Profiling of carrier lifetime and electrical characteristics in PIN and LGAD structures

29 Nov 2022, 09:30
20m
Salón de Grados, 2nd Floor (ETSI Seville)

Salón de Grados, 2nd Floor

ETSI Seville

Escuela Técnica Superior de Ingenieros Camino de los Descubrimientos s/n 41092 Isla de la Cartuja, Sevilla Spain

Speaker

Tomas Ceponis (Vilnius University)

Description

Carrier lifetime profiles, measured by diode (PIN and LGAD) edge scanning of microwave probed photoconductivity transients, are considered. The obtained carrier lifetime profiles are compared with the electrical (C V, I V) characteristics obtained on the same structures. It is shown that carrier lifetime variations correspond to the dopant density variations extracted using C-V characteristics within base region of the diodes. Additionally, the profiles of carrier recombination lifetime in structures irradiated by stopped protons are discussed.

Primary authors

Prof. Eugenijus Gaubas (Vilnius University) Dr Giulio Pellegrini (The Institute of Microelectronics of Barcelona) Dr Jevgenij Pavlov (Vilnius University) Dr Laimonas Deveikis (Vilnius University) Mr Rytis Markevicius (Vilnius University) Tomas Ceponis (Vilnius University) Dr Vytautas Rumbauskas (Vilnius University)

Presentation materials