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Crystal structure and magnetic properties of some compounds with GdNi~2~Ga~3~In type structure by Myroslava Horiacha; Galyna Nychyporuk; Rainer Pöttgen; Dariusz Kaczorowski; Vasyl Zaremba is a Chemistry article available to read on EtoBox.

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## Abstract The GdNi~2~Ga~3~In type crystal structures (Pnma) of the quaternary intermetallic compounds TbNi~2~Ga~3.03(1)~In~0.97(1)~ (a = 2.41554(2), b = 0.41614(4), c = 0.92220(10) nm, wR2 = 0.0512, 2006 F ^2^ values, 90 parameters) and HoNi~2~Ga~3.03(2)~In~0.97(2)~ (a = 2.41822(7), b = 0.41400(15), c = 0.9199(3) nm, wR2 = 0.0588, 1980 F ^2^ values, 89 parameters) were refined from the single crystal X-ray diffraction data. Single crystals were obtained by high-frequency annealing of the samples in sealed tantalum ampoules. The compounds with RE = Y, Dy and Ho are isotypic and were characterized by powder X-ray diffraction. The magnetic behaviour of the compounds RENi~2~Ga~3~In (RE = Y, Dy, Ho) was characterized by means of magnetization and dc magnetic susceptibility measurements, carried out in the temperature range 1.72–400 K in external magnetic fields up to 5 T. YNi~2~Ga~3~In was found to be a Pauli paramagnet with a molar magnetic susceptibility of about 4⋅10^−5^ emu mol^−1^ at room temperature. DyNi~2~Ga~3~In and HoNi~2~Ga~3~In are Curie-Weiss paramagnets which order antiferromagnetically below T ~N~ = 10.5 K (DyNi~2~Ga~3~In) and 4.4 K (HoNi~2~Ga~3~In).

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Author

Myroslava Horiacha; Galyna Nychyporuk; Rainer Pöttgen; Dariusz Kaczorowski; Vasyl Zaremba

Publisher

Walter de Gruyter GmbH

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)