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Expertise Details 1
Experience Details 1
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Scopus ID 0.2
Google Scholar ID 0.2
Honours <=3< /td> 0.3
Honours >3 0.5
Project worth less than Rs.5,00,000/- 0.2
Project worth more than Rs.5,00,000/- 0.5
Membership in professional Bodies < 5 0.5
Membership in professional bodies >=5 1
No of publications <=15 1
No of publications between 15-45 2
No of publications >45 3

Vidwan Score 9

90% Complete
563 Articles
12 Conferences
5 Books
26 Projects
1 Awards

Dr. Jayasankar Ph.D., F.N.A.Sc. C K

 Professor
Sri Venkateswara University

Publications

  • 563
    Journal Articles
  • 12
    In Proceedings
  • 5
    Book
  • 50
    Conference
    Proceedings
  • 26
    Projects
  • 1
    Awards
  • 2
  • 1
  • 1
  • 109

Citations / H-Index

12696 Citations
66 h-index
3382 Citations

Altmetrics

14
2
4
51
1

Google Scholar

Co-author Network

Expertise

Astronomy and Astrophysics

Spectroscopy of Rare Earth Ions,Laser Spectroscopy,Spectroscopy of Rare Earth Doped Glasses, Photonics, Phosphors

Personal Information

Dr. Jayasankar Ph.D., F.N.A.Sc. C K

1956 Male
Department Of Physics, S.V.University, Tirupati - 517 502 Department Of Physics, S.V.University, Tirupati - 517 502
Chittoor, Andhra Pradesh, India - 517502

Experience

  • Professor

    Department of Physics

    Sri Venkateswara University, Tirupati

Qualification

  • M Sc, Ph D,(Physics) , Optical Absorption spectra of Er3+ and Tm3+ Ions in Certain Solutions

    Sri Venkateshwara University

Honours and Awards

2020

Fellow of National Academy of Sciences (F.N.A.Sc.)

Fellow of National Academy of Sciences, Allahabad

2020

Fellow of National Academy of Sciences (F.N.A.Sc.)

Fellow of National Academy of Sciences, Allahabad

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Doctoral Theses Guided

2022

Studies of aerosol optical, microphysical and radiative properties over a tropical urban station. http://hdl.handle.net/10603/409048

Sri Venkateswara University,K. Vijaya Kumar, http://hdl.handle.net/10603/409048

2021

Optical, photoluminescence tunability and energy transfer studies of Sm3+, Ce3+/Sm3+, Ce3+/Eu3+, and Ce3+/Dy3+ ions in fluorophosphates glasses for lighting applications.

Sri Venkateswara University,V.Rajeswara Rao

2021

Structural and optical properties of Pr3+, Sm3+, Eu3+ and Dy3+ ions in Ca2SiO4 phosphors synthesized from agricultural waste for solid state lighting applications.

Sri Venkateswara University,L. Lakshmi Devi

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2022

Studies of aerosol optical, microphysical and radiative properties over a tropical urban station. http://hdl.handle.net/10603/409048

Sri Venkateswara University,K. Vijaya Kumar, http://hdl.handle.net/10603/409048

2021

Optical, photoluminescence tunability and energy transfer studies of Sm3+, Ce3+/Sm3+, Ce3+/Eu3+, and Ce3+/Dy3+ ions in fluorophosphates glasses for lighting applications.

Sri Venkateswara University,V.Rajeswara Rao

2021

Structural and optical properties of Pr3+, Sm3+, Eu3+ and Dy3+ ions in Ca2SiO4 phosphors synthesized from agricultural waste for solid state lighting applications.

Sri Venkateswara University,L. Lakshmi Devi

2020

Visible and near infrared spectroscopic properties of Pr3+, Er3+, Tm3+ and Er3+/Yb3+ ions in lead phosphate glasses for optical device applications.

Sri Venkateswara University,T. Maheswari

2019

Absorption and Luminescence Dynamics of Nd3+, Eu3+, Dy3+ single and Nd3+/Eu3+ co-doped Lead Fluorosilicate Glasses for Photonic Device Applications.

Sri Venkateswara University,P. Manasa

2019

Optical and energy transfer studies of Pr3+, Sm3+, Eu3+, Tb3+, Dy3+, Tm3+ and Yb3+ ions in transparent oxyfluorosilicate glasses and glass-ceramics.

