Figure 1 | Pulse-growth modes of digital alloy barriers. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 1 | Pulse-growth modes of digital alloy barriers.

Caption

Figure 1 | Pulse-growth modes of digital alloy barriers. a, Schematic structure of weak-PEF QWs. b, Schematic illustration of three pulse-growth modes. c, Photoluminescence spectra of weak-PEF QWs. The barriers of MQWs-1, MQWs-2, and MQWs-3 are grown by Pulse-1, Pulse-2, and Pulse-3, respectively, while the barriers of MQWs-4 are grown by Pulse-3 with further modulated NH3 flow rate. d, Growth models of DA barriers under different pulse-growth modes.

Credit

Yuantao Zhang et al.

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