Magnetic and magnetocaloric properties of rare earth intermetallic compound Gd3Co4Ge13

被引：0

作者：

Morozkin, A. V. ^{[1
]}

Garshev, A. V. ^{[1
,2
]}

Yapaskurt, V. O. ^{[3
]}

Quezado, S. ^{[4
]}

Malik, S. K. ^{[4
]}

Nirmala, R. ^{[5
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Leninskie Gory,House 1,Bldg 3,GSP-2, Moscow 119992, Russia

[2] Moscow MV Lomonosov State Univ, Fac Mat Sci, Leninskie Gory,House 1,Bldg 73,GSP-1, Moscow 119991, Russia

[3] Moscow MV Lomonosov State Univ, Fac Geol, Dept Petrol, Moscow 119899, Russia

[4] Univ Fed Rio Grande do Norte, Dept Fis, BR-59072970 Natal, RN, Brazil

[5] Indian Inst Technol Madras, Dept Phys, Chennai, India

来源：

AIP ADVANCES | 2024年 / 14卷 / 02期

关键词：

PHASE-TRANSITION; RH; CO;

D O I：

10.1063/9.0000806

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 (T-N). 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 T-N. At 2 K, the magnetization shows a tendency toward saturation in applied magnetic field and a magnetic moment of 5.3 mu(B) per Gd3+ is obtained in 140 kOe field.

引用

页数：5

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