Ministry of Education
Jayasankar Ph.D., F.N.A.Sc. C K
VIDWAN ID: 23318

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

Male Doctor of Philosophy
Professor | Department of Physics
Sri Venkateswara University
Andhra Pradesh
Expertise: Astronomy and Astrophysics
ORCID 0000-0001-5719-9848 Scopus 7003364577 Google Scholar H5yXmNMAAAAJ
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361 Publications
25 Projects
15286 Scopus Citations
13878 CrossRef
8 Months Total Experience
Publications
361 Total
Articles
333
Books
1
Chapters
1
Proceedings
26
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Scopus Scopus
15,286 Citations
70 h-index
CrossRef CrossRef
13,878 Citations
67 h-index
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Professional Recognition

Fellow of National Academy of Sciences (F.N.A.Sc
2020
Fellow of National Academy of Sciences, Allahabad

Community & Membership

Board of Studies In Physics, Pondicherry University
Member
Jan 2003
Board of Studies In Physics, Osmania University
Member
Jan 2010
Board of Studies In Physics, Dravidain University
Chairman
Jan 2013
Board of Studies In Physics, Bangalore University
Member
Jan 2014
Member of Programme Advisory Committees (PACs) in Physical Sciences, Lasers, Optics, Atomi
Member
Jan 2013
Indian Physics Association
Life Member
Jan 1996
Indian Laser Association
Life Member
Jan 1992
Luminescence Society of India
Life Member
Jan 2003
The Indian Association of Physics Teachers
Life Member
Jan 2010
Indian Society for Crystal Growth
Life Member
Jan 1991
European Rare Earth and Actinide Society
Life Member
Jan 2003
Rare Earth Association of India
Life Member
Jan 2011

Personal Details

Doctor of Philosophy
1984
N/A
Professor
Jan 2026 – Present
Sri Venkateswara University | Department of Physics
Physical Sciences
Astronomy and Astrophysics

Related Profiles

Co-Authors (52)

