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Nanometer standard prototype and method for manufacturing nanometer standard prototype
Nanometer standard prototype and method for manufacturing nanometer standard prototype
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机译:纳米标准原型和制造纳米标准原型的方法
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摘要
A standard sample (72) that is a nanometer standard prototype, having a standard length that serves as a length reference, includes a SiC layer in which a step-terrace structure is formed. The height of a step, used as the standard length, is equal to the height of a full unit that corresponds to one periodic of a stack of SiC molecules in a stack direction or equal to the height of a half unit that corresponds to one-half periodic of the stack of SiC molecules in the stack direction. In a microscope such as an STM to be measured in a high-temperature vacuum environment, heating in a vacuum furnace enables surface reconstruction with ordered atomic arrangement, while removing a natural oxide film from the surface, so that accuracy of the height of the step is not degraded. Accordingly, a standard sample usable under a high-temperature vacuum is achieved.
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