Tripurari Prasad Sinha
 Professor, Physics
PhD: Bhagalpur University, Bhagalpur (1988)

Research interest

▪ 57Fe Mossbauer study of inorganic systems and its theoretical investigation of isomershift, nuclear quadrupole splitting and magnetic hyperfine field along with their temperature dependence using vibronic coupling effect.

▪ Ferroelectric and dielectric properties of complex A(B΄B˝)O3 oxides and double perovskite oxides using alternating current impedance spectroscopy.

▪ Electronic band structure, and optical and magnetic properties of perovskite oxides using density functional theory.

▪ Characterization of magnetic and semiconducting nanoparticles synthesized by chemical route.

▪ Transport property of glass, conducting polymer and liquid crystal.

Name of group members

    ▪ Dr. (Miss) Alo Dutta

    ▪ Dr. Ajay Kumar Himanshu

Important publications (ten)

  1. S. N. Choudhary, T. P. Sinha and K. K. P. Srivastava (1986), Orbit-lattice interaction and Mössbauer quadrupole splitting of 57Fe2+ in GeFe2O4, Physica Status Solidi (b), vol.137, pp.255-258.

  2.  K. K. P. Srivastava and T. P. Sinha (1987), Vibronic effects on the Mössbauer quadrupole splitting of Fe(II) in ferrous fluo-silicate (FeSiF6.6H2O), Journal de Physique, vol.48, pp.2119-2123.

  3. T. P. Sinha, S. N. Choudhary and K. K. P. Srivastava (1987), Effect of orbit-lattice interaction on Mössbauer quadrupole splitting of Iron(II) in Fe(p-CH3C6H4SO3)2, Physica Status Solidi (b), vol.142, pp.221-227. 

  4. K. K. P. Srivastava and T. P. Sinha (1989), Electronic states and quadrupole splitting of Fe(II) in deoxyhaemoglobin under dynamic crystal field potential approach, Hyperfine Interactions, vol.47, pp.613-615. 

  5. T. P. Sinha (1992), Vibronic-coupling effect on the paramagnetic Fe2+ ions in an insulator: Mössbauer quadrupole splitting in a biological system, Physical Review B, vol.46, pp.632-638. 

  6. T. P. Sinha (1992), Influence of electron-phonon coupling on the Mössbauer quadrupole interaction in FeSiF6.6H2O, Physica Status Solidi (b), vol.169, pp.561-570. 

  7. T. P. Sinha, D. Das and M. Bhattacharya (1993), Mössbauer study on M1 qnd M2 sites of Fe2+ in natural hypersthene under dynamic crystal field potential approach, Hyperfine Interactions, vol.77, pp.29-42. 

  8. T. P. Sinha (1993), Electronic states and Fe2+ quadrupole splitting in Fe[(CH3)2SO]6(ClO4)2 under orbit-lattice interaction, Physica B, vol.183, pp.312-316. 

  9. S. Sharma, R. Sati, R. N. P. Choudhary and T. P. Sinha (1993), Diffuse phase transition in solid solution of Pb(Mg1/4Zn1/4Nb1/2)O3-d and PbTiO3, Materials Letters, vol.16, pp.281-285. 

  10. T. P. Sinha, S. Ganguli and M. Bhattacharya (1993), Fe2+ quadrupole splitting in dolomite under orbit-lattice interaction - a Mössbauer study, Physica Status Solidi (b), vol.180, pp.423-429. 

  11. K. Prasad, R. Sati, R. N. P. Choudhary and T. P. Sinha (1993), Synthesis and electrical studies of modified PbTiO3 ceramics : (Pb1-xCax) (Mn0.05W0.05Ti0.90)O3, Bulletin of Materials Science, vol.16, pp.679-684. 

  12. T. P. Sinha (1993), Orbit-lattice interaction and Mössbauer quadrupole splitting of ferrous ions in ferrous-diphenyl-sulfoxide-chlorate, Physical Review B, vol.47, pp.13998-14002. 

  13. T. P. Sinha, M. Mukherjee, D. Chakravorty and M. Bhattacharya, (1996), Mössbauer study of nanocomposite Fe2O3-SiO2 prepared by sol-gel method, Indian Journal of Physics, vol.70A, pp.741-746. 

