| 摘要 |
A feed rod for growing a magnetic single crystal having a composition represented by the formula (Y3-aAa)(Fe5-b-cBb)O12-alpha, wherein A is at least one element selected from the lanthanoide series, B is at least one element selected from the group consisting of Ga, Al, In, and Sc, c is a value for decreasing the Fe content from the stoichiometric amount, alpha is a value for decreasing the oxygen content to satisfy the chemically neutral condition, and the relationships 0<=a>=0.5; 0<=b>=1.0; 0<c>=0.15 and 0<alpha are satisfied.
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