DOI: 10.1088/1367-2630/aa759c. Molecular beam epitaxy growth and structure of self-assembled Bi2Se3/Bi2MnSe4 multilayer heterostructures

Molecular beam epitaxy growth and structure of self-assembled Bi2Se3/Bi2MnSe4 multilayer heterostructures

10.1088/1367-2630/aa759c

Crossref journal-article

IOP Publishing

New Journal of Physics (266)

Abstract

Abstract We demonstrate that the introduction of an elemental beam of Mn during the molecular beam epitaxial growth of Bi2Se3 results in the formation of layers of Bi2MnSe4 that intersperse between layers of pure Bi2Se3. This study revises the assumption held by many who study magnetic topological insulators (TIs) that Mn incorporates randomly at Bi-substitutional sites during epitaxial growth of Mn:Bi2Se3. Here, we report the formation of thin film magnetic TI Bi2MnSe4 with stoichiometric composition that grows in a self-assembled multilayer heterostructure with layers of Bi2Se3, where the number of Bi2Se3 layers separating the single Bi2MnSe4 layers is approximately defined by the relative arrival rate of Mn ions to Bi and Se ions during growth, and we present its compositional, structural, and electronic properties. We support a model for the epitaxial growth of Bi2MnSe4 in a near-periodic self-assembled layered heterostructure with Bi2Se3 with corresponding theoretical calculations of the energetics of this material and those of similar compositions. Computationally derived electronic structure of these heterostructures demonstrates the existence of topologically nontrivial surface states at sufficient thickness.

Bibliography

Hagmann, J. A., Li, X., Chowdhury, S., Dong, S.-N., Rouvimov, S., Pookpanratana, S. J., Man Yu, K., Orlova, T. A., Bolin, T. B., Segre, C. U., Seiler, D. G., Richter, C. A., Liu, X., Dobrowolska, M., & Furdyna, J. K. (2017). Molecular beam epitaxy growth and structure of self-assembled Bi2Se3/Bi2MnSe4 multilayer heterostructures. New Journal of Physics, 19(8), 085002.

Authors 15

Joseph A Hagmann (first)
Xiang Li (additional)
Sugata Chowdhury (additional)
Si-Ning Dong (additional)
Sergei Rouvimov (additional)
Sujitra J Pookpanratana (additional)
Kin Man Yu (additional)
Tatyana A Orlova (additional)
Trudy B Bolin (additional)
Carlo U Segre (additional)
David G Seiler (additional)
Curt A Richter (additional)
Xinyu Liu (additional)
Margaret Dobrowolska (additional)
Jacek K Furdyna (additional)

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{'year': '2012', 'author': 'Naumkin', 'key': 'njpaa759cbib48'} by Naumkin (2012)

Dates

Type	When
Created	8 years ago (Aug. 14, 2017, 4:14 a.m.)
Deposited	3 years, 7 months ago (Jan. 7, 2022, 12:09 p.m.)
Indexed	3 months, 2 weeks ago (May 6, 2025, 4:49 a.m.)
Issued	8 years ago (Aug. 1, 2017)
Published	8 years ago (Aug. 1, 2017)
Published Online	8 years ago (Aug. 14, 2017)
Published Print	8 years ago (Aug. 1, 2017)

Funders 1

Division of Materials Research 10.13039/100000078
Region: Americas
gov (National government)
Labels4
1. NSF Division of Materials Research
2. Materials Research
3. DMR
4. MPS/DMR
Awards1
1. DMR1400432

BibTeX

@article{Hagmann_2017, title={Molecular beam epitaxy growth and structure of self-assembled Bi2Se3/Bi2MnSe4 multilayer heterostructures}, volume={19}, ISSN={1367-2630}, url={http://dx.doi.org/10.1088/1367-2630/aa759c}, DOI={10.1088/1367-2630/aa759c}, number={8}, journal={New Journal of Physics}, publisher={IOP Publishing}, author={Hagmann, Joseph A and Li, Xiang and Chowdhury, Sugata and Dong, Si-Ning and Rouvimov, Sergei and Pookpanratana, Sujitra J and Man Yu, Kin and Orlova, Tatyana A and Bolin, Trudy B and Segre, Carlo U and Seiler, David G and Richter, Curt A and Liu, Xinyu and Dobrowolska, Margaret and Furdyna, Jacek K}, year={2017}, month=aug, pages={085002} }

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