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  Ferromagnetic ordering and half-metallic state of Sn2Co3S2 with the shandite-type structure

Schnelle, W., Leithe-Jasper, A., Rosner, H., Schappacher, F. M., Pöttgen, R., Pielnhofer, F., et al. (2013). Ferromagnetic ordering and half-metallic state of Sn2Co3S2 with the shandite-type structure. Physical Review B, 88(14): 144404, pp. 144404-1-144404-8. doi:10.1103/PhysRevB.88.144404.

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 Creators:
Schnelle, W.1, Author           
Leithe-Jasper, A.2, Author           
Rosner, H.3, Author           
Schappacher, F. M., Author
Pöttgen, R., Author
Pielnhofer, F., Author
Weihrich, R., Author
Affiliations:
1Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
2Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              
3Helge Rosner, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863450              

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 Abstract: Single crystalline Sn2Co3S2 with the shandite-type structure was investigated by magnetization, magnetoresistance, Hall effect, and heat capacity measurements and by Sn-119 Mossbauer spectroscopy. Sn2Co3S2 orders ferromagnetically at 172 K with an easy-axis magnetization of approximate to 1 mu(B) along the hexagonal c axis. The half-metallic ferromagnetic state is investigated by detailed band-structure calculations by density functional theory (DFT) methods. The magnetoresistance and the Hall effect as well as the DFT results show that ferromagnetic Sn2Co3S2 is a compensated metal. The Sn-119 Mossbauer spectroscopic data confirm these findings. Large transferred hyperfine fields B-hf up to 34.2 T are observed.

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Language(s): eng - English
 Dates: 2013-10-04
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 670780
ISI: 000325497900002
DOI: 10.1103/PhysRevB.88.144404
 Degree: -

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Title: Physical Review B
Source Genre: Journal
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Pages: - Volume / Issue: 88 (14) Sequence Number: 144404 Start / End Page: 144404-1 - 144404-8 Identifier: ISSN: 1098-0121