Abstract The effects of the substitution of Li for Mg in Mg1-xLixB2(x=0,0.1,0.2) on their structure and superconductivity have been investigated. It has been found by X-ray diffraction that the substitution of Li for Mg with x=0.1 and 0.2 does not cause phase transformation in these samples. However,the measurements of temperature-dependent normalized magnetization indicate the loss of superconductivity with the increase of Li content in these samples.
Received: 09 March 2001
Revised: 28 July 2000
Accepted manuscript online:
PACS:
74.62.-c
(Transition temperature variations, phase diagrams)
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