The physical thickness of the rough VO2 layer may be increased to get the same emittance performance as the one of a device using {HEAD ~ an optimal physical thickness} of {TAIL ~ a smooth VO2 layer} 
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The physical thickness of the rough VO2 layer may be increased to get the same emittance performance as the one of a device using { HEAD ~ an optimal physical thickness } of { TAIL ~ a smooth VO2 layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL