Electrochemical synthesis of alkali-intercalated iron selenide superconductors<xref ref-type="fn" rid="cpb152144fn1">*</xref>

Electrochemical synthesis of alkali-intercalated iron selenide superconductors*

Shen Shi-Jie^a), Ying Tian-Ping^a), Wang Gang^a), Jin Shi-Feng^a), Zhang Han^a), Lin Zhi-Ping^a), Chen Xiao-Long^a),^b)

(a) PXRD patterns for parent FeSe and K-intercalated FeSe. The reflection marked by (*) is assigned to the Al substrate. (b) PXRD patterns for parent FeSe and Na-intercalated FeSe. The arrow shows the (002) peak.