Temperature-dependent electron transport in highly ordered Co/Al2O3 core-shell nanocrystal memory synthesized with di-block co-polymers

Zhou Huimei; Dorman James A.; Perng Ya-Chuan; Chang Jane P.; Liu Jianlin

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Temperature-dependent electron transport in highly ordered Co/Al2O3 core-shell nanocrystal memory synthesized with di-block co-polymers

机译：用二嵌段共聚物合成的高序Co / Al2O3核壳纳米晶体存储器中的温度依赖性电子传输

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Di-block copolymer synthesized Co/Al2O3 core-shell nanocrystal (NC) capacitors were fabricated in order to study the temperature-dependent electron transport. The capacitance-voltage memory window is shown to increase proportionally with the substrate temperature, saturating at 3.5 V, at 175 °C. At elevated operating temperatures, the tunneling of electrons increases, resulting in large flatband voltage shift. Furthermore, the electron leakage of the NCs at high temperature is faster than the leakage at room temperature due to thermally assisted tunneling. The activation energy is determined by exponentially fitting the thermally dependent retention performance, which was then used to model the occupied energy levels and further elucidate the electron transport within the NC memory.

机译：为了研究温度依赖性电子传输，制备了二嵌段共聚物合成的Co / Al2O3核壳纳米晶电容器。电容电压存储窗口显示为与衬底温度成比例地增加，在175°C时，饱和电压为3.5V。在较高的工作温度下，电子的隧穿会增加，从而导致较大的平带电压漂移。此外，由于热辅助隧穿，在高温下NC的电子泄漏比在室温下的电子泄漏快。激活能量是通过指数拟合热依赖性保持性能确定的，然后将其用于模拟占用的能级并进一步阐明NC存储器内的电子传输。

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来源
《Journal of Applied Physics》 |2012年第6期|p.1-4|共4页
作者
Zhou Huimei; Dorman James A.; Perng Ya-Chuan; Chang Jane P.; Liu Jianlin;
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作者单位

Department of Electrical Engineering, University of California, Riverside, California 92521, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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1. Temperature-dependent electron transport in highly ordered Co/Al_2O_3 core-shell nanocrystal memory synthesized with di-block co-polymers [J] . Huimei Zhou, James A. Dorman, Ya-Chuan Perng, Journal of Applied Physics . 2012,第6期

机译：二嵌段共聚物合成的高序Co / Al_2O_3核壳纳米晶体存储器中温度依赖的电子传输
2. Highly efficient perovskite solar cells based on a nanostructured WO3-TiO2 core-shell electron transporting material [J] . Khalid Mahmood, Bhabani S. Swain, Ahmad R. Kirmani Journal of Materials Chemistry, A. Materials for energy and sustainability . 2015,第17期

机译：基于纳米结构WO3-TiO2核心壳电子传输材料的高效钙钛矿太阳能电池
3. Silicon nanocrystals synthesized by electron-beam co-evaporation method and their application for nonvolatile memory [J] . Chen Chen, Rui Jia, Ming Liu, Thin Solid Films . 2009,第24期

机译：电子束共蒸发法合成硅纳米晶及其在非易失性存储器中的应用
4. Silicon Nanocrystals Synthesized by Electron-beam Co-evaporation Method and Their Application for Nonvolatile Memory [C] . Chen Chen, Tian Chun Ye, Rui Jia, ISTC/CSTIC 2009 (CISTC) . 2009

机译：电子束共蒸发法合成硅纳米晶及其在非易失性存储器中的应用
5. Electron Transport in Silicon Nanocrystal Devices: From Memory Applications to Silicon Photonics. [D] . Miller, Gerald M. 2012

机译：硅纳米晶体器件中的电子传输：从存储应用到硅光子学。
6. Gadolinium oxide nanocrystal nonvolatile memory with HfO2/Al2O3 nanostructure tunneling layers [O] . Jer-Chyi Wang, Chih-Ting Lin, Chia-Hsin Chen 2012

机译：具有HfO2 / Al2O3纳米结构隧穿层的氧化Ga纳米晶体非易失性存储器
7. Electrically programmable-erasable In-Ga-Zn-O thin-film transistor memory with atomic-layer-deposited Al2O3/Pt nanocrystals/Al2O3 gate stack [O] . Shi-Bing Qian, Wen-Peng Zhang, Wen-Jun Liu, 2015

机译：具有原子层沉积al2O3 / pt纳米晶/ al2O3栅堆叠的电可编程可擦除In-Ga-Zn-O薄膜晶体管存储器

Temperature-dependent electron transport in highly ordered Co/Al2O3 core-shell nanocrystal memory synthesized with di-block co-polymers

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