Molecular beam epitaxy of the magnetic Kagome metal FeSn on LaAlO3 (111)

Hong, Deshun; Liu, Changjiang; Hsiao, Haw-Wen; Jin, Dafei; Pearson, John E.; Zuo, Jian-Min; Bhattacharya, Anand

doi:10.1063/5.0001909

Title: Molecular beam epitaxy of the magnetic Kagome metal FeSn on LaAlO₃ (111)

Journal Article · Mon Oct 12 00:00:00 EDT 2020 · AIP Advances

DOI:https://doi.org/10.1063/5.0001909· OSTI ID:1671751

Hong, Deshun ^[1]; Liu, Changjiang ^[1]; Hsiao, Haw-Wen ^[2]; Jin, Dafei ^[3]; Pearson, John E. ^[1]; Zuo, Jian-Min ^[2];

^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Illinois at Urbana-Champaign, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials

Materials with Kagome layers are expected to give rise to rich physics arising from band structures with topological properties, spin liquid behavior, and the formation of Skyrmions. Until now, most work on Kagome materials has been performed on bulk samples due to difficulties in thin film synthesis. Here, by using molecular beam epitaxy, layered Kagome-structured FeSn films are synthesized on the (111) oriented LaAlO3 substrate. Both in situ and ex situ characterizations indicate that these films are highly crystalline and c-axis oriented, with atomically smooth surfaces. The films grow as disconnected islands, with lateral dimensions on the micron meter scale. By patterning Pt electrodes using a focused electron beam, the longitudinal and transverse resistance of single islands have been measured in magnetic fields. Our work opens a pathway for exploring mesoscale transport properties in thin films of Kagome materials and related devices.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials; Energy Frontier Research Centers (EFRC) (United States). Center for the Advancement of Topological Semimetals (CATS)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1671751

Alternate ID(s):: OSTI ID: 1671848

Journal Information:: AIP Advances, Vol. 10, Issue 10; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
Epitaxy
Topological properties
Ferromagnetism
Kagome lattices

Title: Molecular beam epitaxy of the magnetic Kagome metal FeSn on LaAlO3 (111)

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References (18)

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Title: Molecular beam epitaxy of the magnetic Kagome metal FeSn on LaAlO₃ (111)