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

Research output: Contribution to journal › Article

40 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)1886-1888
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number13
DOIs
StatePublished - Mar 29 1999

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ferromagnetism
transition temperature
phase diagrams
room temperature
thin films
insulators
microwaves
metals

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Shreekala, R., Rajeswari, M., Srivastava, R. C., Ghosh, K., Goyal, A., Srinivasu, V. V., ... Eom, C. B. (1999). Ferromagnetism at room temperature in La0.8Ca0.2MnO3 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 La0.8Ca0.2MnO3 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.",
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Shreekala, R, Rajeswari, M, Srivastava, RC, Ghosh, K, Goyal, A, Srinivasu, VV, Lofland, SE, Bhagat, SM, Downes, M, Sharma, RP, Ogale, SB, Greene, RL, Ramesh, R, Venkatesan, T, Rao, RA & Eom, CB 1999, 'Ferromagnetism at room temperature in La0.8Ca0.2MnO3 thin films', Applied Physics Letters, vol. 74, no. 13, pp. 1886-1888. https://doi.org/10.1063/1.123702

Ferromagnetism at room temperature in La0.8Ca0.2MnO3 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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Shreekala R, Rajeswari M, Srivastava RC, Ghosh K, Goyal A, Srinivasu VV et al. Ferromagnetism at room temperature in La0.8Ca0.2MnO3 thin films. Applied Physics Letters. 1999 Mar 29;74(13):1886-1888. https://doi.org/10.1063/1.123702

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