Local-moment ferromagnetism and unusual magnetic domains in Fe\(_{1/4}\)TaS\(_{2}\) crystals

Local-moment ferromagnetism and unusual magnetic domains in Fe\(_{1/4}\)TaS\(_{2}\) crystals

Single crystals of Fe\(_{1/4}\)TaS\(_{2}\) have been studied by using magneto-optical (MO) imaging and radio-frequency (rf) magnetic susceptibility, \(\chi\). Real time MO images reveal unusual, slow dynamics of dendritic domain formation, the details of which are strongly dependent upon magnetic an...

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Veröffentlicht in:arXiv.org 2009-05
Hauptverfasser: Vannette, M D, Yeninas, S, Morosan, E, Cava, R J, Prozorov, R
Format: Artikel
Sprache:eng
Schlagworte:
Crystals
Ferromagnetism
Magnetic anisotropy
Magnetic domains
Magnetic permeability
Physics - Strongly Correlated Electrons
Single crystals
Temperature dependence
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Zusammenfassung:Single crystals of Fe\(_{1/4}\)TaS\(_{2}\) have been studied by using magneto-optical (MO) imaging and radio-frequency (rf) magnetic susceptibility, \(\chi\). Real time MO images reveal unusual, slow dynamics of dendritic domain formation, the details of which are strongly dependent upon magnetic and thermal history. Measurements of \(\chi(T)\) show well-defined, local moment ferromagnetic transition at \(T\approx 155\) K as well as thermal hysteresis for 50 K\(
ISSN:2331-8422
DOI:10.48550/arxiv.0905.2684