LELAND STANFORD JUNIOR UNIVERSITY WITH SANDIA NATIONAL LABORATORY AND NAVAL RESEARCH - CORRECT PRINCIPAL INVESTIGATOR NAME TO SRABANTI CHOWDHURY. CONTROL NUMBER: 1858-1794 TITLE: ''20 KV GALLIUM NITRIDE PN DIODE ELECTRO-MAGNETIC PULSE ARRESTOR FOR GRID RELIABILITY'' THE LELAND STANFORD JUNIOR UNIVERSITY, ALONG WITH SANDIA NATIONAL LABORATORIES AND NAVAL RESEARCH LABORATORY, WILL DESIGN A NEW TYPE OF EMP ARRESTOR BASED ON THE WIDE-BANDGAP SEMICONDUCTOR GALLIUM NITRIDE. THIS MATERIAL, WHICH IS ALREADY WIDELY DEPLOYED COMMERCIALLY IN AREAS SUCH AS LED-BASED SOLID-STATE LIGHTING, WILL BE USED TO FABRICATE AN EMP ARRESTOR THAT CAN RESPOND ON THE NANOSECOND TIMESCALE REQUIRED TO PROTECT AGAINST ALL EMP EVENTS. ----------