Hostname: page-component-7c8c6479df-94d59 Total loading time: 0 Render date: 2024-03-28T20:38:53.842Z Has data issue: false hasContentIssue false

High Frequency Magneto-Electrodynamics of La1-xSrxMnO3 Single Crystals

Published online by Cambridge University Press:  10 February 2011

H. Srikanth
Affiliation:
Department of Physics, Northeastern University, Boston, MA 02115
B. Revcolevschi
Affiliation:
Department of Physics, Northeastern University, Boston, MA 02115
S. Sridhar
Affiliation:
Department of Physics, Northeastern University, Boston, MA 02115
L. Pinsard
Affiliation:
Department of Physics, Northeastern University, Boston, MA 02115
A. Revcolevschi
Affiliation:
Laboratoire de Chimie des Solides, Université Paris-Sud, 91405 Orsay Cedex, France
Get access

Abstract

The radio frequency (RF) response of La1-xSrxMnO3 single crystals reveal a variety of features associated with the structural, electronic and magnetic properties of the system. The resonance technique operating at ∼ 4 MHz employed in this study is sensitive to small changes in both the magnetic susceptibility and resistivity of the samples. Very sharp changes in frequency are observed at the ferromagnetic (FM) and structural phase transitions in both the metallic (x = 0.175) and insulating (0.125) crystals studied.

In addition to the known transitions identified as FM and orthorhombic distortions, our experiments show rich structures which are not observed in conventional DC magnetization and transport experiments. Our results demonstrate that RF experiments are ideally suited to investigate the complex phase diagram in the manganites.

The colossal frequency change that we observe at the FM transition in the La1-xSrxMnO3 crystals is indicative of the enormous potential for using these materials in high frequency switching applications.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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. von Helmolt, R., Wecker, J., Holzapfel, B., Schultz, L. and Samwer, K., Phys. Rev. Lett. 71, 2331 (1993).Google Scholar
2. Jin, S., Tiefel, T. H., McCormack, M., Fastnacht, R. A., Ramesh, R. and Chen, L. H., Science 264, 413(1994).Google Scholar
3. Urushibara, A., Moritomo, Y., Arima, T., Asamitsu, A., Kido, G. and Tokura, Y., Phys. Rev. B 51, 14103(1995).Google Scholar
4. Zener, C., Phys. Rev. 82, 403 (1951).Google Scholar
5. Millis, A. J., Littlewood, P. B., Shraiman, B. I., Phys. Rev. Lett. 74, 5144 (1995).Google Scholar
6. Zhao, Guo-meng, Conder, K., Keller, H. and Muller, K. A., Nature 381, 676 (1996).Google Scholar
7. Shengelaya, A., Zhao, Guo-meng, Keller, H. and Muller, K. A., Phys. Rev. Lett. 77, 5296 (1996).Google Scholar
8. Ju, H. L., Sohn, H.-C. and Krishnan, Kannan M., Phys. Rev. Lett. 79, 3230 (1997).Google Scholar
9. Asamitsu, A., Moritomo, Y., Kumai, R., Tomioka, Y. and Tokura, Y., Phys. Rev. B 54, 1716 (1996).Google Scholar
10. Anane, A., Dupas, C., Le Dang, K., Renard, J.-P, Veillet, P., de Leon Guevara, A. M., Millot, F., Pinsard, L., Revcolevschi, A. and Jansen, A. G. M., J. Mag. and Mag. Mater. 165, 377 (1997).Google Scholar
11. Anane, H.A., Dupas, C., Le Dang, C., Renard, J. P., Veillet, P., de Leon Guevara, A. M., Millot, F., Pinsard, L. and Revcolevschi, A., J. Phys.: Condens. Matter 7, 7015 (1995).Google Scholar
12. Kawano, H., Kajimoto, R., Kubota, M. and Yoshizawa, H., Phys. Rev. B 53, 2202 (1996).Google Scholar
13. Kawano, H., Kajimoto, R., Kubota, M. and Yoshizawa, H., Phys. Rev. B 53, R14709 (1996).Google Scholar
14. Pinsard, L., Rodriguez-Carvajal, J. and Revcolevschi, A., J. Alloys and Compounds (in press) (1997).Google Scholar
15. Revcolevschi, A. and Dhalenne, G., Adv. Mater. 5, 657 (1993).Google Scholar
16. Wu, D. H. and Sridhar, S., Phys. Rev. Lett. 65, 2074 (1990).Google Scholar
17. Oxx, S., Choudhury, D. P., Willemsen, Balam A., Srikanth, H., Sridhar, S., Cho, B. K. and Canfield, P. C., Physica C 264, 103 (1996).Google Scholar
18. Pinsard, L., Rodriguez-Carvajal, J., Moudden, A. H., Anane, A., Revcolevschi, A. and Dupas, C., Physica B 234–236, 856 (1997).Google Scholar
19. Yamada, Y., Hino, O., Nolido, S., Kanao, R., Inami, T. and Katano, S., Phys. Rev. Lett. 77, 904 (1996).Google Scholar
20. Zhou, J. -S., Goodenough, J. B., Asamitsu, A. and Tokura, Y., Phys. Rev. Lett. 79, 3234 (1997).Google Scholar