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you are here >> departments > physics
Department of physics - H R Sreepad

 Publications in National & International Conferences by H R Sreepad < Back

  1. Positron annihilation studies on the nasicon analogue Na2(La,Al)Zr(PO4)3.
    4th National symposium on crystal growth, Mysore, Aug 14-18, 1989.

  2. Positron trapping at structural vacancies in a superionic material.
    Solid State Physics Symposium, IIT Madras, Dec 19-22, 1989.

  3. Positron angular correlation studies on defect concentration in Na2(La,Al)Zr(PO4)3
    Solid State Physics Symposium, IIT Madras, Dec 19-22, 1989.

  4. Positron probe for defect study in nasicon analogue.
    8th National Symposium in Radiation Physics, BARC, Bombay, Jan 17-19, 1990.

  5. Isochronal annealing study in the Solder alloy (Pb67Sn33) using PLT.
    National symposium on recent trends in Nuclear Physics, Anna Univ., Madras, Feb 18-20, 1990.

  6. Positron annihilation studies on iodine doped polymerPoly(2,6-dimethyl-1,4-Phenylene oxide). S.S.P. Symposium (DAE), BARC, Bombay, Jan 1-4, 1991.

  7. Study of defects in a sodium superionic material using positron angular correlation technique. S.S.P. Symposium (DAE), BARC, Bombay, Jan 1-4, 1991.

  8. Study of variation of free volume size in the polymer PPO using PLT.
    S.S.P. Symposium (DAE), BARC, Bombay, Jan 1-4, 1991.

  9. Conductivity study in a nasicon analogue.
    S.S.P. Symposium (DAE), BARC, Bombay, Jan 1-4, 1991.

  10. Annealing study in the Pb-Sn alloy using PLT.
    S.S.P. Symposium (DAE), BARC, Bombay, Jan 1-4, 1991.

  11. Radiation induced changes in the free volume of a polymer matrix.
    International Conf. On Disordered materials(structure & properties), Feb 3-6, 1991. Indore, India.

  12. Positron lifetime study on binary amorphous alloy Pb67Sn33.
    International Conf. On Disordered materials(structure & properties), Feb 3-6, 1991. Indore, India.

  13. Positron annihilation study on the free volume properties of a polymer marix.
    International Conf. On Disordered materials(structure & properties), Feb 3-6, 1991. Indore, India.

  14. Positron probe for the study of microstructural changes in the polymer PA.
    9th National Symposium on Radiation Physics, Hyderabad, Nov 27-30, 1991.

  15. Effect of gamma radiation on positron trapping centers in a nasicon analogue.
    S.S.P. Symposium held at Varanasi, Dec 27-30, 1991.

  16. Positron trapping rates in a gamma irradiated polymer matrix.
    S.S.P. Symposium held at Varanasi, Dec 27-30, 1991.

  17. Positron lifetime study of a Cobalt based amorphous alloy.
    S.S.P. Symposium held at Varanasi, Dec 27-30, 1991.

  18. A study of Radiation induced changes in the polymer Poly-Formaldehyde Accepted for presentation in the International conference "CONVERGENCE OF SCIENCE & ENGINEERING IN EDUCATION AND RESEARCH, A GLOBAL PERSPECTIVE IN THE NEW MILLENIUM" (ISCE2010) to be held in Bangalore during April 21-23, 2010.
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Publications in National & International Refereed Journals < Back
  1. Structural phase transition in a superionic conductor- Na2(La,Al)Zr(PO4)3 : Positron
    Annihilation Study. Physica Status Solidi (a) 120, 411 (1990)

  2. Radiation induced changes in the free volume properties of the polymer PPO.
    Physica Status Solidi (a) 124, 441 (1991).

  3. Nature of positron trapping centers in a gamma irradiated Nasicon analogue.
    Physica Status Solidi (a) 128, 1 (1991).

  4. Positron lifetime study in the Eutectic alloy Pb50Sn50.
    Physics Teacher(1992) Jan-Mar 1992 p.11.

  5. Positron lifetime study in an eutectic alloy Pb79Sb16Sn5.
    Material Science Forum Vol 105-110(1992)p.1245.

  6. Positron lifetime and optical studies on poly ethylene glycol.
    Material Science Forum Vol 105-110(1992)p.1707.

  7. Effect of gamma irradiation on the positron trapping centers in the polymer PPO.
    Material Science Forum Vol 105-110(1992)p.1245.

  8. Structural relaxation and crystallization of metallic glasses – Fe35Co52V13 and
    Fe45Co45V6Ni4 : Positron annihilation study. Physica Status Solidi (a) 117, 53 (1990)

  9. Positron annihilation studies on nasicon analogue containing cation vacancies.
    Bulletin of Materials Science, 13, No3, 211 (1990).

  10. Positron lifetime study on micro-structural changes in Iodine doped polymer PPO.
    Physica Status Solidi (a)125, 509 (1991).

  11. Doppler broadening and conductivity measurements in a nasicon analogue.
    Solid State Ionics. 48, 173 (1991).

  12. Positron annihilation study of structural relaxation and crystallization in a cobalt based metallic glass.
    Material Science Forum Vol 105-110(1992)p.1201.

  13. Isochronal annealing study of positron trapping centers in a polymer matrix.
    Material Science Forum Vol 105-110(1992)p.1245.

  14. Microstructural changes in the polymer Poly Acrylonitrile: A Positron Annihilation Study.
    Physical Review B, 46, p. 11471 (1992)

  15. PLS of the free volume properties in the polymer polyacrylonitrile,
    Phy Lett A 174 (1993) 428-432.

  16. First-principles study of electronic and dielectric properties of Polyoxymethylene.
    (In Press)
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 Publications in State level Conferences by H R Sreepad < Back
  1. Gravitation : State level conference, Yuvaraja college, Mysore ; 22-26, Aug 2005

  2. Raman Effect: State level conference, Yuvaraja college, Mysore ; 22-26, Aug 2005

  3. Attract rural students towards Science Education : UGC sponsored seminar on `Popularizing basic science courses – A modern approach` held at Govt. Science college, Hassan – 31 Aug to 1st Sept 2007.

  4. Combating terrorism by NCC activities; NCC Conference, AFG College, Channarayapatna, 21 Nov 2008.

  5. A comparative study of average free volume size in a polymer matrix: UGC Sponsored two day seminar on Emerging trends in Liquid crystals & Coordination compounds, St. Philomena’s College, Mysore; 21-22 Aug 2009.

  6. Looking at the Dark matter, State level seminar, JSS College, Chamarajanagar, 31 March 2010.
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