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Issue 45, 2018
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Nanoscale LuFeO3: shape dependent ortho/hexa-phase constitution and nanogenerator application

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Abstract

In multiferroic LuFeO3 the hexagonal (-h) phase is an intermediate metastable phase encountered during the amorphous to orthorhombic (-o) transformation and is ferroelectric in nature. Thus far it has only been stabilized in a substrate-supported few layered ultrathin film form. Herein we show that the surface-induced strain field intrinsically present in nano-systems can self-stabilize this phase and the hexagonal to orthorhombic phase constitution ratio depends on the shape of the nanomaterial. Thus, nanoparticles (nanofibres) strain-stabilize the o : h ratio of about 75 : 25 (23 : 77). The inclusion of nano-LuFeO3 into PDMS renders impressive nanogenerator performance, consistent with the ferroelectric phase content.

Graphical abstract: Nanoscale LuFeO3: shape dependent ortho/hexa-phase constitution and nanogenerator application

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Publication details

The article was received on 26 Sep 2018, accepted on 16 Oct 2018 and first published on 19 Oct 2018


Article type: Paper
DOI: 10.1039/C8NR07825D
Nanoscale, 2018,10, 21406-21413

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    Nanoscale LuFeO3: shape dependent ortho/hexa-phase constitution and nanogenerator application

    S. Chaturvedi, S. K. Singh, P. Shyam, M. M. Shirolkar, S. Krishna, R. Boomishankar and S. Ogale, Nanoscale, 2018, 10, 21406
    DOI: 10.1039/C8NR07825D

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