Fabrication and Characteristic Investigation of Multifunctional Oxide p-n Heterojunctions

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A series of all-perovskite oxide p-n heterojunctions (PNHs) as well as perovskite oxide and Si PNHs have been fabricated by a laser molecular-beam epitaxy. The good nonlinear and rectifying I-V characteristics in the PNHs, unusual and high sensitivity of positive magnetoresistance in low magnetic field in SrNbxTi1-xO3/La1-ySryMnO3 and La1-xSrxMnO3/Si PNHs, ps orders ultrafast photoelectric effect in La1-xSrxMnO3/Si PNHs, as well as ferroelectric property due to the interface enhancement in BaNb0.3Ti0.7O3/Si PNHs have been observed. It is expected that the further investigation on the PNHs could not only stimulate theoretical study on the mechanisms but also would open up new possibilities in the development and application of electrical devices.

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Periodical:

Edited by:

P. VINCENZINI

Pages:

2582-2587

DOI:

10.4028/www.scientific.net/AST.45.2582

Citation:

H. B. Lu et al., "Fabrication and Characteristic Investigation of Multifunctional Oxide p-n Heterojunctions", Advances in Science and Technology, Vol. 45, pp. 2582-2587, 2006

Online since:

October 2006

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$35.00

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