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Isotope-Selective Detection and Imaging of Organic Nanolayers

机译:有机纳米层的同位素选择性检测和成像

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Magnetic resonance force microscopy (MRFM) makes use of the spectroscopic nature of magnetic resonance to add unambiguous elemental selectivity to scanning probe microscopy. We show isotopic selectivity of MRFM for three nuclei, H-1, P-31, and C-13, in organic materials. We also detect a roughly 1 nm thick layer of naturally occurring adsorbates on a gold surface by measuring the magnetic resonance signal of the hydrogen contained in the layer. Finally, we detect the signal from hydrogen present on a carbon nanotube and use it to perform a three-dimensional magnetic resonance image of the 10 nm diameter object.
机译:磁共振力显微镜(MRFM)利用了磁共振的光谱性质,为扫描探针显微镜增加了明确的元素选择性。我们展示了有机材料中三个原子核H-1,P-31和C-13的MRFM同位素选择性。我们还通过测量该层中所含氢的磁共振信号,在金表面上检测到了大约1 nm厚的天然吸附物层。最后,我们从碳纳米管上存在的氢中检测出信号,并使用它执行直径为10 nm的物体的三维磁共振图像。

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