Blue-Emitting Sr3Si8–xAlxO7+xN8–x:Eu2+ Discovered by a Single-Particle-Diagnosis Approach: Crystal Structure, Luminescence, Scale-Up Synthesis, and Its Abnormal Thermal Quenching Behavior
(Blue-Emitting Sr3Si8－xAlxO7+xN8－x:Eu2+ Discovered by a Single-Particle-Diagnosis Approach: Crystal Structure, Luminescence, Scale-Up Synthesis, and Its Abnormal Thermal Quenching Behavior)