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  Antiferromagnetic Ordering and Transport Anomalies in Single-Crystalline CeAgAs2

Szlawska, M., Gnida, D., Ruszala, P., Winiarski, M. J., Samsel-Czekala, M., Schmidt, M., et al. (2020). Antiferromagnetic Ordering and Transport Anomalies in Single-Crystalline CeAgAs2. Materials, 13(17): 3865, pp. 1-20. doi:10.3390/ma13173865.

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Szlawska, Maria1, Author
Gnida, Daniel1, Author
Ruszala, Piotr1, Author
Winiarski, Maciej J.1, Author
Samsel-Czekala, Malgorzata1, Author
Schmidt, M.2, Author              
Grin, Y.3, Author              
Kaczorowski, Dariusz1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              
3Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: Single crystals of the ternary cerium arsenide CeAgAs(2)were grown by chemical vapor transport. They were studied by means of x-ray diffraction, magnetization, heat capacity and electrical transport measurements. The experimental research was supplemented with electronic band structure calculations. The compound was confirmed to order antiferromagnetically at the Neel temperature of 4.9 K and to undergo metamagnetic transition in a field of 0.5 T at 1.72 K. The electrical resistivity shows distinct increase at low temperatures, which origin is discussed in terms of pseudo-gap formation in the density of states at the Fermi level and quantum corrections to the resistivity in the presence of atom disorder due to crystal structure imperfections.

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Language(s): eng - English
 Dates: 2020-09-012020-09-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000570404000001
DOI: 10.3390/ma13173865
 Degree: -

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Title: Materials
  Abbreviation : Materials
Source Genre: Journal
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Publ. Info: Basel : MDPI
Pages: - Volume / Issue: 13 (17) Sequence Number: 3865 Start / End Page: 1 - 20 Identifier: ISSN: 1996-1944
CoNE: https://pure.mpg.de/cone/journals/resource/1996-1944