Copper nanoparticles embedded in a polyimide film for non-volatile memory applications
The charge storage and retention characteristics of a nanoparticle-laden thin polyimide film were investigated for application in non-volatile memory devices. Well-dispersed and uniform sized metallic copper nanoparticles (CuNPs) were formed as embedded entities within the confines of polyimide film...
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sg-ntu-dr.10356-965702020-06-01T10:01:44Z Copper nanoparticles embedded in a polyimide film for non-volatile memory applications Gupta, Raju Kumar Kusuma, Damar Yoga Lee, P. S. Srinivasan, M. P. School of Materials Science & Engineering DRNTU::Engineering::Materials The charge storage and retention characteristics of a nanoparticle-laden thin polyimide film were investigated for application in non-volatile memory devices. Well-dispersed and uniform sized metallic copper nanoparticles (CuNPs) were formed as embedded entities within the confines of polyimide film that was cast from solution. The nanoparticle-containing films were characterized by X-ray photoelectron spectroscopy, atomic force and scanning electron microscopies. Capacitance–voltage measurements showed that the embedded CuNPs functioned as a floating gate in metal–insulator–semiconductor-type capacitor and exhibited a large hysteresis window of 1.52 V. C–t measurements conducted after applying a charging bias of 5 V showed that the charge was retained beyond 20,000 s. The technique holds promise for developing low-cost processes for memory devices that employ relatively inexpensive materials, and yet demonstrate very good performance. 2013-11-05T05:46:40Z 2019-12-06T19:32:39Z 2013-11-05T05:46:40Z 2019-12-06T19:32:39Z 2011 2011 Journal Article Gupta, R. K., Kusuma, D. Y., Lee, P. S., & Srinivasan, M. P. (2011). Copper nanoparticles embedded in a polyimide film for non-volatile memory applications. Materials letters, 68, 287-289. 0167-577X https://hdl.handle.net/10356/96570 http://hdl.handle.net/10220/17270 10.1016/j.matlet.2011.10.099 en Materials letters |
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DRNTU::Engineering::Materials Gupta, Raju Kumar Kusuma, Damar Yoga Lee, P. S. Srinivasan, M. P. Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
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The charge storage and retention characteristics of a nanoparticle-laden thin polyimide film were investigated for application in non-volatile memory devices. Well-dispersed and uniform sized metallic copper nanoparticles (CuNPs) were formed as embedded entities within the confines of polyimide film that was cast from solution. The nanoparticle-containing films were characterized by X-ray photoelectron spectroscopy, atomic force and scanning electron microscopies. Capacitance–voltage measurements showed that the embedded CuNPs functioned as a floating gate in metal–insulator–semiconductor-type capacitor and exhibited a large hysteresis window of 1.52 V. C–t measurements conducted after applying a charging bias of 5 V showed that the charge was retained beyond 20,000 s. The technique holds promise for developing low-cost processes for memory devices that employ relatively inexpensive materials, and yet demonstrate very good performance. |
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School of Materials Science & Engineering |
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School of Materials Science & Engineering Gupta, Raju Kumar Kusuma, Damar Yoga Lee, P. S. Srinivasan, M. P. |
format |
Article |
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Gupta, Raju Kumar Kusuma, Damar Yoga Lee, P. S. Srinivasan, M. P. |
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Gupta, Raju Kumar |
title |
Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
title_short |
Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
title_full |
Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
title_fullStr |
Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
title_full_unstemmed |
Copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
title_sort |
copper nanoparticles embedded in a polyimide film for non-volatile memory applications |
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2013 |
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https://hdl.handle.net/10356/96570 http://hdl.handle.net/10220/17270 |
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1681059632705961984 |