Ferromagnetism at room temperature in La0.8Ca0.2MnO3 thin films

R. Shreekala; M. Rajeswari; R. C. Srivastava; K. Ghosh; A. Goyal; V. V. Srinivasu; S. E. Lofland; S. M. Bhagat; M. Downes; R. P. Sharma; S. B. Ogale; R. L. Greene; R. Ramesh; T. Venkatesan; R. A. Rao; C. B. Eom

doi:10.1063/1.123702

Ferromagnetism at room temperature in La_0.8Ca_0.2MnO₃ thin films

R. Shreekala, M. Rajeswari, R. C. Srivastava, K. Ghosh, A. Goyal, V. V. Srinivasu, S. E. Lofland, S. M. Bhagat, M. Downes, R. P. Sharma, S. B. Ogale, R. L. Greene, R. Ramesh, T. Venkatesan, R. A. Rao, C. B. Eom

Physics

Research output: Contribution to journal › Article

40 Scopus citations

Abstract

La_0.8Ca_0.2MnO₃ thin films are investigated for anomalously high metal-insulator transition temperature T_p and ferromagnetic transition temperature T_c. At room temperature well above T_c, the ferromagnetic signals from the microwave studies suggest the presence of multiple magnetic spin systems. The T_p and T_c values are higher than of T_p and T_c for La_0.67Ca_0.33MnO₃ according to the bulk phase diagram which suggest that the properties are well beyond those seen in bulk phase diagram achievable in manganite thin films.

Original language	English (US)
Pages (from-to)	1886-1888
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	13
DOIs	https://doi.org/10.1063/1.123702
State	Published - Mar 29 1999

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.123702

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Shreekala, R., Rajeswari, M., Srivastava, R. C., Ghosh, K., Goyal, A., Srinivasu, V. V., Lofland, S. E., Bhagat, S. M., Downes, M., Sharma, R. P., Ogale, S. B., Greene, R. L., Ramesh, R., Venkatesan, T., Rao, R. A., & Eom, C. B. (1999). Ferromagnetism at room temperature in La_0.8Ca_0.2MnO₃ thin films. Applied Physics Letters, 74(13), 1886-1888. https://doi.org/10.1063/1.123702

Shreekala, R. ; Rajeswari, M. ; Srivastava, R. C. ; Ghosh, K. ; Goyal, A. ; Srinivasu, V. V. ; Lofland, S. E. ; Bhagat, S. M. ; Downes, M. ; Sharma, R. P. ; Ogale, S. B. ; Greene, R. L. ; Ramesh, R. ; Venkatesan, T. ; Rao, R. A. ; Eom, C. B. / Ferromagnetism at room temperature in La_0.8Ca_0.2MnO₃ thin films. In: Applied Physics Letters. 1999 ; Vol. 74, No. 13. pp. 1886-1888.

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abstract = "La0.8Ca0.2MnO3 thin films are investigated for anomalously high metal-insulator transition temperature Tp and ferromagnetic transition temperature Tc. At room temperature well above Tc, the ferromagnetic signals from the microwave studies suggest the presence of multiple magnetic spin systems. The Tp and Tc values are higher than of Tp and Tc for La0.67Ca0.33MnO3 according to the bulk phase diagram which suggest that the properties are well beyond those seen in bulk phase diagram achievable in manganite thin films.",

author = "R. Shreekala and M. Rajeswari and Srivastava, {R. C.} and K. Ghosh and A. Goyal and Srinivasu, {V. V.} and Lofland, {S. E.} and Bhagat, {S. M.} and M. Downes and Sharma, {R. P.} and Ogale, {S. B.} and Greene, {R. L.} and R. Ramesh and T. Venkatesan and Rao, {R. A.} and Eom, {C. B.}",

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Ferromagnetism at room temperature in La_0.8Ca_0.2MnO₃ thin films. / Shreekala, R.; Rajeswari, M.; Srivastava, R. C.; Ghosh, K.; Goyal, A.; Srinivasu, V. V.; Lofland, S. E.; Bhagat, S. M.; Downes, M.; Sharma, R. P.; Ogale, S. B.; Greene, R. L.; Ramesh, R.; Venkatesan, T.; Rao, R. A.; Eom, C. B.

In: Applied Physics Letters, Vol. 74, No. 13, 29.03.1999, p. 1886-1888.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Ferromagnetism at room temperature in La0.8Ca0.2MnO3 thin films

AU - Shreekala, R.

AU - Rajeswari, M.

AU - Srivastava, R. C.

AU - Ghosh, K.

AU - Goyal, A.

AU - Srinivasu, V. V.

AU - Lofland, S. E.

AU - Bhagat, S. M.

AU - Downes, M.

AU - Sharma, R. P.

AU - Ogale, S. B.

AU - Greene, R. L.

AU - Ramesh, R.

AU - Venkatesan, T.

AU - Rao, R. A.

AU - Eom, C. B.

PY - 1999/3/29

Y1 - 1999/3/29

N2 - La0.8Ca0.2MnO3 thin films are investigated for anomalously high metal-insulator transition temperature Tp and ferromagnetic transition temperature Tc. At room temperature well above Tc, the ferromagnetic signals from the microwave studies suggest the presence of multiple magnetic spin systems. The Tp and Tc values are higher than of Tp and Tc for La0.67Ca0.33MnO3 according to the bulk phase diagram which suggest that the properties are well beyond those seen in bulk phase diagram achievable in manganite thin films.

AB - La0.8Ca0.2MnO3 thin films are investigated for anomalously high metal-insulator transition temperature Tp and ferromagnetic transition temperature Tc. At room temperature well above Tc, the ferromagnetic signals from the microwave studies suggest the presence of multiple magnetic spin systems. The Tp and Tc values are higher than of Tp and Tc for La0.67Ca0.33MnO3 according to the bulk phase diagram which suggest that the properties are well beyond those seen in bulk phase diagram achievable in manganite thin films.

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