Toward 1D Transport in 3D Materials: SOC-Induced Charge-Transport Anisotropy in Sm3ZrBi5

被引:4
作者
Khoury, Jason F. [1 ]
Han, Bingzheng [2 ]
Jovanovic, Milena [1 ]
Queiroz, Raquel [3 ]
Yang, Xiao [2 ]
Singha, Ratnadwip [1 ]
Salters, Tyger H. [1 ]
Pollak, Connor J. [1 ]
Lee, Scott B. [1 ]
Ong, N. P. [2 ]
Schoop, Leslie M. [1 ]
机构
[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA
[2] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
[3] Columbia Univ, Dept Phys, New York, NY 10027 USA
基金
美国国家科学基金会;
关键词
anisotropic charge transport; spin-orbit coupling; topological materials; PHYSICAL-PROPERTIES; LUTTINGER; FERROMAGNETS; BISMUTHIDES; LIQUIDS; RE; LA; ND; HF;
D O I
10.1002/adma.202404553
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
1D charge transport offers great insight into strongly correlated physics, such as Luttinger liquids, electronic instabilities, and superconductivity. Although 1D charge transport is observed in nanomaterials and quantum wires, examples in bulk crystalline solids remain elusive. In this work, it is demonstrated that spin-orbit coupling (SOC) can act as a mechanism to induce quasi-1D charge transport in the Ln(3)MPn(5) (Ln = lanthanide; M = transition metal; Pn = Pnictide) family. From three example compounds, La3ZrSb5, La3ZrBi5, and Sm3ZrBi5, density functional theory calculations with SOC included show a quasi-1D Fermi surface in the bismuthide compounds, but an anisotropic 3D Fermi surface in the antimonide structure. By performing anisotropic charge transport measurements on La3ZrSb5, La3ZrBi5, and Sm3ZrBi5, it is demonstrated that SOC starkly affects their anisotropic resistivity ratios (ARR) at low temperatures, with an ARR of approximate to 4 in the antimonide compared to approximate to 9.5 and approximate to 22 (approximate to 32 after magnetic ordering) in La3ZrBi5 and Sm3ZrBi5, respectively. This report demonstrates the utility of spin-orbit coupling to induce quasi-low-dimensional Fermi surfaces in anisotropic crystal structures, and provides a template for examining other systems.
引用
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页数:8
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