New Electron-Doped Superconducting Cuprate Li_x_Sr_2_CuO_2_Br_2_
Tetsuya Kajita, Masatsune Kato, Takashi Suzuki, Takashi Itoh, Takashi, Noji, Yoji Koike
TL;DR
This paper reports the synthesis of a new electron-doped cuprate superconductor, Li_x_Sr_2_CuO_2_Br_2_, exhibiting bulk superconductivity at 8 K, and being the first of its kind with a K_2_NiF_4_ structure.
Contribution
It introduces a novel electron-doped superconductor with a unique structure synthesized via electrochemical intercalation.
Findings
Superconductivity observed at 8 K in the new compound.
First electron-doped cuprate with K_2_NiF_4_ structure.
Bulk superconductivity confirmed through magnetic susceptibility.
Abstract
A new electron-doped superconductor Li_x_Sr_2_CuO_2_Br_2_ with x = 0.15 has successfully been synthesized by an electrochemical Li-intercalation technique. The magnetic susceptibility shows superconductivity of bulk with the superconducting transition temperature Tc = 8 K. This compound is the first electron-doped superconducting cuprate with the K_2_NiF_4_ structure.
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