Structural and magnetic properties of Nd2NiGe3

Sarkar, Sumanta; Kalsi, Deepti; Rayaprol, Sudhindra; Peter, Sebastian C.

doi:10.1016/j.jallcom.2015.01.150

Cited by 7 publications

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References 55 publications

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“…The other motivation of this work was our continuous search for new superstructures of the AlB 2 type structure similar to our recent studies on ordered compounds Eu 2 AuSi 3 , Eu 2 AgGe 3 , Eu 2 AuGe 3 , Yb 2 AuSi 3 and Yb 2 AuGe 3 [36][37][38], even though they were reported in the disordered structures earlier [29,[39][40][41]. We also observed the lack of ordered structure as in CeAu x Ge 1 À x [42], CeRh x Ge 1 À x [28] and Nd 2 NiGe 3 [43]; the first two led to the formation of the mixture of hexagonal and tetragonal crystal systems, but later one crystallize only with AlB 2 type. Understanding all these analyses, we have synthesized three Ag based compounds RE 2 AgGe 3 (RE¼Ce, Pr, Nd) by arc melting method.…”

Section: Introductionsupporting

confidence: 84%

Structure and physical properties of RE2AgGe3 (RE=Ce, Pr, Nd) compounds

Sarkar

Mumbaraddi

Halappa

et al. 2015

Journal of Solid State Chemistry

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Section: Introductionsupporting

confidence: 84%

Structure and physical properties of RE2AgGe3 (RE=Ce, Pr, Nd) compounds

Sarkar

Mumbaraddi

Halappa

et al. 2015

Journal of Solid State Chemistry

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ChemInform Abstract: Structural and Magnetic Properties of Nd₂NiGe₃.

et al. 2015

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Structural and Magnetic Properties of Nd 2NiGe3. -The title compound is prepared by arc melting of stoichiometric amounts of the elements followed by annealing (1173 K, 10 d). Nd 2NiGe3 exhibits the AlB2 type structure (space group P6/mmm, powder XRD) and consists of two-dimensional NiGe3 hexagonal units sandwiching the Nd atoms. Temperature dependent magnetic susceptibility data follow the Curie--Weiss law at 20-300 K and yield an effective magnetic moment of 3.83  B/Nd and a paramagnetic Curie temperature of -2.1 K, the latter both indicating trivalent Nd and weak antiferromagnetic interactions. Low field magnetic susceptibility data show a weak antiferromagnetic ordering at 3 K. No long range antiferromagnetic ordering is observed in temperature dependent neutron diffraction measurements. The metallic nature of Nd 2NiGe3 is confirmed with a sudden drop in electrical resistivity at <3 K. -(SARKAR, S.; KALSI, D.; RAYAPROL, S.; PETER*, S. C.; J. Alloys Compd. 632 (2015) 172-177, http://dx.

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