Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-02-20
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
This paper has been withdrawn by the author due to some typing errors
Scientific paper
Low temperature growth Pr0.7Ca0.3MnO3 (PCMO) thin film showed high performance in electric field induced resistance switching (RS). To understand the micro-mechanism of RS in Metal/PCMO/Metal devices, structure evolution of PCMO under external electric field monitored inside transmission electron microscope (TEM) were performed. Evolution of the modulation stripe in as-grown PCMO sample was investigated when applying electric field. The new-generated modulation stripe gradually disappeared. These results indicate that oxygen ion migration plays a key role in RS.
Bai Xuedong
Chen Dongmin
Gao Peng
Liao Zhaoliang
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