Structural investigations in helium charged titanium films using grazing incidence XRD and EXAFS spectroscopy
Source abstract
Abstract
Abstract The crystal structure and local atomic arrangements surrounding Ti atoms were determined for He-charged hexagonal close-packed (hcp) Ti films and measured at glancing angles by synchrotron radiation X-ray diffraction (XRD) and extended X-ray absorption fine structure (EXAFS) spectroscopy, respectively. The charged specimens were prepared by direct current magnetron sputtering with a He/Ar mixture. He atoms with a relatively medium concentration (He/Ti atomic ratio as high as 17 at.%) were incorporated evenly in the deposited films. XRD results showed the changes in the peak intensities in Ti films with different He contents. EXAFS Fourier Transform analysis indicated that the average Ti–Ti distance decreased significantly, and proved the existence of phase transition.
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Research context
OpenAlex topics: Fusion materials and technologies · Nuclear Materials and Properties · Metal and Thin Film Mechanics
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References (29)
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