Dr Om Prakash Pandey
Dr Om Prakash Pandey Thapar Institute of Engineering and Technology, Patiala
Dr Anil Kumar G N
Dr Anil Kumar G N M S Ramaiah Institute of Technology, BANGALORE
Dr A. Jagannatha Reddy
Dr A. Jagannatha Reddy M S Ramaiah Institute of Technology, BANGALORE
Dr Chakradhar RPS
Dr Chakradhar RPS CSIR-National Aerospace Laboratories
Dr P BABU
Dr P BABU SVCR Government Degree College, Palamaner Rural
Prof Dr. K. Jeganathan FASCh, FinstP (IOP-
Prof Dr. K. Jeganathan FASCh, FinstP (IOP- N/A
Dr Santanab Giri
Dr Santanab Giri National Institute of Technology, Rourkela
Prof D Haranath
Prof D Haranath National Institute of Technology, Warangal
Dr Marimuthu Kethappan. A
Dr Marimuthu Kethappan. A Gandhigram Rural Institute, Dindigul
Dr Muralidharan Gopalan. N
Dr Muralidharan Gopalan. N Gandhigram Rural Institute, Dindigul
Dr Rajamouli Boddula
Dr Rajamouli Boddula N/A
Mr Valleti Rajeswara Rao
Mr Valleti Rajeswara Rao N/A
Mrs Sravani Sameera Vanjarana
Mrs Sravani Sameera Vanjarana B.V Raju Institute of Technology
Dr Hari Krishna R
Dr Hari Krishna R M S Ramaiah Institute of Technology, BANGALORE
Dr Rajaramakrishna R
Dr Rajaramakrishna R Cambridge Institute of Technology, BANGALORE-560036
Dr Basavaraj Angadi
Dr Basavaraj Angadi Bangalore University, Bangalore
Dr Srinatha N
Dr Srinatha N R V Institute of Technology and Management
Dr Divya A
Dr Divya A Sri Ramakrishna College of Arts and Science
Dr M Chandra Shekhar Reddy
Dr M Chandra Shekhar Reddy N/A
Dr Manas Kumar Dalai
Dr Manas Kumar Dalai I K Gujral Punjab Technical University, Jalandhar
Dr Abhiram J
Dr Abhiram J Sir M Visvesvaraya Institute of Technology, BANGALORE
Dr Upendra Kumar Kagola
Dr Upendra Kumar Kagola REVA UNIVERSITY, BANGALORE
Dr A Mohan Babu
Dr A Mohan Babu N/A
Dr Girajala Chinna Ram
Dr Girajala Chinna Ram Aditya University
Dr Narendrudu Thiriveedhi
Dr Narendrudu Thiriveedhi Aditya University
Dr Shruthi D L
Dr Shruthi D L Sai Vidya Institute of Technology, BANGALORE
Dr Praveena Ravipati
Dr Praveena Ravipati Gayatri Vidya Parishad College of Engineering
Dr Rasool Nayab
Dr Rasool Nayab Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal
Prof V Ravi Kumar
Prof V Ravi Kumar Acharya Nagarjuna University, Guntur
Dr Bungala Chinna Jamalaiah
Dr Bungala Chinna Jamalaiah N/A
Dr Sivakumar M
Dr Sivakumar M Amrita Vishwa Vidyapeetham, Coimbatore
Dr B M NAGABHUSHANA
Dr B M NAGABHUSHANA N/A
Dr C. R. KESAVULU
Dr C. R. KESAVULU N/A
Dr NUTAKKI KRISHNA MOHAN
Dr NUTAKKI KRISHNA MOHAN V.S.R. GOVT. DEGREE & PG COLLEGE
Dr Lingam Lakshmi Devi
Dr Lingam Lakshmi Devi Annamacharya Institute of Technology And Sciences, Chinthakomma Dinne
Dr Madhusudhana Rao N
Dr Madhusudhana Rao N Vellore Institute of Technology - Andhra Pradesh
Dr Santanab Giri
Dr Santanab Giri Haldia Institute of Technology 103
Dr Rathaiah M
Dr Rathaiah M Jawaharlal Nehru Technological University, Anantapur
Dr Venkata Krishnaiah Kummara
Dr Venkata Krishnaiah Kummara Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal
Dr Anchula V B
Dr Anchula V B Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal
Dr Gurram Giridhar
Dr Gurram Giridhar Acharya Nagarjuna University, Guntur
Prof BALAJI RAO RAVURI
Prof BALAJI RAO RAVURI Central University of Jammu
Dr C S Dwaraka Viswanath
Dr C S Dwaraka Viswanath Mother Theresa Institute of Engineering & Technology, Palamaner
Dr Srinivasa Rao Ch
Dr Srinivasa Rao Ch ANDHRA LOYOLA COLLEGE
Dr Ch Basavapoornima
Dr Ch Basavapoornima N/A
Dr Madhu A
Dr Madhu A Dayananda Sagar College of Engineering, BANGALORE
Dr Suman Gandi
Dr Suman Gandi National Institute of Technology Goa
Dr Thummala Chengaiah
Dr Thummala Chengaiah Sri Venkateswara University
Dr Narendrudu Thiriveedhi
Dr Narendrudu Thiriveedhi Aditya University
Dr Sadhasivam S
Dr Sadhasivam S National College, Tiruchirappalli
Dr R Arun Kumar
Dr R Arun Kumar National Institute of Technology, Warangal
Prof NALLURI VEERAIAH
Prof NALLURI VEERAIAH N/A

