Realization of the transition from an indirect band gap to a direct band gap through halogen regulation in the Cs-Ag-X system
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Scintillation crystals need to have a direct band gap. Here, two new optical crystals, CsAgICl and Cs2AgBr2I, were obtained through halogen regulation, achieving the transition from an indirect band gap (CsAgCl2) to a direct band gap. This work enriches the st... ...
