Epitaxial SrRuO3 thin films on (001) SrTiO3

C. L. Chen, Y. Cao, Z. J. Huang, Q. D. Jiang, Z. Zhang, Y. Y. Sun, W. N. Kang, L. M. Dezaneti, W. K. Chu, C. W. Chu

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Abstract

Highly conductive metallic oxide thin films of SrRuO3 with single crystalline quality have been grown on (001) SrTiO3 by using pulsed laser deposition. The films have a [00l] orientation with an in-plane relationship of [110]SrRuO3 // [100]SrTiO3. They have excellent metallic behavior with room temperature resistivity of ∼310 μΩ cm and a residual resistance ratio of about 7 at 4.2 K, the largest reported to date. A clear ferromagnetic transition at ∼147 K was detected by resistivity and magnetic measurements. However, the transition becomes blurred as the density-of-point defects increases in the films following a 400 keV proton irradiation with an accumulative dose up to ∼6.0×1016 ions/cm2.

Original languageEnglish
Pages (from-to)1047-1049
Number of pages3
JournalApplied Physics Letters
Volume71
Issue number8
DOIs
Publication statusPublished - 1997 Aug 25

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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