Tailoring Photovoltage Response at SrRuO sub(3)/SrTiO sub(3) Heterostructures

Tailoring Photovoltage Response at SrRuO sub(3)/SrTiO sub(3) Heterostructures

The photovoltage and lifetime of the photo-excited carriers at the SrTiO sub(3) surface drastically change with the SrRuO sub(3) overlayers, as element specifically tracked by time-resolved core-level photoemission spectroscopy. The results show that the optical responses of oxide semiconductor hete...

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Veröffentlicht in:Advanced materials interfaces 2016-11, Vol.3 (22), p.np-np
Hauptverfasser: Yukawa, Ryu, Yamamoto, Susumu, Akikubo, Kazuma, Takeuchi, Kaori, Ozawa, Kenichi, Kumigashira, Hiroshi, Matsuda, Iwao
Format: Artikel
Sprache:eng
Schlagworte:
Carriers
Film growth
Heterostructures
Oxides
Photovoltages
Semiconductors
Strontium titanates
Tracking
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Zusammenfassung:The photovoltage and lifetime of the photo-excited carriers at the SrTiO sub(3) surface drastically change with the SrRuO sub(3) overlayers, as element specifically tracked by time-resolved core-level photoemission spectroscopy. The results show that the optical responses of oxide semiconductor heterostructures are designed by the band alignment scheme and they are tailored by the film growth.
ISSN:2196-7350
2196-7350
DOI:10.1002/admi.201600527