Photoexcitation and transport characteristics in doped manganite thin films

Jianhua Hao; Guogeng He; Dexing Lu; Hong Kuen Wong

doi:10.1016/S0167-577X(00)00175-0

Photoexcitation and transport characteristics in doped manganite thin films

Jianhua Hao, Guogeng He, Dexing Lu, Hong Kuen Wong

Research output: Journal article publication › Journal article › Academic research › peer-review

6 Citations (Scopus)

Abstract

The photoinduced change of the transport characteristic in (La,Ca)MnOδthin films was observed under illumination with visible light. The transition temperature Tcin oxygen deficient thin films increases with increasing light intensity. The photoinduced effect in fully oxidized thin films is in sharp contrast to that observed in the oxygen deficient samples. This effect relaxes back within several days at room temperature. We suggest that a novel photodoping effect may exist in doped manganites.

Original language	English
Pages (from-to)	225-228
Number of pages	4
Journal	Materials Letters
Volume	46
Issue number	4
DOIs	https://doi.org/10.1016/S0167-577X(00)00175-0
Publication status	Published - 1 Jan 2000
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/S0167-577X(00)00175-0

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abstract = "The photoinduced change of the transport characteristic in (La,Ca)MnOδthin films was observed under illumination with visible light. The transition temperature Tcin oxygen deficient thin films increases with increasing light intensity. The photoinduced effect in fully oxidized thin films is in sharp contrast to that observed in the oxygen deficient samples. This effect relaxes back within several days at room temperature. We suggest that a novel photodoping effect may exist in doped manganites.",

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AU - Hao, Jianhua

AU - He, Guogeng

AU - Lu, Dexing

AU - Wong, Hong Kuen

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N2 - The photoinduced change of the transport characteristic in (La,Ca)MnOδthin films was observed under illumination with visible light. The transition temperature Tcin oxygen deficient thin films increases with increasing light intensity. The photoinduced effect in fully oxidized thin films is in sharp contrast to that observed in the oxygen deficient samples. This effect relaxes back within several days at room temperature. We suggest that a novel photodoping effect may exist in doped manganites.

AB - The photoinduced change of the transport characteristic in (La,Ca)MnOδthin films was observed under illumination with visible light. The transition temperature Tcin oxygen deficient thin films increases with increasing light intensity. The photoinduced effect in fully oxidized thin films is in sharp contrast to that observed in the oxygen deficient samples. This effect relaxes back within several days at room temperature. We suggest that a novel photodoping effect may exist in doped manganites.

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Photoexcitation and transport characteristics in doped manganite thin films

Abstract

ASJC Scopus subject areas

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