| 학회 |
한국고분자학회 |
| 학술대회 |
2009년 가을 (10/08 ~ 10/09, 광주과학기술원 오룡관) |
| 권호 |
34권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Polyimide Bearing Diphenylaminobenzylidenylimine Moieties which Exhibit Unipolar and Bipolar Bistable Characteristics |
| 초록 |
This study reports the synthesis and properties(in particular, the electrical switching characteristics) of a new high-performance polyimide(PI), poly(3,3′-di(4-(diphenylamino)benzylidenyliminoethoxy)-4,4′-biphenylenehexafluoroisopropylidenediphthalimide)(6F-HAB-TPAIE PI). This PI polymer bears diphenylaminobenzylidenylimine moieties as side groups and is dimensionally stable up to 280°C and thermally stable up to 440°C. In devices fabricated with the PI polymer as an active memory layer, the active PI polymer was found to operate at less than ±2V in electrically bistable unipolar and bipolar switching modes by controlling the compliance current. The PI polymer layer exhibits repeatable writing-reading-erasing capability with high reliability in ambient air conditions as well as at high temperatures up to 130°C. This PI polymer also exhibits a high ON/OFF current ratio up to 109. The observed nonvolatile memory behaviors are due to Schottky emission and local filament formation. |
| 저자 |
김경태, 박삼대, 이택준, 김동민, 김진철, 권원상, 고용기, 정정운, 노예철, 안병철, 진상우, 김미희, 김가희, 이문호
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| 소속 |
포항공과대 |
| 키워드 |
Polyimide; nanoscale thin film; nonvolatile polymer memory; programmable write-read-erase memory; unipolar switching mode; bipolar switching mode; ON/OFF current ratio; retention time; high temperature stability; Schottky emission mechanism; local filamen
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| E-Mail |
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