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https://hdl.handle.net/2142/80671
Description
Title
X -Ray and Pressure Measurements on Helium Solids
Author(s)
Shah, Raj Suresh
Issue Date
1999
Doctoral Committee Chair(s)
Ralph O. Simmons
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Condensed Matter
Language
eng
Abstract
Lattice parameter data obtained from experiments at the National Synchrotron Light Source at the Brookhaven National Laboratory are also presented here. The vacancy formation energy of fcc 4He at 10.4 cm3 /mol was obtained by two different methods. In addition, c/a ratios were determined to be ideal for hcp 4He and hcp 3He near 10 cm3/mol.
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