Abstract
Epitaxial SrRuO3 thin films were grown on both (100) and (111) SrTiO3 substrates with atomically flat surfaces that are required to grow high-quality films of materials under debate. The following notable differences were observed in the (111)-oriented SrRuO3 films: (1) slightly different growth mode, (2) approximately 10 K higher ferromagnetic transition temperature, and (3) better conducting behavior with higher relative resistivity ratio, than (100)c-oriented SrRuO3 films. Together with the reported results on SrRuO3 thin films grown on (110) SrTiO3 substrate, the different physical properties were discussed newly in terms of the Ru-Ru nearest neighbor distance instead of the famous tolerance factor.
| Original language | English |
|---|---|
| Article number | 8 |
| Pages (from-to) | 1-9 |
| Number of pages | 9 |
| Journal | Nanoscale Research Letters |
| Volume | 9 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2014 |
Bibliographical note
Funding Information:The authors thank C. B. Eom, H. N. Lee, and S. S. A. Seo for the critical reading of the manuscript. This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012R1A1A2008595 and 2012R1A1A2008845) and by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (NRF-2013-0031010).
Keywords
- Ferromagnetic transition temperature
- Ru-ru nearest neighbor distance
- Srruo3
- Tolerance factor