期刊
APPLIED PHYSICS LETTERS
卷 95, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3191674
关键词
ferroelectric storage; ferroelectric switching; manganese compounds; MIM structures; platinum; random-access storage; titanium; vacancies (crystal); X-ray photoelectron spectra
资金
- Korea Ministry of Commerce, Industry and Energy
- KIST Future Resource Program [2E21093]
This study examined the electrical properties of Ti/MnO2/Pt devices with stable and reproducible bipolar resistive switching behavior. The dependency of the memory behavior on the cell area and operating temperature suggest that the conducting mechanism in the low resistance states is due to the locally conducting filaments formed. X-ray photoelectron spectroscopy showed that nonlattice oxygen ions form at the MnO2 surface. The mechanism of resistance switching in the system examined involves the generation and recovery of oxygen vacancies with the nonlattice oxygen ions.
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