COMPOUND SEMICONDUCTOR LAYER LAMINATE AND METHOD FOR FORMING SAME, AND LIGHT-EMITTING DEVICE

WIPO Patent Application WO/2020/213388

A1

This compound semiconductor layer laminate comprises: an island-shaped first layer 11 formed on a substrate 14 and composed of Ａｌx1Ｉｎy1Ｇａ(1-x1-y1)Ｎ; a second layer 12 formed on the first layer 11 and composed of Ａｌx2Ｉｎy2Ｇａ(1-x2-y2)N; and a third layer 13 formed on the entire surface including the top of the second layer 12 and composed of Ａｌx3Ｇａ(1-x3)Ｎ (where 0≤x1<1, 0≤x2<1, 0≤x3<1, 0≤y1<1, and 0