期刊
NANOMATERIALS
卷 9, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/nano9040544
关键词
nuclear forward scattering; metallic glasses; magnetic annealing; synchrotron radiation; crystallization kinetics
类别
资金
- VEGA [1/0182/16]
- IGA grant of Palacky University [IGA_PrF_2018_002]
Application of the so-called nuclear forward scattering (NFS) of synchrotron radiation is presented for the study of crystallization of metallic glasses. In this process, nanocrystalline alloys are formed. Using NFS, the transformation process can be directly observed during in-situ temperature experiments not only from the structural point of view, i.e., formation of nanocrystalline grains, but one can also observe evolution of the corresponding hyperfine interactions. In doing so, we have revealed the influence of external magnetic field on the crystallization process. The applied magnetic field is not only responsible for an increase of hyperfine magnetic fields within the newly formed nanograins but also the corresponding components in the NFS time spectra are better identified via occurrence of quantum beats with higher frequencies. In order to distinguish between these two effects, simulated and experimental NFS time spectra obtained during in-situ temperature measurements with and without external magnetic field are compared.
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