Modulation of resistance switching in Au/Nb: SrTiO3 Schottky junctions by ambient oxygen
R Buzio, A Gerbi, A Gadaleta, L Anghinolfi… - Applied Physics …, 2012 - pubs.aip.org
We investigated the room-temperature current-voltage characteristics of Au/Nb: SrTiO 3
Schottky junctions under various atmospheres and working pressures. We observed that
oxygen partial pressure reversibly modulates junction response, briefly individual
specimens behave as high-quality rectifiers in oxygen-rich atmospheres and as bipolar
resistive switches in vacuum and inert gases. A two orders of magnitude modulation of
resistance switching characterizes samples with the highest content of interfacial oxygen …
Schottky junctions under various atmospheres and working pressures. We observed that
oxygen partial pressure reversibly modulates junction response, briefly individual
specimens behave as high-quality rectifiers in oxygen-rich atmospheres and as bipolar
resistive switches in vacuum and inert gases. A two orders of magnitude modulation of
resistance switching characterizes samples with the highest content of interfacial oxygen …
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