Voltage response of pyroelectric SnO₂/Fe₂O₃ films deposited via spray pyrolysis

Authors

Arvin Escolano National Institute of Physics, University of the Philippines Diliman
Armando Somintac National Institute of Physics, University of the Philippines Diliman
Elmer Estacio National Institute of Physics, University of the Philippines Diliman
Arnel Salvador National Institute of Physics, University of the Philippines Diliman

Abstract

Pyroelectric SnO₂/Fe₂O₃ nanocomposite films were deposited on glass substrates via spray pyrolysis. Samples with 10, 20, and 40 mol.% Fe were prepared and subjected to X-ray Diffractometry (XRD) and dynamic pyroelectric measurements. XRD analysis confirmed that the samples are nanocomposites with SnO₂and Fe₂O₃ phases present in the films. As predicted by the Ostwald ripening model, increasing the Fe concentration diminishes the crystallite sizes of the constituent phases. The pyroelectric coefficient p_vwas found to improve with increasing Fe concentration due to the smaller crystallite size present in the films. The highest observed p_v is 2.78 × 10⁵ V/mK at 350^oC.

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Issue

2016: Proceedings of the 34th Samahang Pisika ng Pilipinas Physics Conference

Article ID

SPP-2016-5B-04

Section

Condensed Matter Physics and Materials Science

Published

2016-08-18

How to Cite

[1]

A Escolano, A Somintac, E Estacio, and A Salvador, Voltage response of pyroelectric SnO2/Fe2O3 films deposited via spray pyrolysis, Proceedings of the Samahang Pisika ng Pilipinas 34, SPP-2016-5B-04 (2016). URL: https://proceedings.spp-online.org/article/view/SPP-2016-5B-04.