Ferromagnetic Order in the Intermetallic Alloys laNi5-xMgx
| Main Authors: | Ba, D.N, Tai, L.T, Trung, N.T, Huy, N.T |
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| Format: | Article info application/pdf Journal |
| Bahasa: | eng |
| Terbitan: |
Universitas Gadjah Mada
, 2012
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| Subjects: | |
| Online Access: |
http://ajstd.org/index.php/ajstd/article/view/49 http://ajstd.org/index.php/ajstd/article/view/49/47 |
Daftar Isi:
- The influences of the substitution of Ni with Mg on crystallographic and magnetic properties of the intermetallic alloys LaNi5-xMgx (x ≤ 0.4) were investigated. The X-ray diffraction patterns showed that all samples were of single phase, and the lattice parameters, a and c, decreased slightly upon chemical doping. LaNi5 is well known as an exchange-enhanced Pauli paramagnet. Interestingly, in LaNi5-xMgx, the ferromagnetic order existed even with a small amount of dopants; the Curie temperature reached the value of room temperature for x = 0.2, and enhanced with increasing x.