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Giant Hall Resistivity and Magnetoresistance in Cubic Chiral Antiferromagnet EuPtSi
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Description
EuPtSi crystallizes in the cubic chiral structure (P213, No. 198), which is the same as the non-centrosymmetric space group of MnSi with the skyrmion structure, and orders antiferromagnetically below a Neel temperature TN = 4.05 K. The magnetization at 2 K for the [111] direction indicates two metamagnetic transitions at the magnetic fields HA1 = 9.2 kOe and HA2 = 13.8 kOe and saturates above Hc = 26.6 kOe. The present magnetic phase between HA1 and HA2 is most likely closed in the \((H,T)\) phase and is observed in a wide temperature range from 3.6 to 0.5 K. In this magnetic phase known as the A-phase, we found giant additional Hall resistivity ΔρH(H) and magnetoresistance Δρ(H), reaching ΔρH(H) = 0.12 µΩ·cm and Δρ(H) = 1.4 µΩ·cm, respectively. These findings are obtained for H || [111] and [100], but not for H || [110] and [112], revealing an anisotropic behavior in the new material EuPtSi.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 87 (2), 023701-, 2018-02
Tokyo : Physical Society of Japan
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Details 詳細情報について
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- CRID
- 1523388079894435968
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- NII Article ID
- 40021463195
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- NII Book ID
- AA00704814
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- ISSN
- 00319015
- 13474073
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- NDL BIB ID
- 028822699
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- Text Lang
- en
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- Article Type
- journal article
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- NDL Source Classification
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- ZM35(科学技術--物理学)
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- Data Source
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- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE