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Full-Text Articles in Engineering
Development Of Micro-Sized Algan Deep Ultraviolet Light Emitting Diodes And Monolithic Photonic Integrated Circuits, Richard Speight Floyd Iii
Development Of Micro-Sized Algan Deep Ultraviolet Light Emitting Diodes And Monolithic Photonic Integrated Circuits, Richard Speight Floyd Iii
Theses and Dissertations
III-Nitride materials-based visible emission LEDs have emerged as a disruptive technology in the fields of lighting,i) communications,ii,iii,iv) and displays.v,vi) Shorter wavelength LEDs in the DUV spectral region (210nm – 360nm) with ultra-wide bandgap (UWBG) AlxGa1-xN active layers are now poised to displace toxic Mercury-based light sources.vii) Over the past decade AlGaN LEDs operating in the deep ultra-violet (DUV) spectral region (200 nm < λemission < 300 nm) have been deployed in novel applications including autonomous drone-based sterilization and sanitization systems, viii) point-of-use water purification systems, ix) photo-therapeutics,x) gas sensors,xi) and non-line-of-sight (NLOS) communications.xii) Similarly, DUV light detectors using ultra-wide bandgap (UWBG) Al …
Growth, Characterization And Evaluation Of Cdzntese Single Crystals For Room Temperature Radiation Detectors, Ritwik Nag
Growth, Characterization And Evaluation Of Cdzntese Single Crystals For Room Temperature Radiation Detectors, Ritwik Nag
Theses and Dissertations
In this research work Cd0.9Zn0.1Te0.03Se0.97 (CZTS) single crystals were grown using in-house zone refined 7N (99.99999%) purity elements through vertical Bridgman (VBM) method and vertical gradient freeze (VGF) method. The morphological, compositional, and structural characteristics were then performed on the grown CZTS crystals. The x-ray diffraction (XRD) analysis on the grown crystals showed sharp diffraction peaks indicating a highly crystalline nature, with a lattice constant of ~6.45 Å. The elemental and stoichiometric ratio of the grown CZTS crystals were examined by using energy-dispersive x-ray analysis (EDX), which confirmed the formation of the quaternary …