Bulk properties of the chiral metallic triangular antiferromagnets Ni1/3NbS2 and Ni1/3TaS2

被引：8

作者：

An, Yeochan ^{[1
,2
]}

Park, Pyeongjae ^{[1
,2
]}

Kim, Chaebin ^{[1
,2
]}

Zhang, Kaixuan ^{[1
,2
]}

Kim, Hyeoncheol ^{[1
,2
]}

Avdeev, Maxim ^{[3
,4
]}

Kim, Jaewon ^{[5
]}

Han, Myung-Joon ^{[5
]}

Noh, Han-Jin ^{[6
]}

Seong, Seungho ^{[7
]}

Kang, J. -s. ^{[7
]}

Kim, Hyeong-Do ^{[8
]}

Park, Je-Geun ^{[1
,2
]}

机构：

[1] Seoul Natl Univ, Ctr Quantum Mat, Seoul 08826, South Korea

[2] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea

[3] Australian Nucl Sci & Technol Org, Locked Bag 2001, Kirrawee Dc, NSW 2232, Australia

[4] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia

[5] Korea Adv Inst Sci & Technol, Dept Phys, Taejon, South Korea

[6] Chonnam Natl Univ, Dept Phys Educ, Gwangju 61186, South Korea

[7] Catholic Univ Korea, Dept Phys, Bucheon 14662, South Korea

[8] PAL XFEL, Pohang Accelerator Lab, Pohang 37673, Gyeongbuk, South Korea

来源：

PHYSICAL REVIEW B | 2023年 / 108卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

TOTAL-ENERGY CALCULATIONS; TANTALUM DICHALCOGENIDES; NIOBIUM; FERROMAGNETISM; ANISOTROPY;

D O I：

10.1103/PhysRevB.108.054418

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

T M1/3MS2 (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.

引用

页数：11

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