Scholarly Work

Characterization of oxide and fluoride nano-perovskites doped with luminescent ions under extreme conditions; application in photonic systems
Completed
Role: Principal Investigator
Amount: ₹1.25 Lac
Duration: 2016 – 2019
Development of rare-earth doped nanocrystalline quantum cutting luminescent materials for solar energy harvesting
Completed
Agency: Department of Science and Technology Role: Co-Principal Investigator
Duration: 2016 – 2019
Spectroscopic and upconversion studies of Er3+/Yb3+- codoped silica based glass and glass-ceramics for photonic applications
Completed
Agency: University Grants Commission Role: Principal Investigator
Amount: ₹7 Lac
Duration: 2014 – 2016
Development of phosphate and tellurite based xifluoride glasses and transparent nanocrystalline glass-ceramics doped with lanthanide ions for visible and near infrared fiber laser
Completed
Agency: Department of Science and Technology Role: Principal Investigator
Amount: ₹20.85 Lac
Duration: 2013 – 2016
Development of Ln3+-doped fluoride glasses and nano-glass ceramics for compact visible and white light laser applications
Completed
Agency: University Grants Commission Role: Principal Investigator
Amount: ₹17.97 Lac
Duration: 2013 – 2016
Synthesis and characterization of rare earth doped phosphors for white LEDs
Completed
Agency: Council of Scientific and Industrial Research Role: Co-Principal Investigator
Amount: ₹16.05 Lac
Duration: 2012 – 2015
Development of rare-earth doped nanocrystalline materials for applications in optical sensors and photonic devices
Completed
Agency: Department of Science and Technology Role: Principal Investigator
Amount: ₹28.29 Lac
Duration: 2012 – 2015
Development of rare earth doped glasses and glass-ceramics for Solid State Lighting Applications
Completed
Role: Principal Investigator
Amount: ₹12.44 Lac
Duration: 2011 – 2014
Preparation and Characterization of Rare Earth doped Oxide and Oxyfluoride Glasses for Fiber Amplifiers
Completed
Agency: Department of Science and Technology Role: Co-Principal Investigator
Amount: ₹39.32 Lac
Duration: 2011 – 2014
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
Completed
Agency: Department of Atomic Energy Role: Principal Investigator
Amount: ₹4.94 Crore
Duration: 2010 – 2019
Rare-earth nanomaterials impregnated in inorganic glasses for fluorescent screens (Industrial collaboration/MOU
Other
Role: Principal Investigator
Amount: ₹4.80 Lac
Duration: 2009 – Ongoing
Ultrashort pulse laser waveguide Inscription in glasses for integrated optics
Completed
Role: Principal Investigator
Amount: ₹1.43 Crore
Duration: 2008 – 2011
Optical properties of rare earth ions in solids at high pressure
Completed
Role: Principal Investigator
Amount: ₹29.61 Lac
Duration: 2008 – 2011
Optimization of Nd and Yb- doped fluorophosphates glasses for solid state laser applications. (In collaboration with BARC, Mumbai
Completed
Agency: Department of Atomic Energy Role: Principal Investigator
Amount: ₹42.36 Lac
Duration: 2008 – 2012
Nanoscience and Nanotechnology MoU with University of Verona, Italy under Fellowships for Young Indian Researchers (Prof. Adolfo Speghini
Other
Role: Principal Investigator
Amount: ₹10.57 Lac
Duration: 2008 – Ongoing
An investigation on the energy transfer and frequency upconversion of rare earth doped laser glasses
Completed
Agency: Defence Research and Development Organisation Role: Co-Principal Investigator
Amount: ₹14.98 Lac
Duration: 2007 – 2010
Luminescence spectroscopy of Eu3+-doped bioactive glasses
Completed
Agency: Department of Science and Technology Role: Principal Investigator
Amount: ₹9.29 Lac
Duration: 2007 – 2010
Nanoscience and Nanotechnology - MoU with University of Verona, Italy under Fellowships for Young Indian Researchers (Prof. Marco Bettinelli
Completed
Role: Principal Investigator
Duration: 2006 – 2006
Optimization of Composition for the Development of Nd:Laser Glasses by Fluorescence Studies
Completed
Role: Principal Investigator Grant: 2003/34/4/BRNS/
Amount: ₹32.42 Lac
Duration: 2003 – 2007
Optical and Fluorescence Line Narrowing Spectroscopy of Rare Earth Ions
Completed
Role: Principal Investigator Grant: F 10-09/2002 (SR-1) dt.02-03-2002
Amount: ₹6.76 Lac
Duration: 2002 – 2005
Optical Investigation of Pr3+ ions in oxide glasses:To design Pr:glasses for 1300 nm fiber amplifiers
Completed
Agency: University Grants Commission Role: Principal Investigator Grant: 2396/UGC-I(2)/99 dt.11-10-1999
Amount: ₹15,000
Duration: 1999 – 2001
High pressure fluorescence Spectroscopy of lanthanide ions in glasses
Completed
Role: Principal Investigator Grant: INT/FRG/P(16)/98 dt.03-05-1999
Amount: ₹6.75 Lac
Duration: 1999 – 2003
Spectroscopic investigations of rare Earths activated laser crystals
Completed
Role: Principal Investigator Grant: F 10-17/92 (RBB-II) dt.06-03-1992
Amount: ₹3.01 Lac
Duration: 1992 – 1997
Preparation and characterization of Nd and Er doped laser crystals and glasses by optical spectroscopy
Completed
Role: Principal Investigator Grant: SR/OY/P-04/91 dt.22-05-1992
Amount: ₹1.44 Lac
Duration: 1992 – 1994
Development of Efficient Luminescent Molecular Devices Based on Lanthanide - diketonate Complexes
Completed
Role: Principal Investigator Grant: ERIP/ER/0303438/M/01 dt. 20-12-2004 In Collaboration with NIIST Tiruvananthapuram (Prof.M.L.P.Reddy Co-PI
Amount: ₹14.95 Lac
Duration: 1992 – 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

