Abstract
A low-energy electron-diffraction intensity analysis of a clean Gd(0001) surface finds that this surface is relaxed, with the first interlayer spacing contracted by 3.5\ifmmode\pm\else\textpm\fi{}1.0% and the second interlayer spacing expanded by 2.0\ifmmode\pm\else\textpm\fi{}1.0% with respect to the bulk spacing (2.89 \AA{}). This result is in partial agreement with one and in strong disagreement with another theoretical result of first-principles calculations by other authors, but fits well in the norm of what is known about basal-plane surfaces of most hexagonal close-packed metals.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
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 call
