Crystal Phase Control and Room-Temperature Random Lasing in Multiperiod GaAs/AlGaAs Axial Heterostructure Nanowires via Al-Mediated Catalyst Engineering
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Semiconductor axial heterostructure nanowires (NWs) offer unique advantages for nanophotonics but face challenges in achieving high crystal phase uniformity due to nucleation instability during growth, which limits their optoelectronic performance. In this stu... ...