RUI: Collaborative Research: Structural and Compositional Modification of Memristive Niobium Oxide Films for Neuromorphic Computing Applications

RUI:合作研究:用于神经形态计算应用的忆阻氧化铌薄膜的结构和成分改性

基本信息

  • 批准号:
    2103197
  • 负责人:
  • 金额:
    $ 19.61万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-06-01 至 2025-05-31
  • 项目状态:
    未结题

项目摘要

Non-technical abstractThe rapid and seemingly relentless improvement in electronic circuitry over the last seven decades has been driven in large part by miniaturization of the electronic components. However, adverse quantum effects at extremely small length scales present an impending limit to shrinking of these circuits, and many researchers have looked to biological systems for inspiration for further improvement. Neuromorphic, or brain-inspired, computing has the potential to enhance performance and computational speed while reducing power consumption by mimicking the biological function of neurons. The research team from the undergraduate-only physics departments at SUNY Brockport and Ithaca College, along with collaborators from the U.S. Naval Research Laboratory, are studying thin films of niobium oxide for use in neuromorphic circuits. Thin-film niobium oxide is an ideal candidate for neuromorphic circuits, as it is plentiful, inexpensive, non-toxic, and can mimic both the brain’s neuronal and synaptic behaviors. This project focuses on the growth of the thin films, incorporation of other elements (such as zinc and aluminum) in the films, post-growth thermal annealing, and fabrication into electronic circuit components. The research team is focusing their effort on correlating the various material changes (e.g., oxide composition, thickness, growth parameters) with the device’s resulting electronic behavior. Ultimately, the project’s goal is to develop niobium oxide based electronic components that can seamlessly integrate with the current state-of-the-art silicon-based electronics. Undergraduate students are integral members of the research team, and participation in this research is often attractive to members of groups underrepresented in physics. Undergraduate student members of the research team participate in all aspects of the research project during both the summer and during the academic year, and present their work at regional and national conferences. The PIs regularly present at local schools in areas with students from underrepresented groups and include information on successes, challenges, and opportunities in materials science and computer science to ignite interest in science and technology.Technical descriptionNiobium oxide is a polymorphic material that, depending on stoichiometry, has a number of interesting and potentially useful electrical and optical properties. Crystalline niobium dioxide (NbO2), in particular, displays volatile memristive behavior, and is a leading candidate for architectures that merge traditional metal-oxide-semiconductor components with brain-inspired neuromorphic circuit elements, which are generally required to have both synapse-like and neuron-like components. This project focuses on developing a better understanding of NbO2, which undergoes a volatile phase transition from high to low resistance around 800 degrees Celsius. This transition mimics the spiking electrical behavior of neurons by abruptly changing resistance once a temperature threshold is achieved. The research team – which consists of two principal investigators, with specialties of materials development and electric transport, their undergraduate research students, and collaborators from the U.S. Naval Research Laboratory – is studying both the material deposition and post-deposition treatment processes, as well as the optical and electrical behavior of the resulting films. On the materials side, the research team uses atomic layer deposition (ALD), doping, and post-growth crystallization techniques to fabricate high-quality NbO2 in a way that is fully compatible with existing semiconductor manufacturing processes. Specifically, the project examines the addition of dopants during ALD to encourage crystallization with a thermal budget compatible with low-power device operation. Following crystallization, an ultra-high vacuum system is used to thermally cycle the material through its phase transition while observing reflected and transmitted optical signals to quickly establish the effect of growth conditions or dopants on the phase transition temperature. On the device side, electrical measurements are performed to establish the effect that material preparation and properties have on key device operation parameters, such as the number of transitions that can be performed before failure, the device yield, and the switching power requirements.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术摘要过去七十年中电子电路的快速且看似持续的改进在很大程度上是由电子元件的小型化推动的。 然而,极小长度尺度上的不利量子效应对这些电路的缩小提出了迫在眉睫的限制,许多研究人员已经从生物系统中寻找进一步改进的灵感。 神经形态计算或受大脑启发的计算有潜力提高性能和计算速度,同时通过模仿神经元的生物功能来降低功耗。 来自纽约州立大学布罗克波特分校和伊萨卡学院本科生物理系的研究团队与美国海军研究实验室的合作者一起,正在研究用于神经形态电路的氧化铌薄膜。 薄膜氧化铌是神经形态电路的理想候选者,因为它含量丰富、廉价、无毒,并且可以模仿大脑的神经元和突触行为。 该项目的重点是薄膜的生长、薄膜中其他元素(如锌和铝)的掺入、生长后热退火以及电子电路元件的制造。 研究团队正集中精力将各种材料变化(例如氧化物成分、厚度、生长参数)与器件产生的电子行为联系起来。 最终,该项目的目标是开发基于氧化铌的电子元件,可以与当前最先进的硅基电子产品无缝集成。 本科生是研究团队不可或缺的成员,参与这项研究通常对物理学领域代表性不足的群体成员很有吸引力。 研究团队的本科生成员在夏季和学年期间参与研究项目的各个方面,并在地区和国家会议上展示他们的工作。 PI 定期在有来自弱势群体学生的地区的当地学校进行演讲,包括有关材料科学和计算机科学领域的成功、挑战和机遇的信息,以激发人们对科学和技术的兴趣。技术说明氧化铌是一种多晶型材料,根据化学计量,它具有许多有趣且潜在有用的电学和光学特性。尤其是结晶二氧化铌 (NbO2),它表现出不稳定的忆阻行为,是将传统金属氧化物半导体组件与受大脑启发的神经形态电路元件相结合的架构的主要候选者,这些元件通常需要具有类突触和类神经元组件。该项目的重点是更好地了解 NbO2,它在 800 摄氏度左右经历从高电阻到低电阻的挥发性相变。一旦达到温度阈值,这种转变就会通过突然改变电阻来模仿神经元的尖峰电行为。该研究团队由两名材料开发和电传输专业的主要研究人员、他们的本科生以及来自美国海军研究实验室的合作者组成,正在研究材料沉积和沉积后处理过程,以及所得薄膜的光学和电学行为。在材料方面,研究团队采用原子层沉积(ALD)、掺杂和后生长结晶技术,以与现有半导体制造工艺完全兼容的方式制造高质量的NbO2。具体来说,该项目研究了 ALD 期间添加掺杂剂的情况,以促进结晶,同时保持与低功耗器件运行兼容的热预算。 结晶后,使用超高真空系统对材料进行相变热循环,同时观察反射和透射光信号,以快速确定生长条件或掺杂剂对相变温度的影响。在设备方面,进行电气测量以确定材料制备和性能对关键设备运行参数的影响,例如故障前可以执行的转换次数、设备产量和开关功率要求。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Threshold switching stabilization of NbO2 films via nanoscale devices
  • DOI:
    10.1116/6.0002129
  • 发表时间:
    2022-12
  • 期刊:
  • 影响因子:
    0
  • 作者:
    M. C. Sullivan;Z. Robinson;K. Beckmann;Alex Powell;Ted Mburu;Katherine Pittman;N. Cady
  • 通讯作者:
    M. C. Sullivan;Z. Robinson;K. Beckmann;Alex Powell;Ted Mburu;Katherine Pittman;N. Cady
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Matthew Sullivan其他文献

