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Ruthenium oxide and ruthenium oxide production

2025-06-18 05:151390下载
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A ruthenium compound exhibits large negative thermal expansion. The ruthenium oxide is represented by the formula (1) Ca2−xRxRu1−yMyO4+z (wherein 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; and the following relations are satisfied : 0≤x<0.2, 0≤y<0.3, and −1
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