| 摘要 |
<p>An alloy which comprises, as a main phase, at least one phase selected from the group consisting of a first phase having a hexagonal crystal system (exclusive of a phase having CaCu5 type structure) and a second phase having a rhombohedral crystal system and a phase having AB2 type structure in a content of 0 to 10 vol % and which has a composition represented by the following general formula (1): R1-a-b MgaTbNi¿Z-X-Y-α? M1XM2yMnα.</p> |
