle Huang, Weida Wu +1
Due to high density of native defects, the prototypical topological insulator (TI), BiSe, is naturally n-type. Although BiSe can be converted into p-type by substit…
Crystal growth and magnetic structure of MnBi2Te4
J. -Q. Yan, Q. Zhang, T. Heitmann +5
Millimeter-sized MnBiTe single crystals are grown out of Bi-Te flux and characterized by measuring magnetic and transport properties, scanning tunneling microscope (STM) an…