Ab-initio, Mößbauer spectroscopy, and magnetic study of the approximant Al<sub>72</sub>Ni<sub>9</sub>Fe<sub>19</sub> to a decagonal Al-Ni-Fe quasicrystal

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Ab-initio, Mößbauer spectroscopy, and magnetic study of the approximant Al₇₂Ni₉Fe₁₉ to a decagonal Al-Ni-Fe quasicrystal

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作者：Farshad Nejadsattari^a ; Zbigniew M. Stadnik^a ; ^{stadnik@uottawa.ca" class="auth_mail" title="E-mail the corresponding author} ; Janusz Przewoźnik^b ; Benjamin Grushko^c
关键词：Paramagnet ; 57Fe Mö ; ß ; bauer spectroscopy ; Electric quadrupole splitting ; Pseudogap in the density of states ; Debye temperature
刊名：Journal of Alloys and Compounds
出版年：2016
出版时间：25 December 2016
年：2016
卷：689
期：Complete
页码：726-732
全文大小：2416 K

文摘

•: The density of states reveals the presence of a pseudogap around the Fermi energy.
•: Good metallicity of Al₇₂Ni₉Fe₁₉ is predicted.
•: Al₇₂Ni₉Fe₁₉ is a paramagnet down to 2.0 K.
•: Evidence is provided for the covalent nature of chemical bonding.
•: The Debye temperature of Al₇₂Ni₉Fe₁₉ is 431 (3) K.

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