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Structural, vibrational and band gap tunability of lead-free (1-x)NaBiTO3-xBiMnO(3) ceramics
- Authors
- Muneeswaran, Muniyandi; Kim, Dong Hun; Jung, Beon Sung; Park, Sung Heum; Choi, Byung Chun; Jeong, Jung Hyun; Chang, Seo Hyoung
- Issue Date
- Dec-2017
- Publisher
- Kluwer Academic Publishers
- Citation
- Journal of Materials Science: Materials in Electronics, v.28, no.24, pp 18508 - 18514
- Pages
- 7
- Journal Title
- Journal of Materials Science: Materials in Electronics
- Volume
- 28
- Number
- 24
- Start Page
- 18508
- End Page
- 18514
- ISSN
- 0957-4522
1573-482X
- Abstract
- We report the band gap tunability of (1 - x)Na0.5Bi0.5TiO3-xBiMnO(3) (x = 0.00, 0.05, 0.10 and 0.15) ceramics by a solid-state reaction method. X-ray diffraction (XRD) analysis confirmed the phase formation of rhombohedral structure with the space group of R3c. Rietveld refinement of XRD data revealed that the structural symmetry as a function of x composition. Raman analysis exhibited the vibrational phonon frequencies associated with Bi-O, Na-O, and TiO6 octahedral vibrations. The realized band gap energy variations (3.35-2.53 eV) suggesting that the synthesized ceramics materials are promising for photovoltaic and photocatalytic applications.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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