Sri Venkateswara University,C.S. Dwaraka Viswanath, http://hdl.handle.net/10603/284417

2019

Spectral analysis of Nd3+, Er3+, Sm3+/ Yb3+, Ho3+/ Yb3+ and Er3+/Tm3+ doped zinc tellurite glasses for optical amplification and solar cell applications.

Sri Venkateswara University,K. Suresh

2018

Spectroscopic properties of Nd3+, Sm3+, Dy3+ and Er3+ ions in niobium phosphate glasses.

Sri Venkateswara University,T.Srihari, http://hdl.handle.net/10603/225073

2016

Luminescence properties of Sm3+, Eu3+, Dy3+, Er3+, and Nd3+ ions in fluorophosphates glasses for photonic applications

Sri Venkateshwara University,K. Kiran Kumar, http://hdl.handle.net/10603/106829

2016

Optical spectroscopic characterization of Nd3+, Sm3+, Dy3+, Er3+, Tm3+and Yb3+ doped tungsten-zirconium-tellurite glasses for photonic applications

Sri Venkateshwara University,G. Venkataiah, http://hdl.handle.net/10603/185180

2014

Synthesis and characterization of rare earth doped Y2CaZnO5 nanophosphors for solid state lighting applications

Sri Venkateshwara University,R. Rajeswari, http://hdl.handle.net/10603/144740

2014

Synthesis and photoluminescence properties of Eu3+, Eu3+/Ce3+, Dy3+ and Dy3+/Eu3+ ions in Na3Gd(PO4)2 phosphors for solid state applications

Sri Venkateshwara University,T. Chengaiah, http://hdl.handle.net/10603/106463

2014

Optical spectroscopy of Dy3+, Sm3+, Eu3+, Er3+, Nd3+ and Tb3+ ions in zincfluorophosphate glasses

Sri Venkateshwara University,V. B. Sreedhar, http://hdl.handle.net/10603/101000

2013

Luminescence spectroscopy of lanthanide ions in glasses, glass-ceramics and nanocrystals for photonic applications

Sri Venkateshwara University,K. Venkata Krishnaiah, http://hdl.handle.net/10603/107812

2013

Spectral studies on Sm3+, Eu3+, Dy3+ and Er3+-doped glasses and Er3+/Tm3+/Yb3+- doped NaNbO3 nanocrystals for for photonic applications

Sri Venkateshwara University,N. Vijaya, http://hdl.handle.net/10603/107821

2012

Specroscopic properties of Sm3+, Eu3+ and Ho3+ ions in gasses & Dy3+ ions in nanocrystalline glass-ceramcis and temperature dependendent upconverion luminescence of Er3+/Yb3+-doped NaNbO3 nanoparticles

Sri Venkateshwara University,Ch. Srinivasa Rao, http://hdl.handle.net/10603/107833

2012

Optical properties of Sm3+, Eu3+, Dy3+ and Tm3+-doped oxide glasses and Er3+/Yb3+-doped NaNbO3 nanocrystals & Waveguide inscription in Tb3+-doped silicate glass

Sri Venkateshwara University,K. Linganna, http://hdl.handle.net/10603/107836

2011

Optical and luminescence properties of Sm3+, Nd3+/Yb3+ and Dy3+ ions in phosphate based glasses and Pressure dependent fluorescence properties of Sm3+ and Eu3+ ions in fluorophosphates glasses.

Sri Venkateshwara University,Ch. Basavapoornima, http://hdl.handle.net/10603/100431

2011

Electron Paramagnetic Resonance and optical properties of Cr3+ and Mn2+ ions in oxide glasses & Spectroscopic properties of Sm3+, Eu3+, Dy3+ and Er3+ ions in oxyfluoride glasses

Sri Venkateshwara University,C. R. Kesavulu, http://hdl.handle.net/10603/107780

2010

Optical properties of Nd3+, Er3+/Yb3+ ions in glasses, Ho3+/Yb3+ ions in nanocrystals and high pressure luminescence of Sm3+ and Tb3+ ions in glasses.

