Helical spin ordering in room-temperature metallic antiferromagnet Fe3Ga4

Brandon Wilfong; Adrian Fedorko; Danil R. Baigutlin; Olga N. Miroshkina; Xiuquan Zhou; Gregory M. Stephen; Adam L. Friedman; Vaibhav Sharma; Omar Bishop; Radhika Barua; Steven P. Bennett; Duck Young Chung; Mercouri G. Kanatzidis; Vasiliy D. Buchelnikov; Vladimir V. Sokolovskiy; Bernardo Barbiellini; Arun Bansil; Don Heiman; Michelle E. Jamer

doi:10.1016/j.jallcom.2022.165532

Helical spin ordering in room-temperature metallic antiferromagnet Fe₃Ga₄

Brandon Wilfong, Adrian Fedorko, Danil R. Baigutlin, Olga N. Miroshkina, Xiuquan Zhou, Gregory M. Stephen, Adam L. Friedman, Vaibhav Sharma, Omar Bishop, Radhika Barua, Steven P. Bennett, Duck Young Chung, Mercouri G. Kanatzidis, Vasiliy D. Buchelnikov, Vladimir V. Sokolovskiy, Bernardo Barbiellini, Arun Bansil, Don Heiman, Michelle E. Jamer^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Metallic Fe₃Ga₄ displays a complex magnetic phase diagram that supports an intermediate antiferromagnetic (AFM) helical spin structure (HSS) state at room temperature which lies between two ferromagnetic (FM) phases. Magnetic measurements along the three crystallographic axes were performed in order to develop a model for the temperature and field dependence of the HSS state. These results show that the AFM state is a helically ordered spiral propagating along the c-axis with the magnetic moments rotating in the ab-plane. Under applied magnetic field, the AFM state exhibits a metamagnetic transition to conical ordering before entering a fully field-polarized FM state at high fields. The conical ordering in the AFM state is anisotropic even within the ab-plane and may gives rise to Berry phase effects in transport measurements. Metallic conductivity from density of states computations was confirmed through resistivity measurements and no anomalous behavior was observed through the various magnetic transitions.

Original language	English (US)
Article number	165532
Journal	Journal of Alloys and Compounds
Volume	917
DOIs	https://doi.org/10.1016/j.jallcom.2022.165532
State	Published - Oct 5 2022

Funding

Research at the United States Naval Academy was supported by the NSF DMR-EPM 1904446 and ONR 1400844839. Work at Argonne (structural characterization by single crystal X-ray diffraction) was supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. Work at Northeastern University was partially supported by the National Science Foundation (USA) grant DMR-1905662 and the Air Force Office of Scientific Research (USA) award FA9550-20-1-0247 (A.F. and D.H.) and the US Department of Energy (DOE), Office of Science, Basic Energy Sciences Grant No. DE-SC0022216 (A.B.) and benefited from Northeastern University’s Advanced Scientific Computation Center and the Discovery Cluster and the National Energy Research Scientific Computing Center through DOE Grant No. DE-AC02-05CH11231 . We thank A. Feiguin for useful conversations. The work at LUT university was supported by the Ministry of Education and Culture (Finland). Spin-spiral calculations were supported by the RSF - Russian Science Foundation project No. 22-12-20032 . Calculations of ground state for FM, AFM states and their electronic properties were performed with the support of the Ministry of Science and Higher Education of the Russian Federation within the framework of the Russian State Assignment under contract No. 075-01391-22-00 . O.N.M. acknowledges the DFG ( German Research Foundation ) within CRC/TRR 270, project no. 405553726 .

Keywords

Density functional theory (DFT)
Growth from vapor
Magnetically ordered materials
Metamagnetism
Transition metal alloy and compounds

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/j.jallcom.2022.165532

Cite this

Wilfong, B., Fedorko, A., Baigutlin, D. R., Miroshkina, O. N., Zhou, X., Stephen, G. M., Friedman, A. L., Sharma, V., Bishop, O., Barua, R., Bennett, S. P., Chung, D. Y., Kanatzidis, M. G., Buchelnikov, V. D., Sokolovskiy, V. V., Barbiellini, B., Bansil, A., Heiman, D., & Jamer, M. E. (2022). Helical spin ordering in room-temperature metallic antiferromagnet Fe₃Ga₄. Journal of Alloys and Compounds, 917, Article 165532. https://doi.org/10.1016/j.jallcom.2022.165532

