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  Large resistivity change and phase transition in the antiferromagnetic semiconductors LiMnAs and LaOMnAs

Beleanu, A., Kiss, J., Kreiner, G., Köhler, C., Müchler, L., Schnelle, W., et al. (2013). Large resistivity change and phase transition in the antiferromagnetic semiconductors LiMnAs and LaOMnAs. Physical Review B, 88(18): 184429, pp. 1-3. doi:10.1103/PhysRevB.88.184429.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1A6A-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-6A07-1
Genre: Journal Article

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 Creators:
Beleanu, A.1, Author              
Kiss, J.1, Author              
Kreiner, G.2, Author              
Köhler, C.3, Author              
Müchler, L.3, Author              
Schnelle, W.4, Author              
Burkhardt, U.5, Author              
Chadov, S.6, Author              
Medvediev, S.7, Author              
Ebke, D.8, Author              
Felser, C.9, Author              
Cordier, G., Author
Albert, B., Author
Hoser, A., Author
Bernardi, F., Author
Larkin, T. I., Author
Propper, D., Author
Boris, A. V., Author
Keimer, B., Author
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Guido Kreiner, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863433              
3Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
4Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
5Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
6Stanislav Chadov, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863440              
7Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              
8Daniel Ebke, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863430              
9Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Antiferromagnetic semiconductors are new alternative materials for spintronic applications and spin valves. In this work, we report a detailed investigation of two antiferromagnetic semiconductors AMnAs (A = Li, LaO), which are isostructural to the well-known LiFeAs and LaOFeAs superconductors. Here we present a comparison between the structural, magnetic, and electronic properties of LiMnAs, LaOMnAs, and related materials. Interestingly, both LiMnAs and LaOMnAs show a variation in resistivity with more than five orders of magnitude, making them particularly suitable for use in future electronic devices. Neutron and x-ray diffraction measurements on LiMnAs show a magnetic phase transition corresponding to the Neel temperature of 373.8 K, and a structural transition from the tetragonal to the cubic phase at 768 K. These experimental results are supported by density functional theory calculations.

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Language(s): eng - English
 Dates: 2013-11-272013-11-27
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 671315
ISI: 000327933600004
DOI: 10.1103/PhysRevB.88.184429
 Degree: -

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 88 (18) Sequence Number: 184429 Start / End Page: 1 - 3 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008