Unique optical properties of AlGaN alloys and related ultraviolet emitters
Deep UV photoluminescence spectroscopy has been employed to study the optical
properties of Al x Ga 1− x N alloys (0⩽ x⩽ 1). The emission intensity with polarization of
E⊥ c and the degree of polarization were found to decrease with increasing x. This is a
consequence of the fact that the dominant band edge emission in GaN (AlN) is with
polarization of E⊥ c (E∥ c). Our experimental results suggest that the decreased emission
efficiency in Al x Ga 1− x N alloys and related UV emitters could also be related with their …
properties of Al x Ga 1− x N alloys (0⩽ x⩽ 1). The emission intensity with polarization of
E⊥ c and the degree of polarization were found to decrease with increasing x. This is a
consequence of the fact that the dominant band edge emission in GaN (AlN) is with
polarization of E⊥ c (E∥ c). Our experimental results suggest that the decreased emission
efficiency in Al x Ga 1− x N alloys and related UV emitters could also be related with their …
[PDF][PDF] Unique optical properties of AlGaN alloys and related ultraviolet emitters
Deep UV photoluminescence spectroscopy has been employed to study the optical
properties of AlxGa1− xN alloys 0x 1. The emission intensity with polarization of E c and the
degree of polarization were found to decrease with increasing x. This is a consequence of
the fact that the dominant band edge emission in GaN AlN is with polarization of E c E c. Our
experimental results suggest that the decreased emission efficiency in AlxGa1− xN alloys
and related UV emitters could also be related with their unique polarization property, ie, the …
properties of AlxGa1− xN alloys 0x 1. The emission intensity with polarization of E c and the
degree of polarization were found to decrease with increasing x. This is a consequence of
the fact that the dominant band edge emission in GaN AlN is with polarization of E c E c. Our
experimental results suggest that the decreased emission efficiency in AlxGa1− xN alloys
and related UV emitters could also be related with their unique polarization property, ie, the …
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