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- W4213328701 abstract "What happens to a metal when its size is reduced? What changes are expected, what has to be taken into account? By taking the metal-hydrogen system (M-H-system) as model system this book tries to give some answers to these questions. A large variety of material physics experiments on thin films, multi layers and clusters of only several nanometers size is presented. The results are discussed with regard to mechanical stress and micro structure of the samples (including surfaces). The important impact of the stabiliser on the physical properties of the nano-size system is proved by first measuring huge mechanical stress and large strains. Stress and strain are in accordance with stress and strain calculated by using linear elastic theory. However, most systems avoid very huge stress by deforming plastically or by detaching from the stabiliser. Second, the micro structural contribution (grain boundaries, dislocations, surfaces, interfaces) on phase boundaries is estimated. It will be shown, that the measured nano-sized M-H phase boundaries can not be explained by micro structural contributions, only. To explain the experimental data, stress has to be taken into account. For small clusters, new structures have to be considered - cluster phase diagrams change completely compared to those of the bulk system. With respect to micro structure and mechanical stress published data will be re-discussed, offering solutions for conflicting results. Thus, this book gives an inside view on changes of material physical properties of M-H systems by nano-sizing." @default.
- W4213328701 created "2022-02-24" @default.
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- W4213328701 date "2022-02-20" @default.
- W4213328701 modified "2023-10-01" @default.
- W4213328701 title "Nanoskalige Metall-Wasserstoff-Systeme" @default.
- W4213328701 doi "https://doi.org/10.53846/goediss-2742" @default.
- W4213328701 hasPublicationYear "2022" @default.
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