Scientific article
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The crystal Structure, Electronic, and Magnetic Properties of NaPd3Ge2

Published inMaterials research bulletin, vol. 70, p. 673-677
Publication date2015-10

Crystals of NaPd3X2, (X = Si, Ge, Sn) were synthesized and their crystal structures investigated by single crystal X-ray diffraction. The previously reported structures of NaPd3Si2 and NaPd3Sn2 were confirmed. NaPd3Ge2 was found to have a different unit cell from that originally reported; therefore the structure was solved. It is an orthorhombically distorted version of the hexagonal CeCo3Be2-type structure, in space group Imma, with cell parameters a = 7.244(1) Å, b = 9.938(1) Å, c = 5.767(2) Å. The originally reported cell is explained through triple twinning of the true cell. The structure of NaPd3Ge2 fits the trend of decreasing X-X dimerization as a function of increasing period from Si-Sn. All three compounds are metals showing weak diamagnetism with increasing resistivity from NaPd3Si2-NaPd3Sn2; no superconductivity is observed down to 2 K.

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Citation (ISO format)
ALI, Mazhar N. et al. The crystal Structure, Electronic, and Magnetic Properties of NaPd<sub>3</sub>Ge<sub>2</sub>. In: Materials research bulletin, 2015, vol. 70, p. 673–677. doi: 10.1016/j.materresbull.2015.05.040
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ISSN of the journal0025-5408

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