PHYS07200604007 Manas Kumar Dala - Homi Bhabha National ...
PHYS07200604007 Manas Kumar Dala - Homi Bhabha National ...
PHYS07200604007 Manas Kumar Dala - Homi Bhabha National ...
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Acknowledgements<br />
I owe a debt of gratitude to many people who made this thesis possible due to their<br />
support, suggestions, and encouragements.<br />
First of all, it is a great pleasure for me to express my sincere gratitude and indebtedness<br />
to my thesis supervisor Prof. B. R. Sekhar for his invaluable guidance<br />
and constant encouragement to complete this work. His excellent training in handling<br />
the intricacies of various experiments and making me acquainted with the data<br />
analysis have been an inspiration for me to pursue my career as an experimental<br />
condensed matter physicist. I wish to thank him for giving me the complete freedom<br />
both academically and socially during the period of my work.<br />
I would like to thank my group members Prabir and Rupali for their untiring<br />
support during the experiments and for many interesting discussions. I would also<br />
like to thank our technical staff Mr. Chittaranjan Swain for his help during the<br />
experiments. My sincere thanks go to Prof. C. Martin (Laboratoire CRISMAT,<br />
France) for providing good quality samples for this thesis work.<br />
I would like to thank Dr. S. R. Barman, Dr. S. Banik, Dr. A. K. Shukla and Dr.<br />
R. Dhaka (UGC-DAE CSR, Indore) for their help and discussions for inverse photoemission<br />
measurements. I would also like to thank Prof. Stefan Schuppler, Dr. Peter<br />
Nagel and Dr. Michael Merz for their help and cooperation during the high resolution<br />
photoemission and x-ray absorption measurements at WERA beamline of ANKA<br />
synchrotron, Karlsruhe, Germany. I would like to thank Dr. Federica Bondino, Dr.<br />
Marco Zangrando, Dr. Elena Magnano and Dr. Bryan Doyle of ELETTRA synchrotron,<br />
Trieste for their help and technical discussions for XAS experiments.<br />
It is a great pleasure for me to thank Prof. N. L. Saini (Departimento di fisica,<br />
Universita di Roma, Rome, Italy) for his fruitfull discussion at different stages of<br />
my Ph. D. career. I also thank Prof. Anil <strong>Kumar</strong> and Prof K. K. Nanda of IISc<br />
Bangalore for discussion and suggestions during their short visit to IOP.<br />
I would like to thank all my teachers, who had taught me at various stages of<br />
my educational career, especially my M. Sc teachers Profs. N. Barik, L. P. Singh, L.<br />
iv