  14. S. Nandi, S. Sen-Mandi and T. P. Sinha (1997), Active oxygen and their scavengers in rice seeds (Oryza sativa cv. IET 4094) aged under tropical environmental conditions, Seed Science Research, vol.7, pp.253-259. 

  15. T. P. Sinha, Ranjana Roy, P. Mandal, M. Bhattacharya and C. K. Majumdar (1997), Mössbauer and magnetic studies of intermetallic Fe-Mn-Ti alloy, Indian Journal of Physics, vol. 71A, pp.267-271. 

  16. G. Das, S. Raj, J. Pothen, M. R. Sethuraj, T. P. Sinha and S. Sen-Mandi (1998), Status of free radical and its scavenging system with stimulation in Hevea brasiliensis, Plant Physiology & Biochemistry, vol.25, pp.47-50. 

  17. T. K. Kundu, M. Mukherjee, D. Chakravorty and T. P. Sinha (1998), Growth of nano a-Fe2O3 in titania matrix by the sol-gel route, Journal of Materials Science, vol.33, pp.1759-1763. 

  18. S. Kumar, K. Roy, K. Maity, T. P. Sinha, D. Banerjee, K. C. Das and R. Bhattacharya (1998), Superparamagnetism and collective magnetic excitations in Fe-Ni alloys at low Ni concentration, Physica Status Solidi (a), vol.167, pp.175-181. 

  19. Sonali Saha, S. K. Siddhanta, B. Roy and T. P. Sinha (1998), Ultrasonic studies on stable aqueous polyaniline prepared using water soluble support polymer, Journal of Acoustical Society of India, vol.26, pp.97-100.  

  20. S. R. Shannigrahi, R. N. P. Choudhary, H. N. Acharya and T. P. Sinha (1999), Characterisations of sol-gel derived (PbLaLi)(Zr0.60Ti0.40)O3 system, Journal of Applied Physics, vol.85, pp.1713-1721. 

  21. S. R. Shannigrahi, R. N. P. Choudhary, H. N. Acharya and T. P. Sinha (1999), Structural, electrical and piezoelectric properties of rare-earth doped PZT ceramics, Indian Journal of Pure & Applied Physics, vol.37, pp.359-362.

  22.  S. R. Shannigrahi, R. N. P. Choudhary, H. N. Acharya and T. P. Sinha (1999), Phase transition in sol-gel-derived Na-modified PLZT ceramics, Journal of Physics D: Applied Physics, vol.32, pp.1539-1547. 

  23. Sonali Saha, T. P. Sinha and Abhijit Mookerjee (2000), Structural and optical properties of paraelectric SrTiO3, Journal of Physics: Condensed Matter, vol.12, pp.3325-3336. 

  24. Sonali Saha, B. Roy, S. K. Siddhanta and T. P. Sinha (2000), Hydrogen bonding in conducting polymer: an ultrasonic study, Indian Journal of Physics, vol.74A, pp.379-381. 

  25. S. R. Shannigrahi, R. N. P. Choudhary, H. N. Acharya and T. P. Sinha (2000), Microstructure and electrical characterisations of sol-gel derived PLKZT (8/60/40), Journal of Materials Science, vol.35, pp.1737-1742. 

  26. Sonali Saha, T. P. Sinha and Abhijit Mookerjee (2000), Electronic structure, chemical bonding and optical properties of paraelectric  BaTiO3, Physical Review B, vol.62, pp.8828-8834. 

  27. Dilip K. Ray, Ranjana K. Roy, B. Roy and T. P. Sinha (2000), Ultrasonic studies of composite conducting polymer, Journal of Acoustical Society of India, vol.28, pp.289-291. 

  28. S. Saha, T. P. Sinha and A. Mookerjee (2000), First principles study of electronic structure and optical properties of CaTiO3, European Physical Journal B, vol.18, pp.207-214. 

  29. S. K. Sinha, R. N. P. Choudhary, S. N. Choudhary and T. P. Sinha (2001), Diffuse phase transitions in Pb(Mn1/4Cu1/4W1/2)O3 ceramics, Materials Letters, vol. 51, pp.336-341.  

  30. T. P. Sinha (2001), Vibronic coupling effect on Fe2+ Mössbauer quadrupole splitting in CsCoCl3, Journal of Physics: Condensed Matter, vol.13, pp.7465-7472. 