Sri Venkateswara University,L. Jyothi

2008

Absorption and fluorescence properties of Nd3+, Eu3+, Dy3+ & Er3+ ions and pressure dependent fluorescence properties of Sm3+ & Tb3+ ions in phosphate and tellurite based Glasses

Sri Venkateshwara University,K. Upendra Kumar

2008

Studies in Diluted Magnetic Semiconductors: Synthesis and Characterization of Cu and Fe doped ZnS nanoparticles

Sri Venkateshwara University,S. Sambasivam

2008

Spectroscopic properties of Sm3+, Dy3+ & Er3+/Yb3+ ions and pressure dependent luminescence studies of Sm3+ & Eu3+ ions in oxide and oxyfluoride glasses

Sri Venkateshwara University,R. Praveena, http://hdl.handle.net/10603/107248

2007

Spectroscopic investigations of Nd3+, Eu3+, Er3+, Tm3+ and Sm3+ ions in K-Ba-Al-phosphate and fluorophosphates glasses

Sri Venkateshwara University,R. Balakrishnaiah, http://hdl.handle.net/10603/107257

2006

Optical properties of Sm3+, Eu3+and Dy3+ ions & High pressure luminescence study of Sm3+and Tb3+ ions in oxide and oxyfluoride glasses

Sri Venkateshwara University,V. Venkatramu, http://hdl.handle.net/10603/107089

2006

Optical spectroscopy of Nd3+, Sm3+, Eu3+ and Dy3+ ions & pressure dependent fluorescence study of Eu3+ and Tb3+ ions in oxide and oxyfluoride glasses

Sri Venkateshwara University,S. Surendra Babu, http://hdl.handle.net/10603/107099

2001

Spectroscopic properties of Pr3+, Sm3+, Eu3+ and Dy3+ ions in lithium borate and lithium fluoroborate glasses, http://hdl.handle.net/10603/74455

Sri Venkateshwara University,P.Babu, http://hdl.handle.net/10603/74455

1995

Electronic spectra of Sm3+, Dy3+, Ho3+ and Tm3+ions in alkali zinc borosulphate glasses and comparative crystal field level analysis of Nd3+ and Er3+ ions in various hosts

Sri Venkateswara University,E. Rukminin

1995

Optical absorption spectra of lanthanide ions in glasses and correlation crystal field analysis of lanthanide ions in various crystal hosts

Sri Venkateswara University,A. Renuka Devi

1994

Optical absorption spectra of Pr3+, Nd3+ and Er3+ ions in borosulphate glasses and Re-examination of crystal field levels of lanthanide ions in various hosts

Sri Venkateshwara University,V.V. Ravi Kanth Kumar

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Membership In Professional Bodies

2011

Rare Earth Association of India

Life Member

2010

The Indian Association of Physics Teachers

Life Member

2003

Luminescence Society of India

Life Member

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2011

Rare Earth Association of India

Life Member

2010

The Indian Association of Physics Teachers

Life Member

2003

Luminescence Society of India

Life Member

2003

European Rare Earth and Actinide Society

Life Member

1996

Indian Physics Association

Life Member

1992

Indian Laser Association

Life Member

1991

Indian Society for Crystal Growth

Life Member

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Membership In Committees

2014

Board of Studies In Physics, Bangalore University

Member

2013

Board of Studies In Physics, Dravidain University

Chairman

2013

Member of Programme Advisory Committees (PACs) in Physical Sciences, Lasers, Optics, Atomic & Molecular Physics ,DST, New Delhi

Member

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2014

Board of Studies In Physics, Bangalore University

Member

2013

Board of Studies In Physics, Dravidain University

Chairman

2013

Member of Programme Advisory Committees (PACs) in Physical Sciences, Lasers, Optics, Atomic & Molecular Physics ,DST, New Delhi

Member

2010

Board of Studies In Physics, Osmania University

Member

2003

Board of Studies In Physics, Pondicherry University

Member

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Research Projects

Facility for the “Development and supply of Nd, Yb and Er:laser glass rods(75mm long and 10mm dia.) and slabs (50mmX50mmX6mm) for laser Applications” (MoU with DAE to supply Laser glasses to RRCAT, Indore and BARC, Mumbai)

Funding Agency : DAE-BRNS Mumbai

Characterization of oxide and fluoride nano-perovskites doped with luminescent ions under extreme conditions; application in photonic systems.

Funding Agency : Ministerio de Economía y Competitividad (MINECO), Spain

Development of rare-earth doped nanocrystalline quantum cutting luminescent materials for solar energy harvesting.

Funding Agency : Indo-Portugal DST, New Delhi.

