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- W2023245504 endingPage "2570" @default.
- W2023245504 startingPage "2557" @default.
- W2023245504 abstract "Abstract The elastic properties of metallic and semiconducting nanowires were analyzed by different techniques employing static and dynamic loads. The reliability of the methods is verified by analyzing well defined microstructures and a good agreement for the values of the Young's modulus determined by the different methods was achieved. For the investigated materials systems (Au, W, Si, InN), basically no differences in the Young's moduli were observed between microstructures, bulk material, and nanowires with radii of 20–300 nm. Microstructure, morphological undulation, defects, and contaminations, however, can drastically change the apparent Young's moduli of nanowires. Examples are given, where an apparent increasing or decreasing of the Young's modulus with decreasing diameter is caused by such effects. The same effects have also influence on the fracture strength in nanowires. While perfect Au nanowires exhibit fracture strengths exceeding the bulk values up to two orders of magnitude, any anomaly causes earlier failure. In addition, failure mechanisms are observed to be dependent on the microstructure. While single crystalline Au nanowires have shown a pure elastic deformation upon load, polycrystalline nanowires show a remarkable plastic deformation before breaking." @default.
- W2023245504 created "2016-06-24" @default.
- W2023245504 creator A5031123359 @default.
- W2023245504 creator A5031355089 @default.
- W2023245504 creator A5055637271 @default.
- W2023245504 creator A5059513579 @default.
- W2023245504 creator A5081071159 @default.
- W2023245504 creator A5083212565 @default.
- W2023245504 date "2010-09-15" @default.
- W2023245504 modified "2023-10-18" @default.
- W2023245504 title "Elastic properties of nanowires" @default.
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