1：Experimental Design and Method Selection:

The study uses a soft mechanochemical pretreatment in a stirred media mill followed by calcination to synthesize SrAl2O4:Eu2+, Dy3+ phosphor. The method aims to reduce calcination temperature and improve properties.

2：Sample Selection and Data Sources:

Precursor mixtures of SrCO3, Al2O3, Eu2O3, Dy2O3, and H3BO3 flux are used, ground at various durations (0, 20, 60, 120, 180 min).

3：List of Experimental Equipment and Materials:

Equipment includes a W-

4：1 high-energy density stirred media mill, SK-G08163-2-600 electrical furnace, BT-9300S laser particle size analyzer, FlowSorb III surface area analyzer, Empyrean X-ray diffractometer, EVO18 scanning electron microscope, VERTEX 33 FTIR spectroscope, LabsysSTA differential scanning calorimeter, Escalab 250Xi XPS spectroscope, Fluoromax-4LC spectrofluorophotometer, and a designed ML measurement apparatus. Materials include SrCO3, Al2O3, Eu2O3, Dy2O3, H3BO3, deionized water, alumina beads, alcohol, epoxy resin. Experimental Procedures and Operational Workflow:

Precursors are mixed stoichiometrically, ground in the mill with specified parameters, dried, calcined in reducing atmosphere at various temperatures, ground manually, sieved, and formed into disks for ML measurement. Characterization involves particle size analysis, XRD, SEM, DSC, FTIR, XPS, PL, and ML measurements.

5：Data Analysis Methods:

Data analyzed using Jade software for XRD, Kissinger method for activation energy, and standard techniques for other measurements.