The Role of Ni for Magnetism in Ti-Zr-Ni Quasicrystals
- Authors
- Lee, Yunman; Shin, Hyemin; Kim, Jae-yong; Sohn, Sung-woo; Kim, Do-hyang
- Issue Date
- Jun-2009
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Magnetic properties; quasicrystals; Ti-Zr-Ni alloy; VSM
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.45, no.6, pp.2594 - 2596
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 45
- Number
- 6
- Start Page
- 2594
- End Page
- 2596
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/176715
- DOI
- 10.1109/TMAG.2009.2018904
- ISSN
- 0018-9464
- Abstract
- The interesting structural property of quasicrystals is characterized by exhibition of a five-fold symmetry which is forbidden in crystal. Most of the quasicrystals are discovered in Al- and Ti-based alloys made with rapid quenching indicating that they are metastable. Ti-based quasicrystals are still interesting in terms of structural stability and magnetic state when a sample contains Ni. We prepared metastable Ti55-xZr33Ni12+x (x = 0, 3, 5, 7, 9) metallic ribbons of quasicrystals by rapid quenching method. A pure quasicrystal phase was obtained in a range of 5 <= x <= 9. The magnetization and magnetic hysteresis were measured by using a vibrating sample magnetometer (VSM). Interestingly, quasicrystal samples made with x = 7 and 9 showed magnetic hysteresis at room temperature, while no evidence for the hysteresis was noted from the samples made with x = 5. This suggests that a magnetic state of quasicrystal is strongly influenced by the Ni concentration. The magnetization values measured at zero-field-cooled (ZFC) and field-cooled (FC) conditions demonstrated little hint of significant difference suggesting that no rapid change in magnetization value is expected.
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