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Room temperature ammonia gas sensor using Nd-doped SnO2 thin films and its characterization

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A Correction to this article was published on 21 July 2020

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Abstract

Nd-doped SnO2 thin films are prepared by the nebulizer spray pyrolysis method. The compositional and morphological studies are discussed. The X-ray diffraction reveals that the films are polycrystalline in nature. The grain size increases as the doping concentration of Nd increases. The x-axis orientation of the films is enhanced by Nd doping. The intensity of the miller indices (200) is enhanced due to doping. In the Raman spectrum, the doping concentration-dependent intensity is observed. The quenching is observed in the photoluminescence spectrum. The transmittance and the band gap of films have been decreased due to doping. The 5 wt% Nd-doped film shows the maximum response to ammonia.

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  • 21 July 2020

    The original version of the article (https://doi.org/10.1007/s10854-020-03809-6) was unfortunately published with errors in Table 2 and Fig. 9a. These errors are corrected in this article. The corrected table and figure are given below.

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Authors and Affiliations

  1. Department of Physics, Caussanel College of Arts and Science, Muthupettai, India

    S. Maheswari

  2. Thin Film and Nano Science Research Lab, Department of Physics, Alagappa Government Arts College, Karaikudi, 630 003, India

    S. Maheswari, M. Karunakaran & K. Kasirajan

  3. Department of Physics, Periyar Maniammai Institute of Science & Technology, Vallam, India

    L. Bruno Chandrasekar

  4. Department of Physics, The American College, Madurai, India

    N. Rajkumar

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  1. S. Maheswari
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  2. M. Karunakaran
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  3. L. Bruno Chandrasekar
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  4. K. Kasirajan
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  5. N. Rajkumar
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Correspondence to L. Bruno Chandrasekar.

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Maheswari, S., Karunakaran, M., Chandrasekar, L.B. et al. Room temperature ammonia gas sensor using Nd-doped SnO2 thin films and its characterization. J Mater Sci: Mater Electron 31, 12586–12594 (2020). https://doi.org/10.1007/s10854-020-03809-6

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