Abstract
The electric-field gradient (EFG) at the Y site in ${\mathrm{YH}}_{3}$ has been investigated as a function of temperature by $^{181}\mathrm{Ta}$ perturbed angular correlation (PAC) measurements. At T\ensuremath{\le}290 K the EFG shows a strong axial asymmetry, consistent with the ${\mathrm{HoD}}_{3}$ structure proposed for the heavy-rare-earth trihydrides. At higher temperatures the PAC spectra reveal the existence of a second phase, which is characterized by a much stronger EFG and a higher symmetry. The two phases were found to transform reversibly into each other between 300 and 400 K.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