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title = "Helical spin ordering in room-temperature metallic antiferromagnet Fe3Ga4",

abstract = "Metallic Fe3Ga4 displays a complex magnetic phase diagram that supports an intermediate antiferromagnetic (AFM) helical spin structure (HSS) state at room temperature which lies between two ferromagnetic (FM) phases. Magnetic measurements along the three crystallographic axes were performed in order to develop a model for the temperature and field dependence of the HSS state. These results show that the AFM state is a helically ordered spiral propagating along the c-axis with the magnetic moments rotating in the ab-plane. Under applied magnetic field, the AFM state exhibits a metamagnetic transition to conical ordering before entering a fully field-polarized FM state at high fields. The conical ordering in the AFM state is anisotropic even within the ab-plane and may gives rise to Berry phase effects in transport measurements. Metallic conductivity from density of states computations was confirmed through resistivity measurements and no anomalous behavior was observed through the various magnetic transitions.",

keywords = "Density functional theory (DFT), Growth from vapor, Magnetically ordered materials, Metamagnetism, Transition metal alloy and compounds",

author = "Brandon Wilfong and Adrian Fedorko and Baigutlin, {Danil R.} and Miroshkina, {Olga N.} and Xiuquan Zhou and Stephen, {Gregory M.} and Friedman, {Adam L.} and Vaibhav Sharma and Omar Bishop and Radhika Barua and Bennett, {Steven P.} and Chung, {Duck Young} and Kanatzidis, {Mercouri G.} and Buchelnikov, {Vasiliy D.} and Sokolovskiy, {Vladimir V.} and Bernardo Barbiellini and Arun Bansil and Don Heiman and Jamer, {Michelle E.}",

note = "Publisher Copyright: {\textcopyright} 2022",

year = "2022",

month = oct,

day = "5",

doi = "10.1016/j.jallcom.2022.165532",

language = "English (US)",

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Wilfong, B, Fedorko, A, Baigutlin, DR, Miroshkina, ON, Zhou, X, Stephen, GM, Friedman, AL, Sharma, V, Bishop, O, Barua, R, Bennett, SP, Chung, DY, Kanatzidis, MG, Buchelnikov, VD, Sokolovskiy, VV, Barbiellini, B, Bansil, A, Heiman, D & Jamer, ME 2022, 'Helical spin ordering in room-temperature metallic antiferromagnet Fe₃Ga₄', Journal of Alloys and Compounds, vol. 917, 165532. https://doi.org/10.1016/j.jallcom.2022.165532

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T1 - Helical spin ordering in room-temperature metallic antiferromagnet Fe3Ga4

AU - Wilfong, Brandon

AU - Fedorko, Adrian

AU - Baigutlin, Danil R.

AU - Miroshkina, Olga N.

AU - Zhou, Xiuquan

AU - Stephen, Gregory M.

AU - Friedman, Adam L.

AU - Sharma, Vaibhav

AU - Bishop, Omar

AU - Barua, Radhika

AU - Bennett, Steven P.

AU - Chung, Duck Young

AU - Kanatzidis, Mercouri G.

AU - Buchelnikov, Vasiliy D.

AU - Sokolovskiy, Vladimir V.

AU - Barbiellini, Bernardo

AU - Bansil, Arun

AU - Heiman, Don

AU - Jamer, Michelle E.

PY - 2022/10/5

Y1 - 2022/10/5

N2 - Metallic Fe3Ga4 displays a complex magnetic phase diagram that supports an intermediate antiferromagnetic (AFM) helical spin structure (HSS) state at room temperature which lies between two ferromagnetic (FM) phases. Magnetic measurements along the three crystallographic axes were performed in order to develop a model for the temperature and field dependence of the HSS state. These results show that the AFM state is a helically ordered spiral propagating along the c-axis with the magnetic moments rotating in the ab-plane. Under applied magnetic field, the AFM state exhibits a metamagnetic transition to conical ordering before entering a fully field-polarized FM state at high fields. The conical ordering in the AFM state is anisotropic even within the ab-plane and may gives rise to Berry phase effects in transport measurements. Metallic conductivity from density of states computations was confirmed through resistivity measurements and no anomalous behavior was observed through the various magnetic transitions.

AB - Metallic Fe3Ga4 displays a complex magnetic phase diagram that supports an intermediate antiferromagnetic (AFM) helical spin structure (HSS) state at room temperature which lies between two ferromagnetic (FM) phases. Magnetic measurements along the three crystallographic axes were performed in order to develop a model for the temperature and field dependence of the HSS state. These results show that the AFM state is a helically ordered spiral propagating along the c-axis with the magnetic moments rotating in the ab-plane. Under applied magnetic field, the AFM state exhibits a metamagnetic transition to conical ordering before entering a fully field-polarized FM state at high fields. The conical ordering in the AFM state is anisotropic even within the ab-plane and may gives rise to Berry phase effects in transport measurements. Metallic conductivity from density of states computations was confirmed through resistivity measurements and no anomalous behavior was observed through the various magnetic transitions.

KW - Density functional theory (DFT)

KW - Growth from vapor

KW - Magnetically ordered materials

KW - Metamagnetism

KW - Transition metal alloy and compounds

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