Academic Journal
A Molecular Dynamics Study of Ag-Ni Nanometric Multilayers: Thermal Behavior and Stability
| العنوان: | A Molecular Dynamics Study of Ag-Ni Nanometric Multilayers: Thermal Behavior and Stability |
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| المؤلفون: | Baras, Florence, Politano, Olivier, Li, Yuwei, Turlo, Vladyslav |
| المساهمون: | Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), Université de Technologie de Belfort-Montbeliard (UTBM)-Université de Bourgogne (UB)-Université Bourgogne Franche-Comté COMUE (UBFC)-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | ISSN: 2079-4991. |
| بيانات النشر: | HAL CCSD MDPI |
| سنة النشر: | 2023 |
| المجموعة: | Université de Bourgogne (UB): HAL |
| مصطلحات موضوعية: | nanometric metallic multilayers, immiscible metals, Ag-Ni interface, thermal stability, grain boundary groove, molecular dynamics simulations, [PHYS]Physics [physics], [CHIM]Chemical Sciences |
| الوصف: | International audience ; Nanometric multilayers composed of immiscible Ag and Ni metals were investigated by means of molecular dynamics simulations. The semi-coherent interface between Ag and Ni was examined at low temperatures by analyzing in-plane strain and defect formation. The relaxation of the interface under annealing conditions was also considered. With increasing temperature, a greater number of atomic planes participated in the interface, resulting in enhanced mobility of Ag and Ni atoms, as well as partial dissolution of Ni within the amorphous Ag. To mimic polycrystalline layers with staggered grains, a system with a triple junction between a silver single layer and two grains of nickel was examined. At high temperatures (900 K and 1000 K), the study demonstrated grain boundary grooving. The respective roles of Ni and Ag mobilities in the first steps of grooving dynamics were established. At 1100 K, a temperature close but still below the melting point of Ag, the Ag layer underwent a transition to an amorphous/premelt state, with Ni grains rearranging themselves in contact with the amorphous layer. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | hal-04179311; https://hal.science/hal-04179311; https://hal.science/hal-04179311/document; https://hal.science/hal-04179311/file/nanomaterials-13-02134-with-cover.pdf |
| DOI: | 10.3390/nano13142134 |
| الاتاحة: | https://hal.science/hal-04179311 https://hal.science/hal-04179311/document https://hal.science/hal-04179311/file/nanomaterials-13-02134-with-cover.pdf https://doi.org/10.3390/nano13142134 |
| Rights: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.9763459B |
| قاعدة البيانات: | BASE |
| DOI: | 10.3390/nano13142134 |
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