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  Observation of spin glass behavior in chiral Mn48Fe34Si18 with a β-Mn related structure

Kroder, J., Gooth, J., Schnelle, W., Fecher, G. H., & Felser, C. (2019). Observation of spin glass behavior in chiral Mn48Fe34Si18 with a β-Mn related structure. AIP Advances, 9(5): 055327, pp. 1-5. doi:10.1063/1.5089191.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-CECE-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-CED2-8
Genre: Journal Article

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 Creators:
Kroder, Johannes1, Author              
Gooth, Johannes2, Author              
Schnelle, Walter3, Author              
Fecher, Gerhard H.4, Author              
Felser, Claudia5, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Nanostructured Quantum Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_3018212              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4Gerhard Fecher, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863431              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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Free keywords: Glass; Iron compounds; Magnetic susceptibility; Magnetization; Silicides; Spin glass; Stereochemistry, Ac-susceptibility measurements; Chemical similarity; Field-cooled hysteresis loops; Freezing temperatures; Frequency dependent; Magnetic exchange interactions; Spin-glass behavior; Zero-field cooled magnetization, Manganese compounds
 Abstract: The ternary silicide system Fe-Mn-Si exhibits several complex magnetic phases and the chemical similarity of Fe and Mn enables these two elements to be mutually substituted over a wide compositional range. Because this substitution results in chemical disorder and often causes competing magnetic exchange interactions, frustrated spin glass ordering is expected to occur for some Fe-Mn-Si phases. However, the observation of a spin glass state within these alloys has been elusive to date. This paper reports magnetization and ac susceptibility measurements on Mn48Fe34Si18. The compound crystallizes in a Mn3IrSi-type structure, which is closely related to that of β-Mn. Typical spin glass behavior is observed at low temperatures. This comprises a bifurcation of field-cooled and zero-field-cooled magnetization, a displacement of the field-cooled hysteresis loop, magnetic relaxation, a memory effect, and a sharp, frequency-dependent cusp in the ac susceptibility at the freezing temperature. Mn48Fe34Si18 is demonstrated to be a canonical spin glass. © 2019 Author(s).

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Language(s): eng - English
 Dates: 2019-05-302019-05-30
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1063/1.5089191
 Degree: -

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Title: AIP Advances
  Abbreviation : AIP Adv.
Source Genre: Journal
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Publ. Info: Melville, NY, USA : American Institute of Physics
Pages: - Volume / Issue: 9 (5) Sequence Number: 055327 Start / End Page: 1 - 5 Identifier: ISSN: 2158-3226
CoNE: https://pure.mpg.de/cone/journals/resource/21583226