University of Minnesota Materials Research Science and Engineering Center

明尼苏达大学材料研究科学与工程中心

基本信息

批准号：
2011401
负责人：
Christopher Leighton
金额：
$ 1800万
依托单位：
University of Minnesota-Twin Cities
依托单位国家：
美国
项目类别：
Cooperative Agreement
财政年份：
2020
资助国家：
美国
起止时间：
2020-09-01 至 2026-08-31
项目状态：
未结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=2011401&HistoricalAwards=false
关键词：
University Minnesota Materials Research Science

项目摘要

Non-Technical Description: This Materials Research Science and Engineering Center (MRSEC) at the University of Minnesota features two Interdisciplinary Research Groups (IRGs). The first team aims to access novel electronic and magnetic properties by direct application of strong local electric fields to promising new materials. This Quantum Leap aligned research will realize ready control over an extraordinary range of electronic phases and functions, thereby enabling new approaches to low-power magnetic data storage and processing, neuron-like computation, and nanophotonic devices such as solar cells. The second team is developing novel and systematic approaches to assembling polymeric materials into bicontinuous network structures with superior property combinations. These will advance multiple applications, including membranes for removal of viruses and bacteria, selective ion transport media for new battery designs, therapeutic delivery vehicles, and materials to manipulate light more efficiently in photovoltaic devices. The investigators provide extensive research experiences for promising undergraduates from a national network of four-year colleges, minority serving institutions, and especially tribal colleges. Summer camps for high school students, drawn from the Twin Cities and from Native American communities across the upper Midwest, involve senior investigators, students, and postdoctoral fellows in hands-on laboratory activities. Entertaining demonstration shows to illustrate fundamental scientific principles engage over 50,000 K-12 students each year. Close interaction with industry involves knowledge transfer in a pre-competitive collaboration with over 25 companies. Shared experimental facilities provide access to state-of-the-art materials characterization instrumentation to a national base of over 500 users.Technical Description: IRG-1 aims to transform the understanding of mechanisms, capabilities, and applications of electrolyte-based gating, thereby realizing electrical control over an extraordinary range of electronic phases and function. Both electrostatic and electrochemical control are central to elucidating the biggest challenges facing ionic gating, and thus the development of ionic devices. These include understanding: when and why electrostatics vs. electrochemistry dominate; limits on speed, reversibility, and property modulation; interfacial structure, chemistry, and ion-carrier interactions; and universality of the approach. Three target materials classes are envisioned to tackle these issues – metal oxides, metal chalcogenides, and molecular conductors – chosen for alignment with key open issues and extraordinary functionality. The overarching goal of IRG-2 is to identify and translate design principles that direct small molecule self-assembly to oligomeric and polymeric shape-filling amphiphiles to form robust and functional mesoscopic network materials. Self-assembly strategies enable bottom-up design of nanostructured materials with tailored functionalities, accessing morphologies and properties exceeding those of their constituent building blocks. The interpenetrating microdomains of three-dimensional networks enable independent tuning of orthogonal properties in a single material. Crucially, the narrow composition windows over which networks typically form currently restricts their translation to applications. The team’s approach centers on identifying packing motifs that destabilize lamellar and cylindrical morphologies to broaden the composition phase windows of negative Gaussian curvature network phases. Control of phase selection and defect density by advanced processing in films and in bulk is also an important additional target.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.