  31. S. K. Sinha, R. N. P. Choudhary, S. N. Choudhary and T. P. Sinha (2001), Structural and electrical behavior in Pb(Mg1/4Cd1/4Mo1/2)O3, Journal of Physics and Chemistry of Solids, vol.63, pp.323-329.  

  32. T. P. Sinha (2001), Mössbauer quadrupole splitting of Fe2+ in NH4CoCl3 under orbit-lattice interaction, International Journal of Modern Physics B, vol.15, pp.4223-4229. 

  33. Sonali Saha and T. P. Sinha (2002),          Structural and dielectric studies of BaFe0.5Nb0.5O3, Journal of Physics: Condensed Matter, vol.14, pp.249-258. 

  34. K. K. Saha, T. Saha-Dasgupta, Abhijit Mookerjee, S. Saha and T. P. Sinha (2002), Optical properties of perovskite alkaline earth titanates: a formulation and comparison with experiment, Journal of Physics: Condensed Matter, vol.14, pp.3849-3863. 

  35. D. K. Ray, P. Ray, P. K. Dutta, T. Maji and T. P. Sinha (2002), An analysis of collimator scatter factors of mega voltage photon beam, Journal of Medical Physics, vol.27, pp.266-267. 

  36. Sonali Saha and T. P. Sinha (2002),          Low temperature scaling behaviour of BaFe0.5Nb0.5O3, Physical Review B, vol.65, pp.134103 1-7. 

  37. P. K. Bajpai, K. Ratre, M. Pastor and T. P. Sinha (2003), Preparation, characterization and dielectric behaviour of some yttrium doped strontium stannates, Bulletin of Materials Science, vol. 26, pp.461-464. 

  38. D. K. Ray, P. Chaudhuri, P. Ray, R. Das and T. P. Sinha (2003), Domestic analysis of measured, derived and BJR published tissue maximum ratios of high energy photon beam, Journal of Medical Physics, vol.28, pp.119-120.  

  39. D. K. Ray, T. Maji, P. Ray, T. P. Sinha, S. Pal, and G. Muthukrishnan (2003), Characteristic parameters of 6-18 Mev electron beams from KD-2 Linac, Journal of Medical Physics, vol.28, pp.164-166. 

  40. R. Das, D. K. Ray, P. Chaudhuri and T. P. Sinha (2004), Comparison of measured and calculated electron dose due to air gap between application and patient skin in linear accelerator, Journal of Medical Physics, vol.29, pp.136-137.  

  41. A. K. Himanshu, D. K. Ray and T. P. Sinha (2005), AC conductivity of conducting polymer prepared with the use of water soluble support polymer, Indian Journal of Physics, vol.74A, pp.1049-1052.  

  42. S. Prasad, K. Prasad, S. N. Choudhary and T. P. Sinha (2005), Electrical behaviour of 0.80Pb[(Mg,Zn)1/3Ta2/3]O3-0.20PbTiO3 relaxor, Physica B, vol.364, pp.206-212. 

  43. D. K. Ray, A. K. Himanshu and T. P. Sinha (2005), Study of impedance spectroscopy conducting polymer prepared with the use of water soluble support polymer, Indian Journal of Pure & Applied Physics, vol.43, pp.787-793. 

  44. D. K. Ray, P. Kumar, T. Maji and T. P. Sinha (2005), Estimation of transit time, timer linearity and end error of high intensity 192Ir HDR brachytherapy source in microselectron HDR machine, Journal of Medical Physics, vol.30, pp.241-242. 

  45. A. Kumar, K. Prasad, S. N. Choudhary and T. P. Sinha (2005), Phase transition in Pb[(Mg3/4Cu1/4)1/3Nb2/3]O3 ceramic, Indian Journal of Engineering and Materials Sciences, vol.12, pp.586-590. 

  46. Sonali Saha and T. P. Sinha (2006), Dielectric relaxation in SrFe1/2Nb1/2O3, Journal of Applied Physics, vol.99, pp.014109 1-5. 

  47. Alo Dutta and T. P. Sinha (2006), Dielectric relaxation in perovskite BaAl1/2Nb1/2O3, Journal of Physics and Chemistry of Solids, vol.67, pp.1484-1491.  

