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Title
DEDICATION
DECLARATION
CERTIFICATE
ACKNOWLEDGEMENT
CONTENTS
Preface
1 GENERAL INTRODUCTION
1.1 Introduction
1.2 General aspects of glasses
1.3. lmportance of the glasses
1.4 Volume-Temperature relationships
1.5 Class formers and network formers
1.6 Different types of glasses
1.6.1 Silicate glasses
1.6.2 Alkali silicate glasses
1.6.3 Boric oxide glasses
1.6.4 Alkali borate glasses
1.6.5 The boron anomaly
1.6.6 Alkali borosilicate glasses
1.7 Preparation of amorphous materials (Glasses)
(i) Melt-quenching technique
(a) Splat quenching
(b) Melt spinning rnethod
(c) Roller quenching method
(ii) Sol-gel method
(iii) Ion implantation
1.8 Research work undertaken in the present investigation
References
2 EXPERIMENTAL TECHNIQUES
2.1 Introduction
2.2 Furnace
2.3 Preparation of glass samples
2.4 X-ray diffraction analysis
2.5 FTIR spectroscopy
2.6 UV-Visible spectroscopy
2.7 Ultrasonic measurements
Pulse-echo overlap (PEO) method
2.8 Microhardriess study
Vickers hardness tester
2.9 Measurement of conductivity and dielectric constant
References
3 FTIR SPECTROSCOPIC STUDY OF (1-x-y) (B2O3) -x (Li2O) -y (MCl2) GLASSES
3.1 Introduction
3.2 Work undertaken in the present study
3.3 Experimental details
3.4 Results and Discussion
3.4.1 (1-x-y) (B2O3) -x (Li2O) -y (CdCl2) glass system.
3.4.1.a Effect of variation in the concentration (y) of CdCl2 (0.05 ≤ y ≤ 0.20) when the concentration (x) of Li2O (x = 0.20) was kept constant.
3.4.1.b Effect of variation in the concentration (x) of Li2O (0.05 ≤ x ≤ 0.20) when the concentration (y) of CdCl2 (y =.20) was kept constant.
3.4.l.c Effect of variation in the concentration (x) of Li2O (0.10 ≤ x ≤ 0.40) when the concentration (y) of CdCl2 (y = 0.10) was kept constant.
3.4.2 (1-x-y) (B2O3) -x (Li2O) -y (ZnCl2) glass system
3.4.2.a Effect of variation in the concentration (y) of ZnCl2 (0.05 ≤ y ≤ 0.20) when the concentration (x) of Li2O (x = 0.20) was kept constant.
.3.4.2.b Effect of variation in the concentration (x) of Li2O (0.05 ≤ x ≤ 0.20) when the concentration (y) of ZnCl2 (y = 0.20) was kept constant.
3.4.2.c Effect of variation in the concentration (x) of Li2O (0.10 ≤ x ≤ 0.40) when the concentration (y) of ZnCl2 (y = 0.10) was kept constant.
3.5 General discussion
3.6 Conclusion
References
4 ULTRASONIC STUDY OF (1-x-y) (B2O3) -x (Li2O) -y (MCl2) GLASSES
4.1 Introduction
4.2 Theory
4.3 Experimental deatils
4.4 Results and discussion
4.5 Conclusion
References
5 STUDY OF MICROHARDNESS OF (1-x-y) (B2O3) -x (Li2O) -y (MCl2) GLASSES
5.1 Introduction
5.2 Experimental details
5.3 Results and discussion
5.4 Conlclusion
Reference
6 OPTICAL PROPERTIES OF (l-x-y) (B203) -x (Li2O) -y (MCl2) GLASSES
6.1 Introduction
6.2 Work undertaken in the present study
6.3 Theory
6.4 Experimental details
6.5 Results and discussion
6.6 Conclusion
References
7 AC ELCTRICAL PROPERTIES OF (1-x-y) (B2O3) -x (Li2O) -y (MCl2) GLASSES
7.1 Introduction
PART I AC electrical properties of (l-x-y) (B2O3) -x (Li2O) -y (CdCl2) glasses
7.2 Introduction
7.3 Experimental details
7.4 Results and discussion
(i) Dielectric constant
(ii) ac conductivity
7.5. Conclusion
Part II AC electrical properties of (1-x-y) (B2O3) -x (Li2O) -y (ZnCl2) glasses.
7.6. Introduction
7.7 Experiment details
7.8. Results and discussion
(i) Dielectric constant
(ii) ac conductivity
7.9 Conclusion
References