略語大辞典 [Phys] 29 IFVD impurity-free vacancy diffusion (半導体量子井戸構造での)不純物無添加空乏拡散. 吸収端を短波長側へシフトさせる手法.impurity-free vacancy diffusion; in semiconductor QW(quantum well) structure; uses native defects to produce enhanced intermixing at the well-barrier interface; results in bandgap increase and in reduction of 丸善「略語大辞典」JLogosID : 11878234