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Properties of a mixed-valent iron compound with the kagome lattice

Rao, CNR and Paul, Geo and Choudhury, Amitava and Sampathkumaran, EV and Raychaudhuri, Arup K and Ramasesha, S and Rudra, Indranil (2003) Properties of a mixed-valent iron compound with the kagome lattice. In: Physical Review B (Condensed Matter and Materials Physics ), 67 . pp. 134425-1.

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Abstract

An organically templated iron sulfate of the formula $[HN(CH_2)_6NH] [Fe^I^I^IFe_2^I^I F_6(SO_4)_2]\cdot[H_3O]$ possessing the kagome lattice has been prepared and characterized by single-crystal crystallography and other techniques. This mixed-valent iron compound shows complex magnetic properties including spin-glass behavior and magnetic hysteresis. The low-temperature specific heat data show deviation from the $T^2$ behavior found in two-dimensional frustrated systems. Simple calculations have been carried out to understand the properties of this kagomecompound.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to American Physical Society (APS).
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 01 Mar 2006
Last Modified: 19 Sep 2010 04:14
URI: http://eprints.iisc.ernet.in/id/eprint/1340

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