abstract |
Wherein the indium element (In), the gallium element (Ga) and the tin element (Sn) are contained in the atomic ratios of the following formulas (1) to (3). [Equation 1] 0.10? In / (In + Ga + Sn)? 0.60 &Quot; (2) " 0.10? Ga / (In + Ga + Sn)? 0.55 &Quot; (3) " 0.0001 < Sn / (In + Ga + Sn) < = 0.60 |