Abstract
We have fabricated transition metal oxide (TMO) films on n-type titanium oxide substrates, and measured in-plane resistance under ultraviolet light irradiation. A dramatic decrease in the resistance and enhancement of the superconducting critical temperature are observed for VO2/TiO 2:Nb and YBa2Cu3Oz/SrTiO 3:Nb, respectively. Out-of-plane voltage measurements under light irradiation indicate hole-carrier injection from the substrate to the film in both the cases. The present photocarrier injection technique could apply to many TMOs to control the hole carrier density externally.
Original language | English |
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Pages (from-to) | 448-449 |
Number of pages | 2 |
Journal | Journal of Magnetism and Magnetic Materials |
Volume | 272-276 |
Issue number | I |
DOIs | |
Publication status | Published - May 2004 |
Externally published | Yes |
Keywords
- Heterostructurc
- Photocarrier injection
- Transition metal oxides
- VO
- YBaCuO
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics