Dr. R.Rama Kumar



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Designation: Associate Professor

Date of Joining: 18-09-2006

Research Interests: Preparation of Inorganic Glasses Doped with Transition Metal Ions and their Characterisation by EPR & Optical Absorption Spectral Studies as these Materials find Potential Applications in Various Fields such as Industry, Science, Technology and other Allied Fields

Qualifications:
1983 B.Sc., Sri Venkateswara University, Tirupati, Andhra Pradesh, India
1985 M.Sc., Sri Venkateswara University, Tirupati, Andhra Pradesh, India
1988 M.Phil., Sri Venkateswara University, Tirupati, Andhra Pradesh, India
1996 Ph.D., Sri Venkateswara University, Tirupati, Andhra Pradesh, India

Papers Published in National/International Journals: 16

Fellowships Awarded:

  1. Recipient of an SRF from the CSIR, New Delhi during 1991 - 93
  2. Recipient of an RA Fellowship in UGC - SAP to work on Optical Glasses under the Co-ordinatorship of Prof.A.K.Bhatnagar of the University of Hyderabad, Hyderabad during 1997 - 2000

Professional Memberships:
  • Life Member, ISTE, New Delhi
  • IAENG Member, Hong Kong
  • ISEIS, Canada

    • List of Paper Publications:

    1. EPR of Gadolinium ions in alkali lead borate glasses, Manuscript under Preparation.
    2. EPR of Vanadyl ions in alkali lead borate glasses, Mat.Lett. 57 (2002) 178.
    3. EPR and optical absorption of Cu2+ ions in ternary K2SO4-Na2SO4-ZnSO4 glasses, Solid State Commun.114 (2000) 493.
    4. EPR and optical absorption of Cr3+ ions in ternary K2SO4-Na2SO4-ZnSO4 glasses, Rad. Eff. Def. Solids 147 (1999) 293.
    5. Absorption spectral properties of Cu2+ ions in sodium potassium sulphate, Ferroelectr. Lett. 23 (1997) 81.
    6. EPR and optical absorption of Mn2+ ions in ternary K2SO4-Na2SO4-ZnSO4 glasses, Trans. Met. Chem. 21 (1996) 390.
    7. EPR and optical absorption of VO2+ ions in K2SO4-Na2SO4-ZnSO4 glasses, Opt. Mater. 4 (1995) 723.
    8. Optical absorption spectrum of Ni2+ ions in sodium ammonium sulphate dihydrate single crystal, Ferroelectr. Lett. 20 (1995) 105.
    9. Optical absorption spectrum of Cr3+ ions in sodium ammonium sulphate dihydrate single crystal, Ferroelectr. Lett. 19 (1995) 75.
    10. Optical absorption spectrum of Co2+ ion impurities in lithium sodium potassium sulphate single crystal, Cryst. Res. Technol. 30 (1995) 853.
    11. Absorption spectrum of Ni(II) ions doped in lithium sodium potassium sulphate single crystal, Acta Phys. Polon. A 87 (1995) 1023.
    12. Optical absorption spectrum of Cu2+ ions in lithium sodium potassium sulphate single crystal, Cryst. Res. Technol. 28 (1993) 535.
    13. Optical absorption spectrum of Ni2+ ions in ammonium dihydrogen phosphate, Phys. Scr. 44 (1991) 263.
    14. Optical absorption spectrum of Ni2+ ions doped in sodium potassium sulphate single crystal, Czech. J. Phys. 41 (1991) 92.
    15. Electronic absorption spectrum of Co2+ ions doped in potassium dihydrogen phosphate single crystal, Ferroelectr. Lett. 10 (1989) 69.
    16. Optical absorption spectrum of Co2+ ions doped in sodium potassium sulphate single crystal, Mat. Lett. 8 (1989) 375.
    17. Absorption spectrum of Cu2+ ions doped in ammonium aluminium sulphate single crystal, Mat. Lett. 8 (1989) 256.
    Contact Details:
    EMail:kumar@rvrjc.ac.in
    ramkumarphysics@gmail.com
    Phones: +91 8632288254 Ext: 281 Mobile No:+91 9985674228