Equipment: MRI: Track 2 Acquisition of the Thermo Fischer Cryogenic Helios 5 CX DualBeam for Materials Science
设备: MRI:Track 2 采购用于材料科学的 Thermo Fischer Cryogenic Helios 5 CX DualBeam
基本信息
- 批准号:2320409
- 负责人:
- 金额:$ 153.08万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-09-01 至 2026-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The interdisciplinary field of modern materials science focuses on an increasingly smaller scale for understanding and manipulations of optical, mechanical, electrical, and thermal properties of materials, including naturally existing as well as with man-made, engineered materials. Remarkable progress in studying materials on the nanometer-scale is enabled by the advanced, state-of-the-art nanofabrication tools for carving bulk materials, creating and imaging nanoscale features. One of the most versatile nanofabrication and nano-imaging approaches relies on the focused ion beam (FIB) technique, widely used in the development of the latest generation of microelectronic systems, microfluidic chips, photonic and biomedical devices. Recently, the development of cryogenic FIB has further expanded its capabilities, particularly in characterizing materials and systems containing soft and liquid phases, while maintaining sample integrity. The Thermo Scientific™ Helios™ 5 CX DualBeam instrument offers a unique opportunity of handling samples at both room and cryogenic temperatures. Its cryogenic inert-gas sample transfer system enables the safe transfer of samples to gloveboxes and other instruments under cryogenic temperatures, without exposing them to ambient conditions. The instrument contributes to the educational mission of Shared Materials Instrumentation Facility at Duke and in the Research Triangle and Triad Areas enabling the diverse population of graduate, undergraduate, minority and female students to prepare nano- or microfluidic channels, deposition of nano-wires, and fabrication and characterization of micro-electro-mechanical systems. The Thermo Fischer Scientific Cryogenic Helios 5 CX DualBeam for Materials Science is an integrated FIB and scanning electron microscope instrument, enabling a plethora of flexibility to perform nanofabrication, lithography, volumetric imaging, and in-situ measurements. The development of more flexible ion beam columns and in-situ cooling capabilities in this instrument also reduce detrimental effects of Ga+ implantation and ion and electron beam irradiation-induced heating on the sample surface and enable studies of beam-sensitive, soft, and liquid materials. A cryogenic stage in a FIB is especially critical to scanning electron microscopy analysis and transmission electron microscopy specimen preparations for microelectronic, energy storage materials, and two-dimensional materials, which are extremely sensitive to ion and electron beams and can only be imaged and sectioned at cooled temperatures. The Thermo Fischer Scientific Cryogenic Helios 5 CX DualBeam enables a number of cutting-edge research projects including nanofabrication of hyperbolic metastructures for imaging with subwavelength resolution, characterization of hard-soft material interfaces where preparation of a very smooth surface exposing undamaged polymer with the hard domains is critical, studies of cathode-electrolyte interfaces in alkali-ion batteries, analysis of high-performance composites for lithium-metal batteries, investigation of interference effects in superconductor-quantum Hall hybrid structures, ultra-high-resolution imaging and characterization of the catalyst-support for plasmonic catalysts enabling solar ammonia synthesis under concentrated sunlight.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.
现代材料科学的跨学科领域专注于越来越小的尺度,以理解和操纵材料的光学,机械,电学和热学性质,包括自然存在的以及人造的工程材料。在纳米尺度上研究材料的显着进展是由先进的,国家的最先进的nanofableton工具雕刻散装材料,创建和成像纳米尺度的功能。最通用的纳米纤维和纳米成像方法之一依赖于聚焦离子束(FIB)技术,该技术广泛用于最新一代微电子系统、微流体芯片、光子和生物医学设备的开发。最近,低温FIB的发展进一步扩展了其能力,特别是在表征含有软相和液相的材料和系统方面,同时保持样品的完整性。Thermo Scientific™ Helios™ 5 CX DualBeam仪器提供了在室温和低温下处理样品的独特机会。其低温惰性气体样品转移系统能够在低温下将样品安全转移到手套箱和其他仪器中,而不会将其暴露在环境条件下。该仪器有助于教育使命的共享材料仪器设施在杜克和研究三角和三合会地区,使不同的人口研究生,本科生,少数民族和女学生准备纳米或微流体通道,沉积纳米线,制造和表征微机电系统。Thermo Fischer Scientific用于材料科学的低温Helios 5 CX DualBeam是一款集成的FIB和扫描电子显微镜仪器,可灵活执行纳米加工、光刻、体积成像和原位测量。更灵活的离子束柱和原位冷却能力的发展,在这台仪器也减少了Ga+注入和离子和电子束辐照引起的样品表面加热的不利影响,使束敏感,软,液体材料的研究。FIB中的低温阶段对于微电子、储能材料和二维材料的扫描电子显微镜分析和透射电子显微镜样品制备尤其重要,这些材料对离子和电子束极其敏感,并且只能在冷却温度下成像和切片。Thermo Fischer Scientific Cryogenic Helios 5 CX DualBeam可用于许多尖端研究项目,包括用于亚波长分辨率成像的双曲元结构纳米纤维,硬-软材料界面的表征,其中制备非常光滑的表面暴露未损坏的聚合物与硬域是至关重要的,碱离子电池中阴极-电解质界面的研究,分析锂金属电池的高性能复合材料,研究超导体-量子霍尔混合结构中的干扰效应,催化剂的超高分辨率成像和表征-支持等离子体催化剂,使太阳能氨合成在集中的阳光下。该奖项反映了NSF的法定使命,并已通过使用基金会的知识价值和更广泛的影响审查标准进行评估,认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Natalia Litchinitser其他文献
Natalia Litchinitser的其他文献
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{{ truncateString('Natalia Litchinitser', 18)}}的其他基金
Magnetic Resonances in Nonlinear Dielectric Nanostructures: New Light-Matter Interactions and Machine Learning Enhanced Design
非线性介电纳米结构中的磁共振:新的光-物质相互作用和机器学习增强设计
- 批准号:
2240562 - 财政年份:2023
- 资助金额:
$ 153.08万 - 项目类别:
Standard Grant
Manipulating light-matter interactions in bulk anisotropic metamaterials
操纵块体各向异性超材料中的光与物质相互作用
- 批准号:
1809518 - 财政年份:2018
- 资助金额:
$ 153.08万 - 项目类别:
Continuing Grant
Submicron Remote Imaging using Specialty Fiber Coupled Hyperlens
使用特种光纤耦合超透镜进行亚微米远程成像
- 批准号:
1231852 - 财政年份:2012
- 资助金额:
$ 153.08万 - 项目类别:
Continuing Grant
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