| 申请日期 | 2025-06-29 | 申请号 | WOJP17004948 |
| 公开（公告）号 | WO2017138643A1 | 公开（公告）日 | 2017-08-17 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY | ||
| 简介 | [Problem] To provide a ruthenium compound which shows large negative thermal expansion. [Solution] A ruthenium oxide of the present disclosure is represented by general formula (1) Ca2-xRxRu1-yMyO4+z (in formula (1), R represents at least one element selected from among alkaline earth metals and rare earth elements; M represents at least one element selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ga; 0 ≤ x < 0.2; 0 ≤ y < 0.3; and -1 < z < -0.02). | ||
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