Curiously, when y increased from 0 to 0.2, both cell parameters and cell volume showed a decreasing trend, but when the replacement concentration was greater than 0.2, each parameter presented an increasing trend.
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Achievement of narrow-band blue-emitting phosphors KScSr<sub>1-<i>y</i></sub> Ca <sub><i>y</i></sub> Si<sub>2</sub>O<sub>7</sub>:Bi<sup>3+</sup> by the migration of luminescence centers.
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