Rare Earths: New Research

Zhaosen Liu (Editor)
Department of Applied Physics, Nanjing University, Information Science and Technology, Nanjing, China

Series: Chemistry Research and Applications, Materials Science and Technologies
BISAC: SCI013020

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This book contains twelve chapters written by both senior scientists with international fame and young researchers who have been working at the frontiers of related fields for some years. It covers a variety of the most active research areas in rare earths research in recent years.

The first five chapters concern a few hot topics on lanthanum photonics and luminesce, such as, new developments of EDFA (erbium-doped fiber amplifiers) techniques, the problems remaining to be solved and a few possible solutions proposed; the technology of lanthanum photonics for solar energy cells; Zr-Er co-doped optical nano-glass fibers that can be used for multichannel amplification and four wave mixing; rare earth doped lead phosphate glasses for which luminescence peak wavelength, line-width and lifetime etc., have been determined with sophisticate experimental techniques; optical sensing of femtosecond laser spot temperature using Er3+ doped TeO2-based glass; and the optical properties of rare-earth centered organic complexes with pyrazol substituted 1,3–diketones.

The following two chapters probe the physics behind the phenomena, which some theoreticians may be interested in. The first one makes thorough studies on an exotic phenomena, valency fluctuation occurring in metallic perovskite compounds due to the joint influences by both Ce and Eu elements inside. The latter demonstrates, with an example, how a novel ab initio method can be employed to calculate crystal parameters more accurately and efficiently.

The final five chapters focus on the researches aimed at finding new applications of rare earths in industry and high technology based on their magnetic, chemical and electrochemical properties, such as, the magnetocaloric effects and performance in magnetic refrigeration of a class of amorphous materials containing heavy rare earth elements; the mechanism and applicability for rare earths to replace chromates as corrosion inhibitors; studies employing a defect cluster model to understand local ordered defect structure formation in doped ceria, and the possibility of using it to optimize the rare earth dopant in ceria for the purpose of improving the ionic conductivity of fluorite oxides; and fabrication and characterization of new La–Mg–Ni electrode alloys by doping them with lanthanides to improve the electrochemical cycle stability and discharge capacity.

The audience for this book includes theoretical and applied physicists, specialists in instrumentation (electronics), engineers (electronic, chemical engineering, and biotechnology), chemists and materials scientists in industry and academia. (Imprint: Nova)

Preface

Chapter 1. New Exciting Challenges in Lanthanoid Photonics: Telecommunications and Solar Energy Conversion
(Jean-Claude G. Bünzli, WCU Center for Next Generation Photovoltaic Systems, Korea University, Sejong Campus, Republic of Korea, and Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Switzerland)

Chapter 2. Nano-Engineered Glass-Based Erbium-Doped Optical Fibers for Study of Multichannel Amplification and Four-Wave Mixing Phenomena
(M.C. Paul, M. Pal, K. Thambiratnam, S.W. Harun, N.A. Awang, S. Das, S.K. Bhadra, H. Ahmad and J.K. Sahu, Fiber Optics and Photonics Division, CSIR-Central Glass & Ceramic Research Institute, Raja S.C. Mullick Road, Kolkata, India, and others)

Chapter 3. Rare Earths in Lead Phosphate Glasses
(Joanna Pisarska, Marta Sołtys, Lidia Żur, Wojciech A. Pisarski,
University of Silesia, Institute of Chemistry, Szkolna, Katowice, Poland, and others)

Chapter 4. Optical Sensing of Femtosecond Laser Spot Temperature Using Er3+ Up-Conversion Photoluminescence for TeO2-based Glass
(Tomokatsu Hayakawa, Nagoya Institute of Technology, Dept. of Frontier Materials, Gokiso, Showa, Nagoy, Japan)

Chapter 5. Pyrazol Substituted 1,3 – Diketones: Synthesis, Complexing Properties and Application in Rare Earths Coordination Chemistry
(Ilya V. Taydakov, P.N. Lebedev Institute of Physics, Russian Academy of Science, GSP, Moscow, Russian Federation)

Chapter 6. Interdependent Valence Behavior of Rare-Earth Ions in Metallic Perovskites and Related Structures
(Abhishek Pandey, Chandan Mazumdar, R. Ranganathan, Saha Institute of Nuclear Physics, Kolkata (WB), India, and others)

Chapter 7. Calculation of Crystal Field Parameters
(Pavel Novák, Institute of Physics of ASCR, Cukrovarnická, Prague, Czech Republic)

Chapter 8. Magnetocaloric Effect of Amorphous Materials Based on Heavy Rare Earth Elements
(Fa-Xiang Qin and Hua-Xin Peng, Advanced Composite Centre for Innovation and Science (ACCIS), Department of Aerospace Engineering, University of Bristol, University Walk, Bristol, UK)

Chapter 9. Rare Earths as Corrosion Inhibitors
(A.E. Hughes, CSIRO Materials Science and Engineering, Locked Bag Clayton, Melbourne, Australia)

Chapter 10. Defect Clusters in Rare Earth-Doped Ceria
(Zhi-Peng Li, Toshiyuki Mori, Global Research Center for Environment and Energy based on Nanomaterials Science, National Institute for Materials Science, Tsukuba, Ibaraki, Japan, and others)

Chapter 11. The Preparation and Electrochemical Hydrogen Storage Characteristics of AB3- and A2B7-Type Alloys
(Yanghuan Zhang, Hongwei Shang, Huiping Ren, Dongliang Zhao, Key Laboratory of Integrated Exploitation of Baiyun Obo Multi-Metal Resources, Inner Mongolia University of Science and Technology, Baotou, China, and others)

Chapter 12. Raman Spectroscopic Studies of the Rare Earth Sesquioxides and Related Compounds under High Pressures
(Nita Dilawar Sharma and A.K. Bandyopadhyay, Pressure and Vacuum Standards, National Physical Laboratory, New Delhi, India)

Index

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