TY - JOUR
T1 - New phases of binary compounds
T2 - CsCl-type RuGe and RuSn
AU - Sakai, Y.
AU - Matoba, M.
AU - Yamada, I.
AU - Funakoshi, K.
AU - Kunimoto, T.
AU - Higo, Y.
AU - Kamihara, Y.
N1 - Funding Information:
This work was partially supported by the research grants from Keio University and Funding Program for World-Leading Innovative R and D on Science and Technology (FIRST) from Japan Society for Promotion of Science (JSPS) and Hitachi Metals Materials Science Foundation (HMMSF). In situ EDXRD was performed at the synchrotron radiation facility SPring-8 (proposal Nos. 2010B1607, 2011A1551, 2011B1490, 2012B1615, and 2013B1615).
Funding Information:
This work was partially supported by the research grants from Keio University and Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST) from Japan Society for Promotion of Science (JSPS) and Hitachi Metals Materials Science Foundation (HMMSF). In situ EDXRD was performed at the synchrotron radiation facility SPring-8 (proposal Nos. 2010B1607, 2011A1551, 2011B1490, 2012B1615, and 2013B1615).
Publisher Copyright:
Copyright © EPLA, 2014.
PY - 2014/9
Y1 - 2014/9
N2 - We have discovered new phases of binary compounds of Ru and group-14 elements, CsCl-type cubic (Pm-3m) RuGe and RuSn. These materials are synthesized by heat treatment under high pressure, at more than 9.0 GPa for RuGe and 5.0 GPa for RuSn. Both polycrystalline samples exhibit metallic resistivity of 40-120 μΩ. Pseudo-potential density functional theory calculations clarify that Ru 4d orbitals hybridized with Ge/Sn p orbitals dominantly form a Fermi surface. Calculated dynamic properties of these phases show the stability of the CsCl-type phases and the good agreement with the experimental results.
AB - We have discovered new phases of binary compounds of Ru and group-14 elements, CsCl-type cubic (Pm-3m) RuGe and RuSn. These materials are synthesized by heat treatment under high pressure, at more than 9.0 GPa for RuGe and 5.0 GPa for RuSn. Both polycrystalline samples exhibit metallic resistivity of 40-120 μΩ. Pseudo-potential density functional theory calculations clarify that Ru 4d orbitals hybridized with Ge/Sn p orbitals dominantly form a Fermi surface. Calculated dynamic properties of these phases show the stability of the CsCl-type phases and the good agreement with the experimental results.
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U2 - 10.1209/0295-5075/107/56003
DO - 10.1209/0295-5075/107/56003
M3 - Article
AN - SCOPUS:84971254627
VL - 107
JO - EPL
JF - EPL
SN - 0295-5075
IS - 5
M1 - 56003
ER -