University Sri Venkateshwara University
Year 1994
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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

University Sri Venkateswara University
Year 1995
Downloads 0

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

University Sri Venkateswara University
Year 1995
Downloads 0

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

University Sri Venkateshwara University
Year 2001
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Optical properties of Sm3+, Eu3+and Dy3+ ions & High pressure luminescence study of Sm3+and Tb3+ ions in oxide and oxyfluoride glasses

University Sri Venkateshwara University
Year 2006
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Optical spectroscopy of Nd3+, Sm3+, Eu3+ and Dy3+ ions & pressure dependent fluorescence study of Eu3+ and Tb3+ ions in oxide and oxyfluoride glasses

University Sri Venkateshwara University
Year 2006
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Spectroscopic investigations of Nd3+, Eu3+, Er3+, Tm3+ and Sm3+ ions in K-Ba-Al-phosphate and fluorophosphates glasses

University Sri Venkateshwara University
Year 2007
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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

University Sri Venkateshwara University
Year 2008
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Studies in Diluted Magnetic Semiconductors: Synthesis and Characterization of Cu and Fe doped ZnS nanoparticles

University Sri Venkateshwara University
Year 2008
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Spectroscopic properties of Sm3+, Dy3+ & Er3+/Yb3+ ions and pressure dependent luminescence studies of Sm3+ & Eu3+ ions in oxide and oxyfluoride glasses

University Sri Venkateshwara University
Year 2008
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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

University Sri Venkateswara University
Year 2010
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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

University Sri Venkateshwara University
Year 2011
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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

University Sri Venkateshwara University
Year 2011
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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

University Sri Venkateshwara University
Year 2012
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Optical properties of Sm3+, Eu3+, Dy3+ and Tm3+-doped oxide glasses and Er3+/Yb3+-doped NaNbO3 nanocrystals & Waveguide inscription in Tb3+-doped silicate glass

University Sri Venkateshwara University
Year 2012
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Luminescence spectroscopy of lanthanide ions in glasses, glass-ceramics and nanocrystals for photonic applications

University Sri Venkateshwara University
Year 2013
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Spectral studies on Sm3+, Eu3+, Dy3+ and Er3+-doped glasses and Er3+/Tm3+/Yb3+- doped NaNbO3 nanocrystals for for photonic applications

University Sri Venkateshwara University
Year 2013
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Synthesis and characterization of rare earth doped Y2CaZnO5 nanophosphors for solid state lighting applications

University Sri Venkateshwara University
Year 2014
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Synthesis and photoluminescence properties of Eu3+, Eu3+/Ce3+, Dy3+ and Dy3+/Eu3+ ions in Na3Gd(PO4)2 phosphors for solid state applications

University Sri Venkateshwara University
Year 2014
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Optical spectroscopy of Dy3+, Sm3+, Eu3+, Er3+, Nd3+ and Tb3+ ions in zincfluorophosphate glasses

University Sri Venkateshwara University
Year 2014
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Luminescence properties of Sm3+, Eu3+, Dy3+, Er3+, and Nd3+ ions in fluorophosphates glasses for photonic applications

University Sri Venkateshwara University
Year 2016
Downloads 0

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

University Sri Venkateshwara University
Year 2016
Downloads 0

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

University Sri Venkateswara University
Year 2018
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Absorption and Luminescence Dynamics of Nd3+, Eu3+, Dy3+ single and Nd3+/Eu3+ co-doped Lead Fluorosilicate Glasses for Photonic Device Applications

University Sri Venkateswara University
Year 2019
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Optical and energy transfer studies of Pr3+, Sm3+, Eu3+, Tb3+, Dy3+, Tm3+ and Yb3+ ions in transparent oxyfluorosilicate glasses and glass-ceramics

University Sri Venkateswara University
Year 2019
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Spectral analysis of Nd3+, Er3+, Sm3+/ Yb3+, Ho3+/ Yb3+ and Er3+/Tm3+ doped zinc tellurite glasses for optical amplification and solar cell applications