  48. A. K. Himanshu, D. C. Gupta and T. P. Sinha (2006), Dielectric study of Ba(Zn1/3Nb2/3)O3 at low temperature, Indian Journal of Pure and Applied Physics, vol.44, pp.391-397. 

  49. S. K. Rout, E. Sinha, S. Panigrahi, J. Bera and T. P. Sinha (2006), Phase formation and dielectric phase transition in Ba1-xCaxTi0.6Zr0.4O3 solid solutions, Journal of Physics and Chemistry of Solids, vol.67, pp.2257-2262. 

  50. D. K. Mishra, D. K. Ray, T. Maji, P. Chaudhuri and T. P. Sinha (2006), Experimental verification of dependence of wedge factor on field size and energy in universal wedges, Journal of Medical Physics, vol.31, pp.174. 

  51.  Alo Dutta and T. P. Sinha (2007), Dielectric relaxation in complex perovskite BaFe1/2Sb1/2O3, International Journal of Modern Physics B, vol.21, pp.2965-2978. 

  52. Ved Prakash, Alo Dutta, S. N. Choudhary and T. P. Sinha (2007), Dielectric relaxation in perovskite Ba(Zn1/2W1/2)O3, Materials Science and Engineering B, vol.142, pp.98-105.  

  53. D. K. Ray, A. K. Himanshu and T. P. Sinha (2007), Structural and low frequency studies of conducting polymer nanocomposites, Indian Journal of Pure and Applied Physics, vol.45, pp.692-699. 

  54. Alo Dutta, T. P. Sinha and Santiranjan Shannigrahi (2007), Dielectric relaxation and electronic structure of Ca(Fe1/2Sb1/2)O3, Physical Review B, vol. 76, pp.155113 1-7. 

  55. Alo Dutta, Chandrahas Bharti and T. P. Sinha (2008), AC conductivity and dielectric relaxation in CaMg1/3Nb2/3O3, Materials Research Bulletin, vol.43, pp.1246-1254. 

  56. Ved Prakash, S. N. Choudhary and T. P. Sinha (2008), Dielectric relaxation in complex perovskite oxide BaCo1/2W1/2O3, Physica B, vol. 403, pp.103-108. 

  57. S. K. Rout, T. Badapanda, E. Sinha, S. Panigrahi, P. K. Barhai and T. P. Sinha (2008), Dielectric and phase transition of BaTi0.6Zr0.4O3 ceramics prepared by a soft chemical route, Applied Physics A, vol. 91, pp.101-106. 

  58. Alo Dutta, Chandrahas Bharti and T. P. Sinha (2008), Dielectric relaxation and ac conductivity study in SrMg1/3Nb2/3O3, Indian Journal of Engineering & Materials Sciences, vol. 15, pp.181-186. 

  59. Alo Dutta, T. P. Sinha, P. Jena and S. Adak (2008), Ac conductivity and dielectric  relaxation in ionically conducting soda-lime-silicate glasses, Journal of Non-Crystalline solids, vol. 354, pp.3952-3957. 

  60. S Prasad, K Prasad, S N Choudhary and T. P. Sinha (2008), Electrical properties of relaxor ferroelectric PMCT-PT-ZnO ceramic, Indian Journal of Engineering & Materials Sciences, vol. 15, pp.163-166. 

  61. Alo Dutta, Chandrahas Bharti and T. P. Sinha (2008), Dielectric relaxation in SrMg1/3Nb2/3O3, Physica B vol.403, pp.3389-3393. 

  62. Chandrahas Bharti, S. N. Choudhary, T. P. Sinha (2008), Relaxor behaviour in Pb(Fe0.5Nb0.5)O3, Journal of Surface Science and Technology, vol.24, pp.1-10. 

  63. T. Badapanda, S. K. Rout, S. Panigrahi, E. Sinha and T. P. Sinha (2008), Ferroelectric Phase Transition of Ba1-xSrxTi0.6Zr0.4O3 ceramics, Phase Transition, vol.81, pp. 897-906. 

  64. Alo Dutta, T. P. Sinha and Santiranjan Shannigrahi (2008), Dielectric relaxation and electronic structure of double perovskite Sr2FeSbO6, Journal of Applied Physics, vol. 104, pp.064114 1-6. 

