Orloff, N.
, Takeuchi, I.
, Booth, J.
, Gu, D.
, Mateu, J.
, Fennie, C.
, Rabe, K.
, Tian, W.
and Schlom, D.
(2009),
Broadband Dielectric Spectroscopy of Ruddlesden-Popper Sr(n+1)Ti(n)O(3n+1) (n= 1, 2, 3) Thin Films, Applied Physics Letters, [online], https://doi.org/10.1063/1.3046792
(Accessed July 4, 2024)
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Broadband Dielectric Spectroscopy of Ruddlesden-Popper Sr(n+1)Ti(n)O(3n+1) (n= 1, 2, 3) Thin Films
Published
Author(s)
, Ichiro Takeuchi, , , Jordi Mateu, C. J. Fennie, K. M. Rabe, W Tian, D.G. Schlom
Abstract
We explore the frequency dependent permittivity of Ruddlesden-Popper series Sr(n+1)Ti(n)O(3n+1) (n= 1, 2, 3) thin films as a function of temperature and dc electric-field. Interdigitated capacitors and coplanar waveguides are used to extract the frequency response from 500 Hz to 40 GHz. At room temperature, the permittivities obtained for Sr(n+1)Ti(n)O(3n+1) (n= 1, 2, 3) were 42+/-3, 54+/-3, and 77+/-2, respectively and were independent of frequency. At low temperatures the dielectric constant increases, and electric field tunability develops in Sr(4)Ti(3)O(10) . Loss tangent for the series members (n=1, 2, 3) were below our measurement sensitivity, but are less than 4% (0.04).Citation
Applied Physics Letters
Volume
94
Issue
4
Pub Type
Journals
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Created January 29, 2009, Updated November 10, 2018