TEM imaging of Ag-Au nanoalloys
收藏Most Wiedzy Open Research Data Catalog2026-04-17 收录
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The nanostructures of AuAg nanoalloys were prepared by sequential sputtering of metal thin layers (Au/Ag or Ag/Au) followed by annealing under 550 Celsius degree in an argon atmosphere. The basic single layer thickness was usually ca. 3 nm. For investigations two samples wih 50% Au and 50% Ag were selected and samples 1/3 Ag - 2/3 Au and 2/3 Ag - 1/3 Au. The analytical Transmission Electron Microscopy (TEM) investigations were performed on a JOEL JEM ARM 200F HR TEM apparatus equipped with an EDS detector. For nanograin structure and chemical composition, several TEM techniques were used, including conventional and High-Resolution imaging (TEM/HRTEM). TEM and EDX investigations showed thet obtained nanoislands are homogeneous, which suggests alloy formation rather than fully separated type structures.
提供机构：
Marcin Stanisław Łapiński
