Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3Nb S2 and Ni1/3Ta S2

Yeochan An; Pyeongjae Park; Chaebin Kim; Kaixuan Zhang; Hyeoncheol Kim; Maxim Avdeev; Jaewon Kim; Myung Joon Han; Han Jin Noh; Seungho Seong; J. S. Kang; Hyeong Do Kim; Je Geun Park

doi:10.1103/PhysRevB.108.054418

Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3Nb S2 and Ni1/3Ta S2

Yeochan An, Pyeongjae Park, Chaebin Kim, Kaixuan Zhang, Hyeoncheol Kim, Maxim Avdeev, Jaewon Kim, Myung Joon Han, Han Jin Noh, Seungho Seong, J. S. Kang, Hyeong Do Kim, Je Geun Park

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

3 Scopus citations

Abstract

TM1/3MS2 (TM=3d transition metal, M=Nb,Ta) has recently attracted increasing attention due to its wide variety of fascinating magnetic structures and the chiral arrangement of intercalated TM atoms. We investigated the bulk properties of Ni1/3NbS2 and Ni1/3TaS2 using magnetization, transport, heat capacity, powder neutron diffraction, and x-ray absorption spectroscopy. Ni1/3NbS2 undergoes a phase transition at 84 K, developing an antiferromagnetic helical order with a very long period along the c axis (33c). On the other hand, a simple A-type spin configuration was observed for Ni1/3TaS2 below 158 K, where the spins are aligned to the c axis. These magnetic structures, combined with lattice chirality and metallicity, can lead to various intriguing transport properties, making Ni1/3NbS2 and Ni1/3TaS2 promising material candidates for future studies on antiferromagnetic spintronics.

Original language	English
Article number	054418
Journal	Physical Review B
Volume	108
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.108.054418
State	Published - Aug 1 2023
Externally published	Yes

Funding

We thank Youjin Lee for valuable discussions. This work was supported by the Samsung Science & Technology Foundation (Grant No. SSTF-BA2101-05). J.-G.P. is partly funded by the Leading Researcher Program of the National Research Foundation of Korea (Grant No. 2020R1A3B2079375), and MSIT and POSTECH-supported experiments at PAL. J.-S.K. and S.S. acknowledge the support by the NRF (Grant No. 2019R1A2C1004929).

Funders	Funder number
National Research Foundation of Korea	2020R1A3B2079375, 2019R1A2C1004929
Ministry of Science, ICT and Future Planning
Samsung Science and Technology Foundation	SSTF-BA2101-05

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10.1103/PhysRevB.108.054418

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title = "Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3Nb S2 and Ni1/3Ta S2",

abstract = "TM1/3MS2 (TM=3d transition metal, M=Nb,Ta) has recently attracted increasing attention due to its wide variety of fascinating magnetic structures and the chiral arrangement of intercalated TM atoms. We investigated the bulk properties of Ni1/3NbS2 and Ni1/3TaS2 using magnetization, transport, heat capacity, powder neutron diffraction, and x-ray absorption spectroscopy. Ni1/3NbS2 undergoes a phase transition at 84 K, developing an antiferromagnetic helical order with a very long period along the c axis (33c). On the other hand, a simple A-type spin configuration was observed for Ni1/3TaS2 below 158 K, where the spins are aligned to the c axis. These magnetic structures, combined with lattice chirality and metallicity, can lead to various intriguing transport properties, making Ni1/3NbS2 and Ni1/3TaS2 promising material candidates for future studies on antiferromagnetic spintronics.",

author = "Yeochan An and Pyeongjae Park and Chaebin Kim and Kaixuan Zhang and Hyeoncheol Kim and Maxim Avdeev and Jaewon Kim and Han, {Myung Joon} and Noh, {Han Jin} and Seungho Seong and Kang, {J. S.} and Kim, {Hyeong Do} and Park, {Je Geun}",

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year = "2023",

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doi = "10.1103/PhysRevB.108.054418",

language = "English",

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T1 - Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3Nb S2 and Ni1/3Ta S2

AU - An, Yeochan

AU - Park, Pyeongjae

AU - Kim, Chaebin

AU - Zhang, Kaixuan

AU - Kim, Hyeoncheol

AU - Avdeev, Maxim

AU - Kim, Jaewon

AU - Han, Myung Joon

AU - Noh, Han Jin

AU - Seong, Seungho

AU - Kang, J. S.

AU - Kim, Hyeong Do

AU - Park, Je Geun

PY - 2023/8/1

Y1 - 2023/8/1

N2 - TM1/3MS2 (TM=3d transition metal, M=Nb,Ta) has recently attracted increasing attention due to its wide variety of fascinating magnetic structures and the chiral arrangement of intercalated TM atoms. We investigated the bulk properties of Ni1/3NbS2 and Ni1/3TaS2 using magnetization, transport, heat capacity, powder neutron diffraction, and x-ray absorption spectroscopy. Ni1/3NbS2 undergoes a phase transition at 84 K, developing an antiferromagnetic helical order with a very long period along the c axis (33c). On the other hand, a simple A-type spin configuration was observed for Ni1/3TaS2 below 158 K, where the spins are aligned to the c axis. These magnetic structures, combined with lattice chirality and metallicity, can lead to various intriguing transport properties, making Ni1/3NbS2 and Ni1/3TaS2 promising material candidates for future studies on antiferromagnetic spintronics.

AB - TM1/3MS2 (TM=3d transition metal, M=Nb,Ta) has recently attracted increasing attention due to its wide variety of fascinating magnetic structures and the chiral arrangement of intercalated TM atoms. We investigated the bulk properties of Ni1/3NbS2 and Ni1/3TaS2 using magnetization, transport, heat capacity, powder neutron diffraction, and x-ray absorption spectroscopy. Ni1/3NbS2 undergoes a phase transition at 84 K, developing an antiferromagnetic helical order with a very long period along the c axis (33c). On the other hand, a simple A-type spin configuration was observed for Ni1/3TaS2 below 158 K, where the spins are aligned to the c axis. These magnetic structures, combined with lattice chirality and metallicity, can lead to various intriguing transport properties, making Ni1/3NbS2 and Ni1/3TaS2 promising material candidates for future studies on antiferromagnetic spintronics.

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Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3Nb S2 and Ni1/3Ta S2

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