First-principles study of electronic and optical properties of lead-free double perovskites Cs 2 Na BX 6 ( B = Sb, Bi; X = Cl, Br, I)
2018 ◽
Vol 117
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pp. 117-121
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2020 ◽
Vol 124
(9)
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pp. 5371-5377
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2021 ◽
Vol 186
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pp. 110009
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