期刊
NANOTECHNOLOGY
卷 28, 期 20, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aa6763
关键词
non-volatile memory; flexible inorganic electronics; graphene; GaN; NiO
资金
- Global Research Laboratory Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [2015K1A1A2033332]
- NRF grant - South Korean government (MSIP) [2013R1A3A2042120]
We report flexible resistive random access memory (ReRAM) arrays fabricated by using NiOx/GaN microdisk arrays on graphene films. The ReRAM device was created from discrete GaN microdisk arrays grown on graphene films produced by chemical vapor deposition, followed by deposition of NiOx thin layers and Au metal contacts. The microdisk ReRAM arrays were transferred to flexible plastic substrates by a simple lift-off technique. The electrical and memory characteristics of the ReRAM devices were investigated under bending conditions. Resistive switching characteristics, including cumulative probability, endurance, and retention, were measured. After 1000 bending repetitions, no significant change in the device characteristics was observed. The flexible ReRAM devices, constructed by using only inorganic materials, operated reliably at temperatures as high as 180 degrees C.
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