Tunable two-phase coexistence in half-doped manganites

Chaddah, P. ; Banerjee, A. (2008) Tunable two-phase coexistence in half-doped manganites Pramana - Journal of Physics, 70 (2). pp. 193-199. ISSN 0304-4289

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Official URL: http://www.ias.ac.in/pramana/v70/p193/fulltext.pdf

Related URL: http://dx.doi.org/10.1007/s12043-008-0038-8

Abstract

We discuss our very interesting experimental observation that the low-temperature two-phase coexistence in half-doped manganites is multi-valued (at any field) in that we can tune the coexisting antiferromagnetic-insulating (AF-I) and the ferromagnetic-metallic (FM-M) phase fractions by following different paths in (H, T) space. We have shown experimentally that the phase fraction, in this two-phase coexistence, can take continuous infinity of values. All but one of these are metastable, and two-phase coexistence is not an equilibrium state.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Phase Coexistence; Half-doped Manganites
ID Code:84463
Deposited On:25 Feb 2012 13:59
Last Modified:19 May 2016 00:53

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