Text this: Spectroscopic study and energy transfer behavior of Gd<sup>3+</sup> to Dy<sup>3+</sup> for Li<inf>2</inf>O–MgO-Gd<inf>2</inf>O<inf>3</inf>–B<inf>2</inf>O<inf>3</inf>–Dy<inf>2</inf>O<inf>3</inf> glasses for white emission material

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