de
en
Schliessen
Detailsuche
Bibliotheken
Projekt
Impressum
Datenschutz
zum Inhalt
Detailsuche
Schnellsuche:
OK
Ergebnisliste
Titel
Titel
Inhalt
Inhalt
Seite
Seite
Im Dokument suchen
Fedl, Valentin: Development of infrared silicon BIB detectors with integrated linear amplificationEntwicklung von Silizium Infrarot BIB-Detektoren mit integrierter linearer Verstärkung. 2011
Inhalt
Abstract
Kurzfassung
Contents
Introduction
Motivation
Overview
Infrared detectors
Thermal detectors
Photodetectors
The conventional extrinsic photodetector
Energy band structure and functional principle
Drawbacks
The concept of a BIB detector with integrated linear amplification
Fundamental concept of the BIB structure
Energy band structure of heavily doped Silicon
The BIB structure
The DEPFET detector concept
Functional principle
The combination DEPFET - BIB
The properties of doped semiconductors at cryogenic temperatures
The hydrogen model of shallow donor states
The Poole-Frenkel effect
The metal-insulator transition
Insulating regime
Intermediate regime
Metallic regime
Mobility
The investigation of the DEPFET at cryogenic conditions
Setup for the DEPFET
Thermal control
Readout
Characterisation of the p-MOSFET
Spectroscopic measurements
Sample schemes
Clear performance
Amplification
The investigation of BIB detector test structures
Material and Design of the BIB structure device
Setup for the BIB structure measurements
Thermal control
Biasing and readout
Electron transport measurements
The blocking mechanism and impurity band conduction
Intrinsic electric fields
Influence of the p+-contact
The reset mechanism of the DEPFET at cryogenic temperatures
The reset problem at cryogenic temperatures
Freeze-out of free charge carriers
A new method for the reset
Model
Electric field enhanced emission
Electric field dependent recombination
DEPFET Simulation
Electron transport in the internal gate
The finite difference method
Description
Electron dynamics
Experimental results and discussion
Dependence on the gate- and clear pulse width
Gate pulse
Temperature dependence
Review of the experimental and theoretical methods
Future prospects
Proposal for a new design
Source pulsing
Burst mode
Summary of chapter 6
Conclusion
References