Broadband dielectric spectroscopy of Ruddlesden-Popper Srn+1 Tin O3n+1 (n=1,2,3) thin films

N. D. Orloff, W. Tian, C. J. Fennie, C. H. Lee, D. Gu, J. Mateu, X. X. Xi, Karin Rabe, D. G. Schlom, I. Takeuchi, J. C. Booth

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We explore the frequency-dependent relative permittivity of Ruddlesden-Popper series Srn+1 Tin O3n+1 (n=1,2,3) thin films as a function of temperature and dc electric field. Interdigitated capacitors and coplanar waveguides were used to extract the frequency response from 500 Hz to 40 GHz. At room temperature, the in-plane relative permittivities (11) obtained for Srn+1 Tin O3n+1 (n=1,2,3) were 42±3, 54±3, and 77±2, respectively, and were independent of frequency. At low temperatures, 11 increases and electric field tunability develops in Sr4 Ti3 O10.

Original languageEnglish (US)
Article number042908
JournalApplied Physics Letters
Issue number4
StatePublished - Feb 9 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Orloff, N. D., Tian, W., Fennie, C. J., Lee, C. H., Gu, D., Mateu, J., Xi, X. X., Rabe, K., Schlom, D. G., Takeuchi, I., & Booth, J. C. (2009). Broadband dielectric spectroscopy of Ruddlesden-Popper Srn+1 Tin O3n+1 (n=1,2,3) thin films. Applied Physics Letters, 94(4), [042908].