The rise of III-nitrides : an introduction -- The evolution of nitride semiconductors -- Technology of MOVPE production tools -- MOCVD growth of Group III nitrides for high-power, high-frequency applications -- Growth of nitride quantum dots -- A1N epitaxial layers for UV photonics -- Properties of III-V Nitrides substrates and homoepitaxial layers -- III-nitride ultraviolet light emitting sources -- III-nitride UV photoconductors -- Quaternary InAlGaN-based UV LEDs -- design and fabrication of GaN high power rectifiers -- GaN negative differential resistance components with terahertz operation capability : from fundamentals to devices -- Ferromagnetism in GaN and related materials -- Phonons and electron-phonon interactions in III-nitride bulk and dimensionally confined semiconductors and their device implications -- Phase separation and ordering in cubic ternary and quaternary nitride alloys -- Electronic properties of intrinsic and heavily doped 3C-, nH-SiC (n=2, 4, 6) and III-N (III=B, Al, Ga, In).