University Sri Venkateswara University
Year 2019
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Visible and near infrared spectroscopic properties of Pr3+, Er3+, Tm3+ and Er3+/Yb3+ ions in lead phosphate glasses for optical device applications

University Sri Venkateswara University
Year 2020
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Optical, photoluminescence tunability and energy transfer studies of Sm3+, Ce3+/Sm3+, Ce3+/Eu3+, and Ce3+/Dy3+ ions in fluorophosphates glasses for lighting applications

University Sri Venkateswara University
Year 2021
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Structural and optical properties of Pr3+, Sm3+, Eu3+ and Dy3+ ions in Ca2SiO4 phosphors synthesized from agricultural waste for solid state lighting applications

University Sri Venkateswara University
Year 2021
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Studies of aerosol optical, microphysical and radiative properties over a tropical urban station. http://hdl.handle.net/10603/409048

University Sri Venkateswara University
Year 2022
Downloads 0
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Scholarly Publications

Optical properties of EuF3 and GdF3 and paramagnetic susceptibility of EuF3

Journal Article
PHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS. Year: 1986. Volume: 133 , Issue: 1 , Pages: 345-353 .
Authors: C. K. Jayasankar; E. Antic‐Fidancev; M. Lemaitre Blaise; P. Porcher
DOI 10.1002/pssb.2221330140 Crossref Crossref: 12 Scopus Scopus: 15

Spin‐Correlated Crystal‐Field Analyses of the 4f2(Pr3+) Energy Levels in LiYF4:Pr3+ and LiBiF4:Pr3+

Journal Article
PHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS. Year: 1989. Volume: 155 , Issue: 1 , Pages: 221-230 .
Authors: C. K. Jayasankar; F. S. Richardson
DOI 10.1002/pssb.2221550122 Crossref Crossref: 26 Scopus Scopus: 28

Comparative Crystal‐Field Analyses of 4fN Energy Levels in LiYF4:Ln3+ Systems

Journal Article
PHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS. Year: 1989. Volume: 155 , Issue: 2 , Pages: 559-569 .
Authors: C. K. Jayasankar; M. F. Reid; F. S. Richardson
DOI 10.1002/pssb.2221550226 Crossref Crossref: 46 Scopus Scopus: 54

Electronic spectra and crystal-field analysis of DyCl63- in elpasolite lattices

Journal Article
Molecular Physics. Year: 1988. Volume: 65 , Issue: 1 , Pages: 49-63 .
Authors: Peter A. Tanner; C.K. Jayasankar; Frederick S. Richardson
DOI 10.1080/00268978800100841 Crossref Crossref: 11 Scopus Scopus: 12

Analysis and comparison of holmium 4f10 energy levels in cs2nahocl6 and cs2nahobr6

Journal Article
Molecular Physics. Year: 1987. Volume: 61 , Issue: 3 , Pages: 635-644 .
Authors: C.K. Jayasankar; F.S. Richardson; Peter A. Tanner; Michael F. Reid
DOI 10.1080/00268978700101361 Crossref Crossref: 25 Scopus Scopus: 25

Crystal free‐ion energy level analysis of Er3+ (4f11) in various crystal hosts. I. Halides and garnet systems

Journal Article
Year: 1992. Volume: 131 , Issue: 1 , Pages: 191-200 .
Authors: A. Renuka Devi; E. Rukmini; C. K. Jayasankar
DOI 10.1002/pssa.2211310130 Crossref Crossref: 30 Scopus Scopus: 33

Electron paramagnetic resonance and optical absorption spectra of Gd3+ ions in alkali cadmium borosulphate glasses

Journal Article
PHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS. Year: 1992. Volume: 174 , Issue: 1 , Pages: 183-191 .
Authors: A. S. Rao; J. L. Rao; V. V. R. K. Kumar; C. K. Jayasankar; S. V. J. Lakshman
DOI 10.1002/pssb.2221740118 Crossref Crossref: 21 Scopus Scopus: 22

Optical properties of Er3+ ions in zinc borosulphate glasses

Journal Article
PHYSICA STATUS SOLIDI (B) BASIC SOLID STATE PHYSICS. Year: 1996. Volume: 195 , Issue: 1 , Pages: 287-296 .
Authors: V. V. Ravi Kanth Kumar; C. K. Jayasankar; R. Jagannathan
DOI 10.1002/pssb.2221950132 Crossref Crossref: 9 Scopus Scopus: 10
Showing 1 to 8 of 361 publications