Hostname: page-component-586b7cd67f-2brh9 Total loading time: 0 Render date: 2024-11-29T06:54:29.162Z Has data issue: false hasContentIssue false

Memory Effects In Manganese Perovskites

Published online by Cambridge University Press:  01 February 2011

N. Noginova
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA23504
G. Chelule
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA23504
G. B. Loutts
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA23504
Get access

Abstract

Manganese doped perovskites are promising materials for non-magnetic data storage. Systems with low doping concentration, such as Mn:YAlO3 are high-quality optical crystals, demonstrating significant photorefractive effect. Optically and electrically induced quasi-permanent change in low-field conductivity was observed in the materials with high concentration of manganese such as single crystals and films of LaGa1−xMnxO3 (x= 0.1–1). These memory effects can last for a long time at room temperature and can be easily erased by heating up to 230 C. We explain our experimental results by photoinduced or thermoinduced local phase transition with the oxidation of Mn ions.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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. Loutts, G. B., Warren, M., Taylor, L., Rakhimov, R. R., Ries, H. R., Miller III, G., Noginov, M. A., Curley, M., Noginova, N., Kukhtarev, N., Caulfield, J. C., Venkateswarlu, P., Phys. Rev. B, 57, pp. 37063709 (1998).Google Scholar
2. Noginov, M. A., Noginova, N., Curley, M., Kukhtarev, N., Caulfield, H. J., Venkateswarlu, P., Loutts, G. B. J. Opt. Soc. Am. B, 15, pp. 14631468 (1998).Google Scholar
3. Noginova, N., Lindsay, W., Noginov, M. A., Loutts, G. B., Mattix, L., JOSA B, 16, pp. 754756 (1999).Google Scholar
4. Noginov, M. A., Loutts, G. B., Noginova, N., Hurling, S., Kück, S., Phys. Rev. B, 61, pp. 18841891 (2000).Google Scholar
5. Noginov, M. A., Loutts, G. B., Helzer, S. W., Booker, A., Lucas, B., Fider, D., Macfarlane, R. M., Shelby, R. M., Applied Optics-IP, 40, pp. 39153921 (2001).Google Scholar
6. Noginov, M. A., Loutts, G. B., Ross, K., Grandy, T., Noginova, N., Lucas, B. D., Mapp, T., J. Opt. Soc. Am. B, 18, pp. 931941 (2001).Google Scholar
7. Goodenough, J. B., Wold, A., Arnott, R. J., Menyuk, N., Phys. Rev. 124, 373 (1961)Google Scholar
8. Stevenson, J. W., Nasrallah, M. M., Anderson, H. U., and Sparlin, D. M., J. of Solid St. Chem. 102, p. 175 (1993).Google Scholar
9. Noginova, N., Loutts, G. B., Gillman, E. S., Atsarkin, V. A., Verevkin, A. A., Phys. Rev. B 63, 174414 (2001)Google Scholar
10. Sacanell, J., Quintero, M., Curiale, J., Garbarino, G., Acha, C., Freitas, R.S., Ghivelder, L., Polla, G., Leyv, G., Levi, P., Parisi, F.. Journal of Alloys and Compounds (2003) to be publishedGoogle Scholar