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journal article·2024-02-01Open access

Magnetic and magnetocaloric properties of rare earth intermetallic compound Gd3Co4Ge13

A. V. Morozkin, A. V. Garshev, V. O. Yapaskurt, S. Quezado, S. K. Malik, R. Nirmala

AIP Advances· Volume 14· Issue 2
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Source abstract

Abstract

Magnetic and magnetocaloric properties of polycrystalline Gd3Co4Ge13 (Cubic, Yb3Rh4Sn13-type, Space group Pm-3n, No. 223, cP40) have been studied by carrying out dc magnetization measurements in applied magnetic fields up to 140 kOe. The compound Gd3Co4Ge13 orders antiferromagnetically at 9 K (TN). The antiferromagnetism appears to be weak and with increasing applied magnetic fields, ferromagnetic interactions become dominant. This field-induced antiferromagnetic to ferromagnetic state that is marked as a change from inverse to normal magnetocaloric effect in the isothermal magnetic entropy change vs temperature plot around TN. At 2 K, the magnetization shows a tendency toward saturation in applied magnetic field and a magnetic moment of 5.3 µB per Gd3+ is obtained in 140 kOe field.
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Research context

Metals & alloys

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Rare-earth and actinide compounds · Magnetic Properties of Alloys

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, Moscow State University 1 , Leninskie Gory, House 1, Building 3, GSP-2, Moscow 119992, Russia

Faculty of Materials Science, Moscow State University 2 , Leninskie Gory, House 1, Building 73, GSP-1, Moscow 119991, Russia

Department of Petrology, Geological Faculty Moscow State University 3 , Leninskie Gory, Moscow 119992, Russia

Departamento de Física, Universidade Federal do Rio Grande do Norte 4 , Natal 59082-970, Brazil

Department of Physics, Indian Institute of Technology Madras 5 , Chennai 600 036, India

Funding

M. V. Lomonosov Moscow State University Program of Development · CAPES, Brazil · Department of Science and Technology, India

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