|
uE4006 Nanotechnology
Module Objective: To
describe the principles and fundamental building blocks of key nanoscale devices
and technologies.
Module Content: Nanoelectronics:
Introduction to low dimensional physics; transport in low dimensional systems;
heterostructure devices; quantum device operation. Nanophotonics: Band structure
engineering for photonic devices; photonic device fabrication technologies;
survey of key devices: LEDs, RCLEDs, VCSELs, microdisks, quantum dot devices,
single photon devices. Emerging technologies: Mesoscopic physics: wave function
coherence, tunnelling; devices based on ballistic transport, single charge
tunnelling, resonant tunnelling; fabrication and assembly at the nanoscale;
nanoscale visualisation and characterisation; molecular scale electronic
devices.
"Nanoelectronics" (16 lectures - Aidan Quinn)
Introduction
- Nanotechnology’s potential
- International Technology Roadmap for
Semiconductors
- Top-down vs Bottom-up
- Quantum Mechanics Overview
- Electron Tunneling
Nanoscale visualisation
- Electron microscopy: SEM, TEM
- Scanning probe microsopy and
spectroscopy: STM, AFM, NSOM
CMOS scaling
- Lithography
- Materials
- Interconnects
- MOSFET device scaling
Low
dimensional physics
- 2D, 1D, 0D electron gases
- Electron transport in low dimensional
systems
- Ballistic transport, scattering and
mobility
- Conductance quantisation
Quantum devices
Bottom-up fabrication:
Nanocrystals
- Synthesis
- Optical and electrical properties
- Non-classical CMOS nanocrystal devices
C60 and
carbon nanotubes
- Synthesis of C60 and
nanotubes
- Nanotubes as interconnects
- Nanotubes as transistors/logic devices
Semiconductor
nanowires
- Synthesis
- Nanowire devices
- Nanowire circuits
Molecular
electronics
Bottom-up assembly
Review & outlook
CM3103 Environmental
Science & Technology
Module Objective:
To describe how physical chemistry is the key to the development of new
technology relevant to the environment.
Module Content: The development and use of:
(i) clean solvents such as supercritical CO2; (ii) heterogeneous catalysts, for
example in automotive exhausts; (iii) electrochemical methods in energy
conversion and fuel cells.
"Impact of Nanotecnnology and Materials" (10
lectures - Alan O'Riordan)
Introduction
- Nanotechnology’s potential
- Length scales
- Materials: Semiconductor nanocrystals,
conjugated polymers
- Application areas
Structure and Bonding
- Atomic orbitals
- Energy levels
- Bond formation – s and p
bonds
- Molecular orbitals
- Delocalisation
The Solid State
- Structure: Unit cells, Bravais lattices, Miller indices
- Bonding in solids
- Band structures: Metals, insulators, semiconductors
Spectroscopy
- Absorption
- Fluorescence
- Phosphorescence
Nanocrystals
- Preparation
- Properties
- Assembly
Nanocrystal based Devices
- Dye sensitised solar cells
- Photocatalytic breakdown: Bioremediation
Conjugated Polymer based Devices
- OLED fabrication
- OLED characterisation
Nanotechnology and the Environment
- Nanoparticles: Zero valent metal technology
- Environmental assessment
- Biouptake and accumulation
TY6002 Structural and
Spectroscopic Characterisation at the Nanoscale
Module Objectives:
-
Identify the relevant length and energy
scales associated with each technique.
-
Analyse the operating principle of each
technique.
-
Describe the type of data each technique
provides, e.g., morphology, crystal structure, elemental or chemical
analysis, electronic structure analysis.
-
Describe the measurement environment
(including sample preparation).
-
List the typical resolution obtainable for
each technique and outline factors influencing the ultimate
resolution.
-
Summarise the strengths and weaknesses of
each technique.
"Structural Characterisation at the Nanoscale"
(21 lectures - Aidan Quinn)
Introduction
-
General classification of characterisation
methods
-
Overview of scattering and imaging
physics
-
Overview of surface physics and vacuum
technology
Electron microscopy
Spectroscopy and diffraction
-
Auger electron spectroscopy
-
X-ray fluorescence and
X-ray photoelectron spectroscopy (XRF, XPS)
-
Electron and X-ray
diffraction
-
Photon spectroscopy
Scanning probe techniques
-
Scanning tunnelling microscopy and spectroscopy (STM,
STS)
-
Atomic force microscopy (AFM) and related
techniques
-
Near-field scanning optical microscopy
(NSOM)
Surface analysis and depth
profiling
CM 4111 Analysis of solid
materials
Module Objective:
To provide students with
experience and understanding of modern methods for material analysis.
Module Content:
Introduction to solids
analysis, Powder X-ray diffraction, electron microscopy, thermal methods.
Surface analysis, XPS, AES and SIMS. Spectroscopy including FTIR, DRIFTS, NIR
and Raman, atomic absorption.
"Electron Microscopy"
(12 lectures Daniela Iacopino)
Introduction
-
Length
scales
-
Introduction
to surface science
-
General
considerations about imaging
-
Review of
Quantum Mechanics – electrons as waves
-
General
classification of characterisation methods
-
Overview
of scattering and imaging physics
Electron Microscopy
-
Scanning Electron Microscopy (SEM) introduction
-
SEM: technique and instrument description
-
SEM: range of samples and sample preparation.
-
Focused Ion Beam (FIB): technique and sample preparation
-
SEM: Electron Diffraction (SEM-ED)
-
Transmission Electron Microscopy (TEM): introduction
-
TEM: technique and instrument description
-
TEM: range of samples and sample preparation
Scanning Probe Techniques
-
Scanning Tunneling Microscopy (STM): introduction
-
STM: technique and instrument description
-
STM: range of samples and sample preparation
-
Atomic Force Microscopy (AFM): introduction
-
AFM: technique and instrument description
-
AFM: range of samples and sample preparation
Review & outlook
Course
materials are available on the UCC Blackboard system
|
