Transmission electron microscopy (TEM)

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Table of contents

CHAPTER I General introduction
1.1 Aluminium nitride (AlN):Basic properties
1.1.1 AlN crystal structure
1.1.2 Electronic structure of AlN
1.1.3 Type of defects in AlN
1.1.4 AlN: Preparation methods
1.1.5 AlN: Applications
2.1 Rare-earth elements
2.1.1 Electronic structure and transitions of REs
2.1.2 Luminescence principles
2.1.3 Rare earth doped in solid hosts (semiconductor/insulators)
2.1.4 Issues related to the luminescence of RE-doped solids
2.1.5 Rare earth-doped semiconductors (RE-Sc)
2.1.6 Cerium in AlN
2.1.7 Ytterbium in AlN
CHAPTER II Experimental techniques
1.1 Thin film synthesis
1.1.1 Sputtering
1.1.2 Thermal annealing of the thin films
2.1 Thin film characterization
2.1.1 Structural characterization
2.1.2 X-ray diffraction (XRD)
2.1.3 Transmission electron microscopy (TEM)
2.1.4 Rutherford Backscattering Spectrometry (RBS)
2.2 Optical characterization
2.2.1 Fourier transform infrared spectroscopy (FTIR)
2.2.2 Ellipsometry
2.2.3 Photoluminescence (PL) spectroscopy
CHAPTER III Synthesis and characterizations of AlN thin films
1.1 Introduction
2.1 Sputtering conditions
2.1.1 Crystallographic orientations
2.1.2 Microstructures and morphology
2.1.3 Optical properties
3.1 The optimum deposition conditions
4.1 Conclusion
CHAPTER IV Rare earth-doped AlN: Cerium-doped AlN
1.1 Introduction
2.1 Results and discussion
2.1.1 Structures and compositions
2.1.2 Structures and optical analyses of Ce-doped AlN
2.1.3 X-ray diffraction (XRD)
2.1.4 Fourier Transform Infrared Spectroscopy (FTIR)
2.1.5 Microstructure and composition
2.1.6 Photoluminescence (PL)
2.1.7 The role of oxygen
2.2 Intentionally doping oxygen during Ce AlN growth
2.3 Low temperature photoluminescence dependence (LTPL)
3.1 Application perspective
4.1 Conclusion
CHAPTER V Yb-doped AlN and (Ce, Yb) co-doped AlN
1.1 Introduction
2.1 Structures and compositions
3.1 Photoluminescence (PL)
4.1 Structure of (Ce,Yb) co-doped Al(O)N sample
5.1 Photoluminescence
6.1 Low temperature photoluminescence
7.1 Conclusion
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