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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제4호
- 발행연도
- 2017.4
- 수록면
- 329 - 335 (7page)
- DOI
- http://dx.doi.org/
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Sol gel processed cadmium titanate (CdTiO3) ceramic has been characterized by X-ray diffraction (XRD), infrared (IR) andRaman techniques. The results confirm that CdTiO3 crystallizes in the pure hexagonal ilmenite phase at 900 oC and undergoesa transition to the pure orthorhombic structure above this temperature. Furthermore, it was showed that a post-annealing atthe temperature of 1100 oC leads to a transition to a new phase with Pbn21 as space group, with the following latticeparameters: a = 5.30 A, b = 5.43 A and c = 7.57 A. UV-Vis spectroscopy results show that CdTiO3 band gap energies arestrongly affected by the crystallite size and structural properties. The obtained band gap values of ilmenite and perovskitephases are higher than those reported in the literature, whereas that of Pbn21 is slightly lower than that related to Pbnm,probably due to the distortion of Pbnm structure or to the presence of TiO2 structure.
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참고문헌 (21)
참고문헌 신청
M. kharkwal / 2012 / Indian and Journal of Chemistry 51A:1538~1544
A. Montenero / 1997 / Applied Organometallic Chemistry 11:137~146
X. Zhang / 2003 / Journal of Materials Science 38:2353~2356
D. Bersani / 1997 / Journal of Sol-Gel Science and Technology 8:337~342
S. Sasaki / 1987 / Acta Cryst. C 43:1668~1674
A. Montenero / 1997 / Applied Organometallic Chemistry 11:137~146
X. Zhang / 2003 / Journal of Materials Science 38:2353~2356
D. Bersani / 1997 / Journal of Sol-Gel Science and Technology 8:337~342
S. Sasaki / 1987 / Acta Cryst. C 43:1668~1674
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