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Synchrotron x-ray study of the structures and phase transitions of monolayer xenon on single-crystal graphite

Journal Article · · Physical Review (Section) B: Condensed Matter; (USA)
; ; ;  [1];  [2];  [3]
  1. Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (US)
  2. IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598
  3. Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113 Japan
The phases and phase transitions of solid xenon monolayers on a graphite single crystal were investigated using high-resolution synchrotron x-ray scattering. As the temperature is lowered a sequence of incommensurate solid phases (aligned{r arrow}rotated{r arrow}reentrant aligned) occurs. This sequence is followed by an incommensurate-commensurate transition. Zero-temperature mean-field theories are able to explain the C-IC transition but not the reentrant rotational transitions. The corrugation of the adsorption potential and the width of domain walls are estimated using relaxation simulations at zero temperature.
OSTI ID:
5551270
Journal Information:
Physical Review (Section) B: Condensed Matter; (USA), Journal Name: Physical Review (Section) B: Condensed Matter; (USA) Vol. 40:7; ISSN PRBMD; ISSN 0163-1829
Country of Publication:
United States
Language:
English

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