Abstract
The structure of liquid gallium in a wide temperature range has been studied. Analysis of data obtained by diffraction method allowed us to make some conclusions about the structural features of the liquid gallium. In particular there is a clear asymmetry of the first maximum of the structure factor (SF) and existence of shoulder on its right hand side. Also the temperature dependence of structural factors for liquid gallium in terms of its heterogeneous structure was analyzed. Interpretation was carried out under the assumption that the structure of liquid gallium consists of clusters with different distribution of atoms, as well as different types of chemical bonds between atoms. The structural units are sensitive to temperature. Splitting of the structure factor main maximum on the Gaussian partial curves, which corresponded to certain structural units of the melt, was also performed. Each structural component of the melt reveals a different nature of the temperature dependence. It is also assumed that the partial peaks for each cluster are described by Gaussian functions.
Highlights
It is known that method of x-ray diffractions is effective in structure studies and it is widely used for investigation of liquid metals
Since the structure factor (SF) are initial results contrary to pair correlation functions (PCF), which are commonly calculated from SF we focused our attention on description of last
Asymmetry of the first maximum in SF of liquid gallium exists in a wide temperature range and is relateded with its microinhomogeneous structure
Summary
It is known that method of x-ray diffractions is effective in structure studies and it is widely used for investigation of liquid metals. Up today there is no complete theory of the liquid state, capable to explain the relation between the physical properties of melts and their structure. For this reason, it is necessary to accumulate the results of diffraction studies and to find a new methods of their interpretation. It is necessary to accumulate the results of diffraction studies and to find a new methods of their interpretation This is especially important for profile analysis of diffraction peaks in SF and pair correlation functions (PCF), calculated from them. In this work we attempt to obtain the some results on this problem
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