{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Xu D"],"funding":["National Natural Science Foundation of China"],"pagination":["35391-35399"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11538971"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(48)"],"pubmed_abstract":["Sodium and potassium have been doped into La<sub>7</sub>SrCu<sub>4</sub>O<sub>16-<i>δ</i></sub> to form La<sub>7+2<i>x</i></sub> Sr<sub>1-4<i>x</i></sub> K <sub><i>x</i></sub> Na <sub><i>x</i></sub> Cu<sub>4</sub>O<sub>16-<i>δ</i></sub> solid solutions by a solid-state reaction, which crystallizes in the <i>I</i>4/<i>mmm</i> space group when 0 ≤ <i>x</i> < 0.16 and <i>Fmmm</i> when 0.16 < <i>x</i> ≤ 0.25. With the equivalent replacement of four Sr<sup>2+</sup> by one Na<sup>+</sup>, one K<sup>+</sup> and two La<sup>3+</sup>, it is very interesting to find that <i>T</i> <sup>zero</sup> <sub>c</sub> (the definition is presented in the introduction part) of La<sub>7+2<i>x</i></sub> Sr<sub>1-4<i>x</i></sub> K <sub><i>x</i></sub> Na <sub><i>x</i></sub> Cu<sub>4</sub>O<sub>16-<i>δ</i></sub> does"],"journal":["RSC advances"],"pubmed_title":["Synthesis, structure, and superconductivity of La&lt;sub&gt;7+2&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Sr&lt;sub&gt;1-4&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; K &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Na &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Cu&lt;sub&gt;4&lt;/sub&gt;O&lt;sub&gt;16-&lt;i&gt;δ&lt;/i&gt;&lt;/sub&gt;."],"pmcid":["PMC11538971"],"funding_grant_id":["22175003"],"pubmed_authors":["Li G","Ju J","Yin C","Xu D","Geng J","Wang X","Wang Y","Cai G","Huang P","Wu X"],"additional_accession":[]},"is_claimable":false,"name":"Synthesis, structure, and superconductivity of La&lt;sub&gt;7+2&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Sr&lt;sub&gt;1-4&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; K &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Na &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; Cu&lt;sub&gt;4&lt;/sub&gt;O&lt;sub&gt;16-&lt;i&gt;δ&lt;/i&gt;&lt;/sub&gt;.","description":"Sodium and potassium have been doped into La<sub>7</sub>SrCu<sub>4</sub>O<sub>16-<i>δ</i></sub> to form La<sub>7+2<i>x</i></sub> Sr<sub>1-4<i>x</i></sub> K <sub><i>x</i></sub> Na <sub><i>x</i></sub> Cu<sub>4</sub>O<sub>16-<i>δ</i></sub> solid solutions by a solid-state reaction, which crystallizes in the <i>I</i>4/<i>mmm</i> space group when 0 ≤ <i>x</i> < 0.16 and <i>Fmmm</i> when 0.16 < <i>x</i> ≤ 0.25. With the equivalent replacement of four Sr<sup>2+</sup> by one Na<sup>+</sup>, one K<sup>+</sup> and two La<sup>3+</sup>, it is very interesting to find that <i>T</i> <sup>zero</sup> <sub>c</sub> (the definition is presented in the introduction part) of La<sub>7+2<i>x</i></sub> Sr<sub>1-4<i>x</i></sub> K <sub><i>x</i></sub> Na <sub><i>x</i></sub> Cu<sub>4</sub>O<sub>16-<i>δ</i></sub> does","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov","modification":"2025-04-06T23:50:52.003Z","creation":"2025-04-04T14:40:12.25Z"},"accession":"S-EPMC11538971","cross_references":{"pubmed":["39507688"],"doi":["10.1039/d4ra06045h"]}}