Favorable ultraviolet photoelectric effects in TbMnO3/Nb-SrTiO3 heterostructures

Kexin Jin, Y. X. Zhai, Hui Li, Y. F. Tian, B. C. Luo, Tao Wu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The rectifying properties and ultraviolet photoelectric effects in TbMnO3/Nb-doped SrTiO3 heterostructures have been investigated. The ideality factors and the diffusion voltages obtained from the current-voltage curves nonlinearly decrease with increasing the temperature. It is observed that the maximum photovoltaic values of the heterostructure irradiated by the 365 nm (2.6 mW/mm2) and 248 nm (0.71 mJ/mm2) lights are about 0.121 V and 0.119 V at T=300 K, respectively. The relations between the relaxation of photovoltages after the irradiation and the power intensity are revealed. These results suggest the potential applications in the development of ultraviolet detectors using oxides-based heterostructures.
Original languageEnglish (US)
Pages (from-to)39-42
Number of pages4
JournalSolid State Communications
StatePublished - Dec 2014

ASJC Scopus subject areas

  • Materials Chemistry
  • Chemistry(all)
  • Condensed Matter Physics


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