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Facility for the “Development and supply of Nd, Yb and Er:laser glass rods(75mm long and 10mm dia.) and slabs (50mmX50mmX6mm) for laser Applications” (MoU with DAE to supply Laser glasses to RRCAT, Indore and BARC, Mumbai)

Funding Agency : DAE-BRNS Mumbai

Characterization of oxide and fluoride nano-perovskites doped with luminescent ions under extreme conditions; application in photonic systems.

Funding Agency : Ministerio de Economía y Competitividad (MINECO), Spain

Development of rare-earth doped nanocrystalline quantum cutting luminescent materials for solar energy harvesting.

Funding Agency : Indo-Portugal DST, New Delhi.

Development of Ln3+-doped fluoride glasses and nano-glass ceramics for compact visible and white light laser applications.

Funding Agency : UGC-UKIERI UK-India Education and Research Initiative

Spectroscopic and upconversion studies of Er3+/Yb3+- codoped silica based glass and glass-ceramics for photonic applications.

Funding Agency : UGC, New Delhi.

Development of phosphate and tellurite based xifluoride glasses and transparent nanocrystalline glass-ceramics doped with lanthanide ions for visible and near infrared fiber laser.

Funding Agency : Indo-Mexican DST, New Delhi.

Synthesis and characterization of rare earth doped phosphors for white LEDs.

Funding Agency : CSIR New Delhi

Development of rare-earth doped nanocrystalline materials for applications in optical sensors and photonic devices.

Funding Agency : Indo-Spanish DST, New Delhi.

Preparation and Characterization of Rare Earth doped Oxide and Oxyfluoride Glasses for Fiber Amplifiers.

Funding Agency : DST, Govt. of India

Development of rare earth doped glasses and glass-ceramics for Solid State Lighting Applications.

Funding Agency : U.G.C New Delhi

Optimization of Nd and Yb- doped fluorophosphates glasses for solid state laser applications. (In collaboration with BARC, Mumbai)

Funding Agency : DAE-BRNS Mumbai

Rare-earth nanomaterials impregnated in inorganic glasses for fluorescent screens (Industrial collaboration/MOU)

Funding Agency : Honeywell Technology Solutions, Bangalore

Rare-earth nanomaterials impregnated in inorganic glasses for fluorescent screens (Industrial collaboration/MOU)

Funding Agency : Honeywell Technology Solutions, Bangalore

Optical properties of rare earth ions in solids at high pressure

Funding Agency : Spanish Govt. Intl. Co-op.

Ultrashort pulse laser waveguide Inscription in glasses for integrated optics.

Funding Agency : UKIERI British Council

Luminescence spectroscopy of Eu3+-doped bioactive glasses

Funding Agency : DST, New Delhi (Under Young Scientist Prog.)

An investigation on the energy transfer and frequency upconversion of rare earth doped laser glasses

Funding Agency : DRDO New Delhi

Nanoscience and Nanotechnology MoU with University of Verona, Italy under Fellowships for Young Indian Researchers (Prof. Adolfo Speghini)

Funding Agency : Italian Ministry of University and Research (MiUR)

Optimization of Composition for the Development of Nd:Laser Glasses by Fluorescence Studies

Funding Agency : Department of Atomic Energy - Board of Research and Nuclear Science (in Collaboration with RRCAT, Indore, Shri A.S.Joshi (Principal Collaborator)

Nanoscience and Nanotechnology - MoU with University of Verona, Italy under Fellowships for Young Indian Researchers (Prof. Marco Bettinelli)

Funding Agency : Italian ministry of University and Research (MiUR)

Optical and Fluorescence Line Narrowing Spectroscopy of Rare Earth Ions

Funding Agency : University Grants Commission, New Delhi

High pressure fluorescence Spectroscopy of lanthanide ions in glasses

Funding Agency : Department of Science and Technology, New Delhi, Indo-German Project

Optical Investigation of Pr3+ ions in oxide glasses:To design Pr:glasses for 1300 nm fiber amplifiers

Funding Agency : UGC Unassigned grant - Minor Research Project - S V. University, Tirupati

Spectroscopic investigations of rare Earths activated laser crystals

Funding Agency : University Grants Commission, New Delhi

Preparation and characterization of Nd and Er doped laser crystals and glasses by optical spectroscopy

Funding Agency : Department of Science and Technology, New Delhi, Under Young Scientist Category

Development of Efficient Luminescent Molecular Devices Based on Lanthanide - diketonate Complexes.

Funding Agency : Defence Research and Development Organisation, New Delhi

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Publications (620)

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