The Expansion of Science Policy in the United States in Three Cases: rDNA Research, The Human Genome Project, and the National Nanotechnology Initiative
美国科学政策的扩展三个案例:rDNA 研究、人类基因组计划和国家纳米技术计划
  • DOI:
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Matthew Sullivan
  • 通讯作者:
    Matthew Sullivan
Incidence of opportunistic infections during ibrutinib treatment for B-cell malignancies
B 细胞恶性肿瘤伊布替尼治疗期间机会性感染的发生率
  • DOI:
    10.1038/s41375-019-0481-1
  • 发表时间:
    2019-05-13
  • 期刊:
  • 影响因子:
    13.400
  • 作者:
    Kerry A. Rogers;Luay Mousa;Qiuhong Zhao;Seema A. Bhat;John C. Byrd;Zeinab El Boghdadly;Tomas Guerrero;Lauren B. Levine;Fabienne Lucas;Polina Shindiapina;Audrey M. Sigmund;Matthew Sullivan;Tracy E. Wiczer;Jennifer A. Woyach;Farrukh T. Awan
  • 通讯作者:
    Farrukh T. Awan
Comparison of commercially-available metakaolins and slags in binary and ternary concrete mixtures
  • DOI:
  • 发表时间:
    2018-05
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Matthew Sullivan
  • 通讯作者:
    Matthew Sullivan
Code conversion with the quantum Golay code for a universal transversal gate set
  • DOI:
    10.1103/physreva.109.042416
  • 发表时间:
    2023-07
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Matthew Sullivan
  • 通讯作者:
    Matthew Sullivan
Planar graphs without 3-cycles and with 4-cycles far apart are 3-choosable
  • DOI:
  • 发表时间:
    2016-09
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Matthew Sullivan
  • 通讯作者:
    Matthew Sullivan

