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Table 4 Valence band barrier height for each PNP-AlGaN junction of LEDs C1, C2, C3, C4, and C5

From: On the p-AlGaN/n-AlGaN/p-AlGaN Current Spreading Layer for AlGaN-based Deep Ultraviolet Light-Emitting Diodes

LEDs	C1	C2	C3	C4	C5
φ₁ (eV)	0.208	0.271	0.290	0.297	0.300
φ₂ (eV)	0.210	0.271	0.290	0.297	0.301

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