国际合作中心报告 2025年第19期
题目: Dimensional Crossover and Anisotropy in Exfoliated Kagome Superconductor CsV3Sb5
时间: 2025年09月01日 10:00
报告人: Dr. Haijing Zhang

Max-Planck-Institute for Chemical Physics of Solids, Dresden, Germany

Abstract:

In this talk, I will present our recent progress in understanding the superconducting properties of exfoliated kagome metal CsV3Sb5. I will begin with clean-limit 2D superconductivity in thick exfoliated films [1], and then discuss an anomalous dimensional crossover in the superconducting regime. Finally, I will address challenges in identifying intrinsic in-plane anisotropy through angular magnetotransport measurements, showing how extrinsic factors like current direction and vortex motion can dominate observed anisotropies [2]. Collectively, these findings establish CsV3Sb5 as an exceptional platform for studying dimensionality and provide insights into probing anisotropic responses in layered quantum materials.

References

[1] F. Sun, A. C. Salinas, S. D. Wilson and H. Zhang*, arXiv: 2408.08117 (2024).

[2] Y-C, Yao, F. Sun, A. C. Salinas, S. D. Wilson, P. D. C. King, H. Zhang*, under review.

Brief CV of Dr. Haijing Zhang:

张海婧,博士毕业于香港科技大学,随后在日内瓦大学进行博士后研究,现任德国马克斯·普朗克固体化学物理研究所课题组组长。研究主要聚焦于微纳米尺度量子材料的输运特性,并通过器件设计实现对量子态的调控与探索。目前已发表学术论文二十余篇,其中以(共同)第一作者/通讯作者身份在 Nat. Nanotechnol., Phys. Rev. Lett., Adv. Sci.等期刊发表多篇论文。担任《物理学前沿》(Frontiers of Physics)期刊编委,并独立主持马克斯·普朗克学会科研项目。

报告地点:M楼236会议室

腾讯会议ID:615-842-154

会议密码:0901

主 持 人:周毅 研究员

联 系 人:傅琦 (82649469)