Strong Enhancement of g-Factor in PbTe–Pb Hybrid Nanowires

We report large Landé g-factors observed in PbTe-Pb hybrid nanowires. The g-factor can reach 83, significantly larger than those in bare PbTe nanowires (typically below 20). We attribute this enhancement to orbital effects in the superconducting film, particularly when the magnetic field is nearly perpendicular to the Pb film. This enhancement is beneficial for the search for topological superconductivity by reducing the critical magnetic field required for the phase transition.

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Publication Details

Journal
Nano Letters
Published
2026-04-01
DOI
https://doi.org/10.1021/acs.nanolett.6c00436
Primary Topic
Surface and Thin Film Phenomena
Type
article
Field-Weighted Citation Impact
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article

Strong Enhancement of g-Factor in PbTe–Pb Hybrid Nanowires

Zehao Yu, Yunyi Zang, Shuo Yang, Xiao Feng et al.
Nano Letters
Surface and Thin Film Phenomena
article

Strong Enhancement of g-Factor in PbTe–Pb Hybrid Nanowires

Zehao Yu, Yunyi Zang, Shuo Yang, Xiao Feng, Weimin Song, Zheng Wang, Zonglin Li, Lining Yang, Qian Xue, Zeyu Yan, H. Y. Zhang, Jiaye Xu, Tiantian Wang, Lin Li, Runan Shang, Yuhao Wang, Ruidong Li, Ke He, Yichun Gao, Shan Zhang
article en

Abstract

We report large Landé g-factors observed in PbTe-Pb hybrid nanowires. The g-factor can reach 83, significantly larger than those in bare PbTe nanowires (typically below 20). We attribute this enhancement to orbital effects in the superconducting film, particularly when the magnetic field is nearly perpendicular to the Pb film. This enhancement is beneficial for the search for topological superconductivity by reducing the critical magnetic field required for the phase transition.

Nano Letters
ON Semiconductor (United States) (US), Southern University of Science and Technology (CN), Hefei University (CN), Global Communication Semiconductors (United States) (US), Beijing Academy of Quantum Information Sciences (CN), State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University (CN)
Openalex Percentile: Top 6%
Surface and Thin Film Phenomena
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