Magnetic Properties of Intercalation Compound: Mn1/4MX2

Autor:	Takemi Komatsubara, Katsuyoshi Ina, Yoshichika Onuki, Toshiyuki Hirai
Rok vydání:	1986
Předmět:	Magnetization Materials science RKKY interaction Magnetic moment Ferromagnetism Condensed matter physics Transition metal Exchange interaction General Physics and Astronomy Curie temperature Magnetic susceptibility
Zdroj:	Journal of the Physical Society of Japan. 55:347-356
ISSN:	1347-4073 0031-9015
DOI:	10.1143/jpsj.55.347
Popis:	The Mn-intercalated transition metal dichalcogenides Mn 1/4 NbS 2 and Mn 1/4 TaS 2 have been found to be easy-plane type ferromagnets from the magnetization curves, while the magnetization curve of Mn 1/4 NbSe 2 shows a spin flopping behavior, suggesting a helical spin structure along the c -axis. The valency of Mn ion is nearly divalent from the measurements of Hall coefficient and Curie-Weiss magnetic susceptibility. The saturation magnetization is, however, 3.7–4.1 µ B /Mn. Reduction of the magnetic moment from an expected value of 5 µ B /Mn for a Mn 2+ ion may be probably due to the Mn–Mn exchange interaction through the RKKY interaction.
Databáze:	OpenAIRE
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