Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2006-01-19
Applied Physics Letters, 89 (2006) 063507
Physics
Condensed Matter
Strongly Correlated Electrons
11 pages, 3 figures
Scientific paper
10.1063/1.2236213
We report the direct observation of the electric pulse induced resistance-change (EPIR) effect at the nano scale on La1-xSrxMnO3 (LSMO) thin films by the current measurement AFM technique. After a switching voltage of one polarity is applied across the sample by the AFM tip, the conductivity in a local nanometer region around the AFM tip is increased, and after a switching voltage of the opposite polarity is applied, the local conductivity is reduced. This reversible resistance switching effect is observed under both continuous and short pulse voltage switching conditions. It is important for future nanoscale non-volatile memory device applications.
Chen Xin
Ignatiev Alex
Strozier John
Wu Naijuan
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