World Library  
Flag as Inappropriate
Email this Article

Ramanuja Vijayaraghavan

Article Id: WHEBN0004259353
Reproduction Date:

Title: Ramanuja Vijayaraghavan  
Author: World Heritage Encyclopedia
Language: English
Subject: Annamalai University, Rajiah Simon, Vijay Balakrishna Shenoy, Shri Krishna Joshi, Predhiman Krishan Kaw
Collection:
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Ramanuja Vijayaraghavan

Ramanuja Vijayaraghavan
Born 1931
Residence Chennai, India
Nationality Indian
Fields Physics
Institutions Tata Institute of Fundamental Research
Alma mater Annamalai University
Tata Institute of Fundamental Research
Notable awards Shanti Swarup Bhatnagar Award 1976
UGC Raman Award in Physical Sciences 1983

Ramanuja Vijayaraghavan (born January 3, 1931) is an Indian physicist, specializing in condensed matter physics.[1][2]

Vijayaraghavan pioneered active research in the areas of metal physics, magnetic resonance in biophysical systems, and fine particle physics, a forerunner to nanoscience. He is a fellow of several science academies and twice elected as a member of the International Union of Pure and Applied Physics commission on magnetism.

After graduating from the Annamalai University in 1951, he joined the Tata Institute of Fundamental Research (TIFR) at Bombay as a Research Student, eventually rising to the position of Distinguished Professor and Dean (Physics Faculty).[1] He formally retired in 1996 . He was deputed twice by the International Atomic Energy Agency (IAEA), Vienna, Austria, as an Expert to set up the Magnetic Resonance Laboratory at the Atomic Energy Centre, Yogyakarta, Indonesia. He was awarded an Indian National Science Academy Senior Scientist position from 1996 to 2001, during which he worked at SAMEER, Mumbai, in collaboration with TIFR. In the 1950s, he constructed a crossed circle wide line NMR spectrometer which could detect deuterium and oxygen-17 isotopes in their natural abundance. Using oxygen-17 as a probe, he demonstrated chemical shifts in organic liquids due to electronic bonding. He subsequently developed an interdisciplinary group which used NMR and susceptibility measurements in metals to show that susceptibility and the hyperfine field at the nucleus were related and could be modified by alloying. The oscillatory nature of the conduction electron polarisation was established in rare earth alloys. The findings from experiments performed in bulk samples of transition metals, rare earths, Heusler alloys and spin glass were related to results obtained from microscopic techniques such as NMR, Mossbauer and neutron diffraction. In 1986, his group organized one of the first international conferences on high Tc superconductors. His group is credited with the discovery of superconductivity in borocarbides with magnetic elements and new valence fluctuating materials, heavy fermions, rare earth magnetism phenomena and highly correlated electron systems. His group also made early contributions to the detection of tumors by magnetic resonance.

As a tribute to his contribution to physics, two felicitation volumes were published in 1991 on the occasion of his 60th birthday: Frontiers in solid state series, Superconductivity (Vol.1), and Magnetism (Vol. 2), by World Scientific Publishing, in Singapore. These volumes incorporate articles written by leading international scientists, including Nobel laureates.

Vijayaraghavan was conferred the prestigious Shanti Swarup Bhatnagar Award in 1976, and received the UGC Raman award in Physical Sciences in 1983.[1] Apart from science, he is well versed in Hindu philosophy and Tamil literature.

One of his forefathers was the deputy chief minister of Ramnad Samasthanam, and his grandfather was Mahawidwan R. Raghava Iyengar, a renowned Tamil and Sanskrit scholar of the 20th century.

References

  1. ^ a b c Multani, M. S. (1993). Selected topics in superconductivity. Singapore: World Scientific. p. 10.  
  2. ^ Multani, M. S. (1993). Selected topics in magnetism. Singapore: World Scientific.  
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.