相对尺寸较小的溶质原子占据溶剂或晶格原子之间间隙位置所形成的固溶体。
A solid solution wherein relatively small solute atoms occupy interstitial positions between the solvent or host atoms.
溶剂热法制备的铁氧体样品中，铈离子以三价形式存在，因而主要占据尖晶石晶格的B位。
The cerium in the sample prepared by solvent-thermal method exists as Ce3+, and it mostly occupies position B of spinel.
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