Hostname: page-component-7bb8b95d7b-lvwk9 Total loading time: 0 Render date: 2024-10-01T22:13:09.212Z Has data issue: false hasContentIssue false

Grain boundary grooving by surface diffusion in SrTiO3 bicrystal

Published online by Cambridge University Press:  31 January 2011

Minxian Jin
Affiliation:
Kanagawa Institute of Technology, Atsugi, Kanagawa, 243-0292, Japan
Eriko Shimada
Affiliation:
Kanagawa Institute of Technology, Atsugi, Kanagawa, 243-0292, Japan
Yasuro Ikuma
Affiliation:
Kanagawa Institute of Technology, Atsugi, Kanagawa, 243-0292, Japan
Get access

Abstract

High-purity SrTiO3 bicrystal sample (the angle between two [001] directions is 24°) was used in the present experiment to develop a thermal grain boundary groove along the bicrystal grain boundary at different temperatures (1150–1400 °C) and times (15–6720 min) in air. An atomic force microscope (AFM) was used to observe the surface morphological change in the annealed bicrystal sample in order to measure the width W and depth h of the developed grain boundary groove. It was found that the log W–log t (at 1150–1400 °C) and the log h°log t (at 1400 °C) relationships are approximately linear, having slopes of approximately 1/4. Using Mullins' formulas, the surface diffusion coefficients of SrTiO3 at different temperatures were calculated. Finally, the surface diffusion coefficient determined in the present experiment appears to correspond to the titanium atom, which has the lowest diffusivity in SrTiO3.

Type
Articles
Copyright
Copyright © Materials Research Society 1999

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1.Liang, Y. and Bonnell, D., J. Am. Ceram. Soc. 78 (10), 26332640 (1995).CrossRefGoogle Scholar
2.Henny, J. and Jones, J. W. S., J. Mater. Sci. 3, 158164 (1968).CrossRefGoogle Scholar
3.Ikuma, Y. and Taku, S., J. Mater. Syn. Proc. 6 (4), 267270 (1998).Google Scholar
4.Fusamae, H., Shin, W., Seon, W., and Koumoto, K., Ceram. Trans. 71, 463471 (1997).Google Scholar
5.Mullins, W.W., Trans. Metal. Soc. AIME 218, 354361 (1960).Google Scholar
6.Mullins, W.W., J. Appl. Phys. 28 (3), 333339 (1957).CrossRefGoogle Scholar
7.Mackrodt, W.C., Phys. Chem. Miner. 15, 228237 (1988).CrossRefGoogle Scholar
8.Sakaguchi, I. and Haneda, H., J. Solid State Chem. 124, 195197 (1996).CrossRefGoogle Scholar
9.Yamaji, A., J. Am. Ceram. Soc. 58, 152153 (1975).CrossRefGoogle Scholar
10.Turlier, P., Bussiere, P., and Prettre, M., C. R. Acad. Sci. 250, 16491650 (1966).Google Scholar
11.Paladino, A.E., Rubin, L.G., and Waugh, J. S., J. Phys. Chem. Solids 26, 391397 (1965).CrossRefGoogle Scholar
12.Haneda, H., Matsuda, S., and Shirasaki, S., J. Ceram. Soc. Jpn. 96 (3), 330335 (1988).CrossRefGoogle Scholar
13.Rhodes, W.H. and Kingery, W.D., J. Am. Ceram. Soc. 49 (10), 521528 (1996).CrossRefGoogle Scholar
14.Van Gool, W. and Piken, A. G., J. Mater. Sci. 4, 95104 (1969).CrossRefGoogle Scholar
15.Yoshimura, M., Nakamura, T., and Sata, T., Bull. Tokyo Inst. Technol. 120, 1326 (1974).Google Scholar
16.Kawamura, K., Saiki, A., Maruyama, T., and Nagata, K., J. Electrochem. Soc. 142 (9), 30733077 (1995).CrossRefGoogle Scholar
17.Kajiyoshi, K., Tomono, K., Hamaji, Y., and Kasanami, T., J. Am. Ceram. Soc. 78 (6), 15211531 (1995).CrossRefGoogle Scholar