Magnetic anomalies in SmMn2Ge2

Mallik, R. ; Sampathkumaran, E. V. ; Paulose, P. L. (1997) Magnetic anomalies in SmMn2Ge2 Physica B: Condensed Matter, 230-232 . pp. 731-734. ISSN 0921-4526

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The results of electrical resistance (ϱ), magnetoresistance (Δϱ/ϱ) and magnetization (M) measurements are reported for polycrystalline SmMn2Ge2. Sharp variations in ϱ at 108 and 142 K attributable to well-known magnetic transitions from Mn sublattice are noted. Sign of the ϱ across these transitions exhibits anomalies. Δϱ/ϱ data indicate the existence of a hitherto unrecognized magnetic anomaly near 30 K, presumably of ferrimagnetic type as revealed by isothermal M data at low temperatures.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:SmMn2Ge2; Multiple Magnetic Transitions; Magnetoresistance
ID Code:92951
Deposited On:06 Jun 2012 13:45
Last Modified:06 Jun 2012 13:45

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