Computerized DLTS system to characterize deep levels in semiconductors

A computerized system for deep level characterization in semiconductors has been set up. It is based on the well known DLTS (Deep Level Transient Spectroscopy) technique, but high versatility for data manipulation is achieved through an analog-to-digital conversion card (A/D) that digitizes capacitance transients. These transients are analyzed to provide information on the traps within the semiconductor. A PC-based program in Basic control acquisition, storage, analysis and presentation of results. The system is able of obtaining the desired parameters by only one temperature scan, which is an important advantage, taking into account the experimental time experimentally needed for the measurement. Experimental results for a silicon PIN power structure are shown, to illustrate its performance.

Saved in:
Bibliographic Details
Main Authors: Ávila García,Alejandro, Reyes Barranca,Mario Alfredo
Format: Digital revista
Language:English
Published: Sociedad Mexicana de Física 2002
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0035-001X2002000600009
Tags: Add Tag
No Tags, Be the first to tag this record!