Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Strain Dependent Resistivity of Granular Manganite Systems: a Simple Quantitative Approach

Version 1 : Received: 16 October 2020 / Approved: 19 October 2020 / Online: 19 October 2020 (08:09:37 CEST)

A peer-reviewed article of this Preprint also exists.

De Feo, P.; Ferraioli, F.; Coppola, N.; Maritato, L. Strain-Dependent Resistivity of Granular Manganite Systems: A Simple Quantitative Approach. Coatings 2020, 10, 1081. De Feo, P.; Ferraioli, F.; Coppola, N.; Maritato, L. Strain-Dependent Resistivity of Granular Manganite Systems: A Simple Quantitative Approach. Coatings 2020, 10, 1081.

Journal reference: Coatings 2020, 10, 1081
DOI: 10.3390/coatings10111081

Abstract

The effects of an external strain tensor on the electrical resistivity of a manganite granular system are investigated using a simple approach describing the induced deformation in terms of the tilt angle between adjacent grains. The results obtained assuming the resistivity of each grain as given by a metallic part, coming from the inner grain, and a surface related tunnel contribution, allow to estimate appreciable resistivity variations even in the case of small deformation angles.

Subject Areas

perovskite; manganite; resistivity; strain; grains; tilt angle

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