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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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 Urheber:
Kroder, Johannes1, Autor           
Gooth, Johannes2, Autor           
Schnelle, Walter3, Autor           
Fecher, Gerhard H.4, Autor           
Felser, Claudia5, Autor           
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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Schlagwörter: 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
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2019-05-302019-05-30
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1063/1.5089191
 Art des Abschluß: -

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Titel: AIP Advances
  Kurztitel : AIP Adv.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Melville, NY, USA : American Institute of Physics
Seiten: - Band / Heft: 9 (5) Artikelnummer: 055327 Start- / Endseite: 1 - 5 Identifikator: ISSN: 2158-3226
CoNE: https://pure.mpg.de/cone/journals/resource/21583226