fig2

Chemical unit co-substitution enabling broadband and tunable near-infrared emission in garnet-type Lu<sub>3</sub>Sc<sub>2</sub>Ga<sub>3</sub>O<sub>12</sub>:Cr<sup>3+</sup> phosphors

Figure 2. (A) Room-temperature PLE (blue) and PL (red) spectra of Lu3Sc1.98Ga3O12:0.02Cr3+ phosphor. (B) Normalized PL spectra of Lu3Sc1.98-xMgxGa3-xSixO12:0.02Cr3+ (x = 0.0-0.6) excited by 440 nm light. (C) Peak wavelength and FWHM of Lu3Sc1.98-xMgxGa3-xSixO12:0.02Cr3+ (x = 0.0-0.9). (D) Tanabe-Sugano diagram of Cr3+ in the perfect octahedral environment. (E) Integrated intensity of PL spectra of Lu3Sc1.98-xMgxGa3-xSixO12:0.02Cr3+ (x = 0.0-0.9) excited by 440 nm light. (F) DR spectra of Lu3Sc1.98-xMgxGa3-xSixO12:0.02Cr3+ (x = 0.0-0.9).

Microstructures
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