Superconductivity in a van der Waals layered quasicrystal

Yuki Tokumoto (), Kotaro Hamano, Sunao Nakagawa, Yasushi Kamimura, Shintaro Suzuki, Ryuji Tamura and Keiichi Edagawa ()
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Yuki Tokumoto: The University of Tokyo
Kotaro Hamano: The University of Tokyo
Sunao Nakagawa: The University of Tokyo
Yasushi Kamimura: The University of Tokyo
Shintaro Suzuki: Aoyama Gakuin University
Ryuji Tamura: Tokyo University of Science
Keiichi Edagawa: The University of Tokyo

Nature Communications, 2024, vol. 15, issue 1, 1-7

Abstract: Abstract Van der Waals layered transition-metal chalcogenides are drawing significant attention owing to their intriguing physical properties. This group of materials consists of abundant members with various elements, having a variety of different structures. However, they are all crystalline materials, and the physical properties of van der Waals layered quasicrystals have never been studied to date. Here, we report on the discovery of superconductivity in a van der Waals layered quasicrystal of Ta1.6Te. The electrical resistivity, magnetic susceptibility, and specific heat of the quasicrystal unambiguously validate the occurrence of bulk superconductivity at a transition temperature of ~1 K. This discovery can promote new research on assessing the physical properties of novel van der Waals layered quasicrystals as well as two-dimensional quasicrystals; moreover, it paves the way toward new frontiers of superconductivity in thermodynamically stable quasicrystals.

Date: 2024
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DOI: 10.1038/s41467-024-45952-2

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