Noncoplanar magnetic order in the breathing kagome lattice compound Pb(OF)Cu3(SeO3)2(NO3)

被引：3
|
作者：
Gu, Yimeng [1 ,2 ,3 ]
Kao, Zeyu [1 ,2 ,3 ]
Hao, Yiqing [4 ]
Zhu, Weiqin [1 ,2 ,3 ]
Zhang, Qiang [4 ]
Wu, Yan [4 ]
Xu, Changsong [1 ,2 ,3 ]
Cao, Huibo [4 ]
Zhao, Jun [1 ,2 ,3 ,5 ,6 ,7 ]
机构：
[1] Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[3] Shanghai Qi Zhi Inst, Shanghai 200230, Peoples R China
[4] Oak Ridge Natl Lab, Neutron Scattering Div, Oak Ridge, TN 37831 USA
[5] Fudan Univ, Inst Nanoelect Devices & Quantum Comp, Shanghai 200433, Peoples R China
[6] Shanghai Res Ctr Quantum Sci, Shanghai 201315, Peoples R China
[7] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
来源：
PHYSICAL REVIEW B | 2024年 / 109卷 / 02期
基金：
中国国家自然科学基金;
关键词：
BILBAO CRYSTALLOGRAPHIC SERVER; GROUND-STATE; JAROSITES; MODEL;
D O I：
10.1103/PhysRevB.109.024402
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report a comprehensive study investigating the magnetic ordering properties of the quasi-two-dimensionalbreathing kagome lattice compound Pb(OF)Cu3(SeO3)2(NO3) using neutron diffraction and thermodynamicmeasurements. A long-range magnetic order emerges below the Neel temperature,TN=18 K, characterized bya propagating vectork=(0,0,1.5). Refinement analysis reveals that the copper moments display a noncoplanararrangement, with theccomponents parallelly aligned within the breathing kagome plane and antiparallellyaligned between the layers. In-plane moment components form a chiral "tail-chase" structure. The magneticorder is quickly suppressed under moderate external fields applied both within and perpendicular to the kagomeplane. Potential magnetic interactions that may be associated with the noncoplanar chiral magnetic structure arediscussed
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页数：9
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