Magnetic and magnetocaloric properties of spin-glass material DyNi0.67Si1.34
Journal Article
·
· Journal of Magnetism and Magnetic Materials
- Ames Lab. and Iowa State Univ., Ames, IA (United States); eijiang Normal Univ., Neijiang (People's Republic of China)
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Materials Science and Engineering
Structural, magnetic, and magnetocaloric properties of DyNi0.67Si1.34 were investigated using X-ray powder diffraction, magnetic susceptibility, and magnetization measurements. X-ray powder diffraction pattern shows that DyNi0.67Si1.34 crystallizes in the AlB2-type hexagonal structure (space group: P6/mmm, No. 191, a = b = 3.9873(9) Å, and c = 3.9733(1) Å). The compound is a spin-glass with the freezing temperature TG = 6.2 K. The ac magnetic susceptibility measurements confirm magnetic frustration in DyNi0.67Si1.34. Furthermore, the maximum value of the magnetic entropy change determined from M(H) data is –16.1 J/kg K at 10.5 K for a field change of 70 kOe.
- Research Organization:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Organization:
- Department of Science and Technology of Sichuan Province (China); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-07CH11358
- OSTI ID:
- 1355901
- Alternate ID(s):
- OSTI ID: 1368059
OSTI ID: 22657759
OSTI ID: 1396916
- Report Number(s):
- IS-J--9326; PII: S0304885317307084
- Journal Information:
- Journal of Magnetism and Magnetic Materials, Journal Name: Journal of Magnetism and Magnetic Materials Journal Issue: C Vol. 436; ISSN 0304-8853
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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