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  Half-metallic compensated ferrimagnetism with a tunable compensation point over a wide temperature range in the Mn-Fe-V-Al Heusler system

Stinshoff, R., Fecher, G. H., Chadov, S., Nayak, A. K., Balke, B., Ouardi, S., et al. (2017). Half-metallic compensated ferrimagnetism with a tunable compensation point over a wide temperature range in the Mn-Fe-V-Al Heusler system. AIP Advances, 7(10): 105009, pp. 1-15. doi:10.1063/1.5000351.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-31E4-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-31F0-2
Genre: Journal Article

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Stinshoff, Rolf1, Author              
Fecher, Gerhard H.2, Author              
Chadov, Stanislav3, Author              
Nayak, Ajaya K.4, Author              
Balke, Benjamin5, Author
Ouardi, Siham6, Author              
Nakamura, Tetsuya5, Author
Felser, Claudia7, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Gerhard Fecher, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863431              
3Stanislav Chadov, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863440              
4Ajaya Nayak, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863426              
5External Organizations, ou_persistent22              
6Siham Ouardi, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863439              
7Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The cubic Heusler compound Mn1.5FeV0.5Al with the L2(1) Heusler structure is the first fully compensated half-metallic ferrimagnet with 24 valence electrons. The ferrimagnetic state can be tuned by changing the composition such that the compensation point appears at finite temperatures ranging from 0 K up to 226 K, while retaining half-metallicity in the system. In this paper, the structural, magnetic and transport properties of the Mn-Fe-V-Al system are discussed. Magnetic reversal and a change of sign of the anomalous Hall effect were observed at the compensation point, which gives rise to a sublattice spin-crossing. These materials present new possibilities for potential spintronic devices because of their advantageous properties such as imperceptibility to external fields, lower power consumption and ultrafast switching in the THz region. (C) 2017 Author(s).

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 Dates: 2017-10-132017-10-13
 Publication Status: Published in print
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 Identifiers: ISI: 000414246100009
DOI: 10.1063/1.5000351
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Title: AIP Advances
Source Genre: Journal
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Pages: - Volume / Issue: 7 (10) Sequence Number: 105009 Start / End Page: 1 - 15 Identifier: ISSN: 2158-3226
CoNE: /journals/resource/21583226