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Tantalum pentoxide is one such substance that has been regularly utilized for numerous applications as an antireflective layer, including batteries and MOF-based capacitors. Due to its affordability at a lower cost compared to other dielectric materials like Hafnium Oxide having similar optical, electrical, and morphological properties, our attempt is to apply it for a different purpose, i.e., a spacer layer sandwiched between two metals to fulfill the demand of thermal management using thin film heterostructures or radiative cooling technology. The fabrication method and optical characteristics of tantalum pentoxide on BK-7 substrate have been explored in this paper. The optical studies having Vis– NIR range indicated high transparency in visible region (average transmission ∼80%). The thickness of the films was measured through the Filmmetrics F10-RT thin film analyzer and the values were compared to set values during deposition. Consequently, a technique to illustrate its use on glass doors, windows and rooftops has been suggested by evaluating the optical constants of such coatings. [ABSTRACT FROM AUTHOR]

In this paper, "fixed point" theorems of a nonlinear operator are developed, where the domain space is C ([a,b], B) and range space is B, which is a "partial b-metric space" with some conditions. Some results are improved and generalized for "PPF dependent fixed point" in "partial b-metric space". [ABSTRACT FROM AUTHOR]