Journal
SOLID STATE COMMUNICATIONS
Volume 149, Issue 7-8, Pages 322-324Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2008.11.031
Keywords
Rhodium hydride; Electronic structure; Magnetic moments
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Funding
- National Natural Science Foundation of China [10764003]
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Based on ab initio total energy calculations, the structural, electronic and magnetic properties of RhH alloy with both Cubic and tetrahedral structures are investigated as a function of the Volume. It is shown that NaCl-type cubic structure is more stable than the tetrahedral one energetically as obtained from the experimental findings. The cubic one has a small Volume with lattice parameter a = 4.053 angstrom and magnetic moment of 0.45(mu B), while the ZrH-type tetrahedral structure has a larger volume with lattice parameters a = 4.053 angstrom, c = 4.398 angstrom and magnetic inoment of 1.71 mu(B). The corresponding density of state for both structures are also shown to understand the magnetic behavior. (C) 2008 Elsevier Ltd. All rights reserved
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