Matthew Sullivan的其他文献

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{{ truncateString('Matthew Sullivan', 18)}}的其他基金

Collaborative Research: Updating iVirus - the CyVerse-powered analytical toolkit for viruses of microbes
协作研究:更新 iVirus - CyVerse 支持的微生物病毒分析工具包
  • 批准号:
    2149505
  • 财政年份:
    2022
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Continuing Grant
Next generation informatics to elucidate viral ecology and ecosystem impacts in nature
下一代信息学阐明自然界中的病毒生态学和生态系统影响
  • 批准号:
    1759874
  • 财政年份:
    2018
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Continuing Grant
Collaborative Research: Inferring Cellular Lysis and Regeneration of Organic Matter by Marine Viruses
合作研究:推断海洋病毒对有机物的细胞裂解和再生
  • 批准号:
    1829640
  • 财政年份:
    2018
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Continuing Grant
Ecology and biogeochemical impacts of DNA and RNA viruses throughout the global oceans
DNA 和 RNA 病毒对全球海洋的生态和生物地球化学影响
  • 批准号:
    1829831
  • 财政年份:
    2018
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant
Ecological impacts and drivers of double-stranded DNA viral communities in the global oceans
全球海洋中双链 DNA 病毒群落的生态影响和驱动因素
  • 批准号:
    1536989
  • 财政年份:
    2015
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant
RUI: Fluctuations and Phase Transitions in Iron Pnictide Superconductors
RUI:铁磷族超导体中的涨落和相变
  • 批准号:
    1305637
  • 财政年份:
    2013
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant
Targeted and comparative viral community genomics of the Eastern North Pacific
北太平洋东部地区的目标和比较病毒群落基因组学
  • 批准号:
    0961947
  • 财政年份:
    2010
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant
EAGER: Viral tagging: Combining flow cytometry and genomics to explore virus-host interactions
EAGER:病毒标签:结合流式细胞术和基因组学探索病毒与宿主的相互作用
  • 批准号:
    0940390
  • 财政年份:
    2009
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant
Collaborative Research: PHANTOME: Phage ANnotation TOols and MEthods
合作研究:PHANTOME:噬菌体注释工具和方法
  • 批准号:
    0850105
  • 财政年份:
    2009
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Continuing Grant
RUI: Critical Dynamics of the Electron-Doped Cuprate Superconductors
RUI:电子掺杂铜酸盐超导体的临界动力学
  • 批准号:
    0706557
  • 财政年份:
    2007
  • 资助金额:
    $ 19.61万
  • 项目类别:
    Standard Grant

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Collaborative Research: RUI: Frontal Ablation Processes on Lake-terminating Glaciers and their Role in Glacier Change
合作研究:RUI:湖终止冰川的锋面消融过程及其在冰川变化中的作用
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    2334777
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    2024
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    $ 19.61万
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