Supported by the National Natural Science Foundation of China and the National Basic Research Program of China
Photovoltaic response in the heterojunction of La1-x SrxMnO3/SrNby Ti1-yO3 (LSMO/SNTO) is analyzed theoretically based on the drift-diffusion model. It is found that the decrease of acceptor concentration in the La1...
Project Supported by the National Natural Science Foundation of China (Grant No 10334070) and by the National Key Basic Research & Development Programme of China (Grant No 2004CB619004).
Good rectifying current-voltage characteristics and nanosecond photoelectric effects are observed in the p-n hereto junctions of La0.9Sr0.1 MnO3/SrNb0.01 Ti0.99O3 fabricated by laser molecular beam epitaxy. The rise t...
Supported by the National Natural Science Foundation of China under Grant Nos G50225209 and G50271023, the Key Foundation of Education Ministry of China under Grant G02017 and the Natural Science Foundation of Hebei Province under Grant No G503031.
Infrared absorption spectra of La0.67-xPrxCa0.33MnO3 (x= 0, 0.18 and 0.36) are experimentally studied in the temperature range 20 -300K. Absorption peak splitting corresponding to the stretching oscillation of the M...
Supported by the National Natural Science Foundation of China under Grant No 10374041, the Program for New Century Excellent Talents in Universities from the Ministry of Education of China under Grant No NECT-04-0456.
Thermal diffusivity has been investigated in a manganite thin film La0.6Sr0.4MnO3 by means of transient grating (TG) technique at room temperature. A new method, which is generalized to two-layered samples of the th...
Supported by the National Natural Science Foundation of China under Grant No 10374041, the Program for New Century Excellent Talents in Universities from the Ministry of Education of China under Grant No NECT-04-0456.
We investigate the photoinduced resistance change (ΔR/R) in a La0.6Sr0.4MnO3 film (Tc~325 K) at different applied dc currents I (0.1-2.0mA) at 295K. At I = 0.1 mA, we have found a significant photoinduced ΔR/...