probing

  • 131Free space — In classical physics, free space is a concept of electromagnetic theory, corresponding to a theoretically perfect vacuum, and sometimes referred to as the vacuum of free space. The definitions of the ampere and meter SI units are based upon… …

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  • 132Organic semiconductor — STM image of self assembled supramolecular chains of the organic semiconductor Quinacridone on Graphite. An organic semiconductor is an organic material with semiconductor properties. Single molecules, short chain (oligomers) and organic polymers …

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