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  Heteroepitaxial growth of tetragonal Mn2.7-xFexGa1.3 (0 <= x <= 1.2) Heusler films with perpendicular magnetic anisotropy

Kalache, A., Markou, A., Selle, S., Hoeche, T., Sahoo, R., Fecher, G. H., et al. (2017). Heteroepitaxial growth of tetragonal Mn2.7-xFexGa1.3 (0 <= x <= 1.2) Heusler films with perpendicular magnetic anisotropy. APL Materials, 5(9): 096102, pp. 1-9. doi:10.1063/1.4991468.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-17A5-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-2539-1
Genre: Journal Article

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 Creators:
Kalache, Adel1, Author              
Markou, Anastasios1, Author              
Selle, Susanne2, Author
Hoeche, Thomas2, Author
Sahoo, Roshnee1, Author              
Fecher, Gerhard H.3, Author              
Felser, Claudia4, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Gerhard Fecher, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863431              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: This work reports on the structural and magnetic properties of Mn2.7-xFexGa1.3 Heusler films with different Fe content x (0 <= x <= 1.2). The films were deposited heteroepitaxially on MgO single crystal substrates, by magnetron sputtering. Mn2.7-xFexGa1.3 films with the thickness of 35 nm were crystallized in a tetragonal D0(22) structure with (001) preferred orientation. Tunable magnetic properties were achieved by changing the Fe content x. Mn2.7-xFexGa1.3 thin films exhibit high uniaxial anisotropy K-u >= 1.4MJ/m(3), coercivity from 0.95 to 0.31 T, and saturation magnetization from 290 to 570 kA/m. The film with Mn1.6Fe1.1Ga1.3 composition shows high Ku of 1.47 MJ/m(3) and energy product (BH)(max) of 37 kJ/m(3) at room temperature. These findings demonstrate that Mn2.7-xFexGa1.3 films have promising properties for mid-range permanent magnet and spintronic applications. (C) 2017 Author(s).

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Language(s): eng - English
 Dates: 2017-09-112017-09-11
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000412099100002
DOI: 10.1063/1.4991468
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Title: APL Materials
Source Genre: Journal
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Publ. Info: AIP Scitation
Pages: - Volume / Issue: 5 (9) Sequence Number: 096102 Start / End Page: 1 - 9 Identifier: CoNE: /journals/resource/2166-532X