MRI Acquisition: An integrated platform for combined multi-scale mechanical and chemical analysis to inform functional materials design

1338154 Ferguson该系统通过集成原子力显微镜、超纳米压痕测试仪(最大深度=100？m；载荷=50 mN)、纳米压痕测试仪(1000？m；500 mN)和光学显微镜(通过其进行二维拉曼显微镜(514或785 nm激光))，在一个模块化平台上简化了单个ROI的多模式分析。一个高精度的平移平台在模块之间移动样本。这一拟议的仪器将促进在多个小长度尺度上进行综合机械分析，并在单一投资回报范围内确定化学成分。原子力显微镜和纳米压痕是评估刚性、常规工程材料的成熟技术。然而，大多数商业上可用的纳米压痕仪无法准确测试水合、柔软或受热变化的材料。CSM仪器平台巧妙地克服了现有压痕系统的局限性，使用一个独立的探头来找到样品的表面并持续监测热漂移，而第二个探头则对样品进行压痕，这对于柔软或类似流体的表面至关重要。与拉曼显微镜的集成将有助于在一个精确的ROI中进行机械行为和材料化学的组合分析。在CU Boulder收购这一系统将以无与伦比的方式为尖端材料的设计提供信息，并加强我们在世界级材料研究方面的活动。

1338154FergusonThe proposed system facilitates multimodal analysis of a single ROI on one modular platform by integrating an Atomic Force Microscope, an Ultra Nanoindentation Tester (max depth = 100 ìm; load = 50 mN), a Nanoindentation Tester (1000 ìm; 500 mN), and an optical microscope through which 2-D Raman microscopy (514 or 785 nm lasers) is performed. A high precision translation stage moves samples between modules. This proposed instrument will facilitate combined mechanical analysis, across multiple small length-scales, with determination of chemical composition at a single ROI. AFM and nanoindentation are well-established techniques for assessing stiff, conventional engineering materials. Yet most commercially available nanoindenters fail to accurately test materials that are hydrated, soft, or subjected to thermal changes. The CSM Instruments platform adeptly overcomes limitations of existing indenter systems by using one independent probe to find a sample's surface and continuously monitor thermal drift while a second probe indents the sample - critical for soft or fluid-like surfaces. Integration with a Raman microscope will facilitate combined analysis of mechanical behavior and materials chemistry in one exact ROI. Acquisition of this system at CU Boulder will inform design of cutting-edge materials in an unparalleled fashion and enhance our activities in world-class materials research.