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Magnetocrystalline anisotropy and exchange probed by high-field anomalous Hall effect in fully compensated half-metallic Mn2Rux Ga thin films

文献类型：期刊论文

作者Fowley, Ciaran1; Rode, Karsten2,3; Lau, Yong-Chang2,3; Thiyagarajah, Naganivetha2,3; Betto, Davide2,3; Borisov, Kiril2,3; Atcheson, Gwenael2,3; Kampert, Erik4; Wang, Zhaosheng4,5; Yuan, Ye1
刊名PHYSICAL REVIEW B
出版日期2018-12-12
卷号98期号:22页码:6
ISSN号2469-9950
DOI10.1103/PhysRevB.98.220406
通讯作者Fowley, Ciaran(c.fowley@hzdr.de)
英文摘要Magnetotransport is investigated in thin films of the half-metallic ferrimagnet Mn-2 Ru-x,Ga in pulsed magnetic fields of up to 58 T. A nonvanishing Hall signal is observed over a broad temperature range, spanning the compensation temperature (155 K), where the net magnetic moment is strictly zero, the anomalous Hall conductivity is 6673 Omega(-1) m(-1), and the coercivity exceeds 9 T. Molecular field modeling is used to determine the intra- and intersublattice exchange constants, and from the spin-flop transition we infer the anisotropy of the electrically active sublattice to be 216 kJ m(-3) and predict the magnetic resonance frequencies. Exchange and anisotropy are comparable and hard-axis applied magnetic fields result in a tilting of the magnetic moments from their collinear ground state. Our analysis is applicable to collinear ferrimagnetic half-metal systems.
WOS关键词EMISSION
资助项目European Union's Horizon 2020 research and innovation programme[737038] ; Helmholtz Young Investigator Initiative Grant[VH-N6-1048] ; HLD at HZDR
WOS研究方向Materials Science ; Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000452992700003
资助机构European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; European Union's Horizon 2020 research and innovation programme ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; Helmholtz Young Investigator Initiative Grant ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR ; HLD at HZDR
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/40996]  
专题合肥物质科学研究院_中科院强磁场科学中心
通讯作者Fowley, Ciaran
作者单位1.Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, Bautzner Landstr 400, D-01328 Dresden, Germany
2.Trinity Coll Dublin, AMBER, Dublin 2, Ireland
3.Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland
4.Helmholtz Zentrum Dresden Rossendorf, Hochfeld Magnetlabor Dresden HLD EMFL, Bautzner Landstr 400, D-01328 Dresden, Germany
5.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Fowley, Ciaran,Rode, Karsten,Lau, Yong-Chang,et al. Magnetocrystalline anisotropy and exchange probed by high-field anomalous Hall effect in fully compensated half-metallic Mn2Rux Ga thin films[J]. PHYSICAL REVIEW B,2018,98(22):6.
APA Fowley, Ciaran.,Rode, Karsten.,Lau, Yong-Chang.,Thiyagarajah, Naganivetha.,Betto, Davide.,...&Deac, Alina Maria.(2018).Magnetocrystalline anisotropy and exchange probed by high-field anomalous Hall effect in fully compensated half-metallic Mn2Rux Ga thin films.PHYSICAL REVIEW B,98(22),6.
MLA Fowley, Ciaran,et al."Magnetocrystalline anisotropy and exchange probed by high-field anomalous Hall effect in fully compensated half-metallic Mn2Rux Ga thin films".PHYSICAL REVIEW B 98.22(2018):6.

入库方式： OAI收割

来源：合肥物质科学研究院

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