What is a Schottky rectifier, Recovery diode, Schottky barrier rectifiers

 Schottky Diodes & Rectifiers 5A HV Schottky 100Vr 5.0A 0.71

https://www.futureelectronics.com/p/semiconductors--discretes--diodes--schottky-diodes/pds5100hq-13-diodes-incorporated-7105313