非技术描述：明尼苏达大学的材料研究科学与工程中心（MRSEC）具有两个跨学科研究小组（IRGS）。一线队的目标是通过直接将强大的本地电场应用于有希望的新材料来访问新颖的电子和磁性。这项量子飞跃对齐的研究将准备好对非凡的电子相和功能范围的控制，从而为低功率磁数据存储和处理，神经样的计算以及纳米光电池（如太阳能电池）提供了新方法。第二个团队正在开发新颖的系统方法，将聚合物材料组装到具有出色属性组合的双连续网络结构中。这些将推进多个应用，包括用于去除病毒和细菌的机制，用于新电池设计的选择性离子传输介质，热递送车和材料，以在光伏设备中更有效地操纵光线。调查人员为四年制大学，少数民族服务机构，尤其是部落大学的全国网络提供了丰富的研究经验。高中生的夏令营，从双城和中西部上部的美洲原住民社区绘制，涉及高级调查员，学生和博士后研究员进行动手实验室活动。娱乐示范表演，以说明每年有50,000多名K-12学生的基本科学原则。与行业的紧密互动涉及与25多家公司的竞争性合作中的知识转移。共享的实验设施为超过500名用户提供了对最先进的材料表征仪器的访问。技术描述：IRG-1旨在改变对基于电解质的幻象的机制，能力和应用的理解，从而实现对电子相位和功能范围范围的电气控制。静电和电化学控制对于阐明离子门控面临的最大挑战以及离子设备的发展都是至关重要的。这些包括理解：何时以及为什么静电与电化学占主导地位；限制速度，可逆性和属性调制；界面结构，化学和离子载体相互作用；和方法的普遍性。设想三个目标材料类别以解决这些问题 - 金属氧化物，金属辣椒剂和分子导体 - 选择与关键的开放问题和非凡功能的对齐方式。 IRG-2的总体目标是识别和翻译设计原理，这些设计原理将小分子自组装引导到寡聚和聚合物形状填充两亲物以形成强大和功能性的介观网材料。自组装策略可以使纳米结构材料的自下而上设计具有量身定制的功能，访问超过其组成构件的形态和特性。三维网络的互穿微区域可实现单个材料中正交性的独立调整。至关重要的是，狭窄的组成窗口通常会形成网络，目前将其转换为应用程序。该团队的方法集中在识别破坏层状和圆柱形态稳定的包装图案，以扩大负高斯曲率网络阶段的组成相窗口。通过胶片和批量处理对相位选择和缺陷密度的控制也是一个重要的附加目标。该奖项反映了NSF的法定任务，并使用基金会的知识分子优点和更广泛的影响审查标准，认为通过评估被认为是珍贵的支持。

项目成果

期刊论文数量（263）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Alternating Gyroid Stabilized by Surfactant-like Triblock Terpolymers in IS/SO/ISO Ternary Blends

IS/SO/ISO 三元共混物中的类表面活性剂三嵌段三元共聚物稳定的交替陀螺仪

DOI：
10.1021/acs.macromol.2c02485
发表时间：
2023
期刊：
Macromolecules
影响因子：
5.5
作者：
Chen, Pengyu;Bates, Frank S.;Dorfman, Kevin D.
通讯作者：
Dorfman, Kevin D.

Origin of the magnetic field enhancement of the spin signal in metallic nonlocal spin transport devices

DOI：
10.1103/physrevb.104.014423
发表时间：
2021-07
期刊：
Physical Review B
影响因子：
3.7
作者：
A. J. Wright;M. Erickson;D. Bromley;P. Crowell;C. Leighton;L. O’Brien
通讯作者：
A. J. Wright;M. Erickson;D. Bromley;P. Crowell;C. Leighton;L. O’Brien

Recent Advances in the Development and Characterization of Electrochemical and Electrical Biosensors for Small Molecule Neurotransmitters

DOI：
10.1021/acssensors.3c00082
发表时间：
2023-03-20
期刊：
ACS SENSORS
影响因子：
8.9
作者：
He，Jiayi;Spanolios，Eleni;Haynes，Christy L.
通讯作者：
Haynes，Christy L.

Solution-based, additive fabrication of flush metal conductors in plastic substrates by printing and plating in two-level capillary channels

通过在两级毛细管通道中印刷和电镀，基于解决方案的增材制造塑料基材中的齐平金属导体

DOI：
10.1088/2058-8585/ac298a
发表时间：
2021
期刊：
Flexible and Printed Electronics
影响因子：
3.1
作者：
Jochem, Krystopher S;Kolliopoulos, Panayiotis;Frisbie, C Daniel;Francis, Lorraine F
通讯作者：
Francis, Lorraine F

Magnetoelastic Gilbert damping in magnetostrictive Fe0.7Ga0.3 thin films

磁致伸缩 Fe0.7Ga0.3 薄膜中的磁弹性 Gilbert 阻尼