  65. Alo Dutta, T. P. Sinha, B. Pahari, R. Sarkar, K. Ghoshray and Santiranjan Shannigrahi (2008), Dielectric relaxation and electronic structure of Ba(Al1/2Nb1/2)O3: x-rayphotoemission and nuclear magnetic resonance studies, Journal of Physics: Condensed Matter, vol. 20, pp.445206 1-8. 

  66. T. Badapanda, S. K. Rout, S. Panigrahi and T. P. Sinha (2008), Relaxor behaviour of (Ba0.5Sr0.5)(Ti0.6Zr0.4)O3 ceramics, Bulletin of Materials Science, vol.31, pp.1-5. 

  67. Ashwani Kumar, S. M. Rafique and T. P. Sinha (2008), Electronic transport, density of states and ground state properties of Li-In binary alloy, Physica B, vol. 403, pp. 3374-3378. 

  68. S. Prasad, K. Prasad, S. N. Choudhary and T. P. Sinha (2008), Electrical properties of 0.90Pb[(Mg,Zn)1/3 Ta2/3]O3 -0.10PbTiO3  relaxor, Materials Science - Poland, vol. 26, pp. 475-485. 

  69. Lata Agrawal, Alo Dutta and T. P. Sinha (2009), Dielectric relaxation in In(Mg0.5Ti0.5)O3 nanoceramic, Journal of Surface science and Technology, vol. 25, pp. 85-94. 

  70. Chandrahas Bharti, Alo Dutta, Santiranjan Shannigrahi, S. N. Choudhary, R. K. Thapa and T. P. Sinha (2009), Impedance spectroscopy, electronic structure and X-ray photoelectron apectroscopy studies of Pb(Fe1/2Nb1/2)O3, Journal of Electron Spectroscopy and Related Phenomena, vol. 169, pp. 80-85. 

  71. T. Badapanda, S. K. Rout, S. Panigrahi and T. P. Sinha (2009), Phase formation and dielectric study of Bi doped BaTi0.75Zr0.25O3 ceramic, Current Applied Physics, vol. 9, pp. 727-731. 

  72. R. Tripathi, A. Kumar and T. P. Sinha (2009), Dielectric properties of CdS nanoparticles synthesized by soft chemical route, Pramana Journal of Physics, vol. 72, pp. 969-978. 

  73. Ramna Tripathi, Chandrahas Bharti, Akhilesh Kumar and T. P. Sinha (2009), Dielectric relaxation in ZnO nanostructure, Journal of Surface Science and Technology, vol. 25, pp. 55-62. 

  74. A. Chakrabarti, J. Bera and T. P. Sinha (2009), Dielectric properties of BaBi4Ti4O15 ceramics produced by cost-effective chemical method, Physica B, vol. 404, pp. 1498-1502. 

  75. T. Badapanda, S. K. Rout, S. Panigrahi, T. P. Sinha and S. I. Woo (2009), Dielectric behaviour of yttrium doped barium-zirconium-titanate ceramics, Journal of Korean Physical Society, vol. 55, pp. 749-753.  

  76. T. Badapanda, S. K. Rout, S. Panigrahi, T. P. Sinha and S. I. Woo (2009), Effect of Dy substitution on dielectric properties of BTZ relaxor ceramics, Ferroelectrics, vol. 385, pp. 177-186. 

  77. Ramna Tripathi, Pritam Kumar, Akhilesh Kumar and T. P. Sinha (2009), Dielectric spectroscopy study of CdS nanoclusters synthesized by a soft chemical route, Journal of Surface Science and Technology, vol. 25, pp. 95-102. 

  78. Chandrahas Bharti, S. N. Choudhary and T. P. Sinha (2009), Ferroelectrc relaxor behaviour in Pb(Fe0.5Nb0.5)O3, Indian Journal of Physics, vol. 83, pp. 409-414. 

  79. Ashwani Kumar, S. M. Rafique and T. P. Sinha (2009), Complex formation study of thermodynamical, structural properties and density of states of Al-Mg binary alloy, Physica B, vol. 404, pp. 1933-1939. 

  80. A. K. Himanshu, D. C. Gupta, Alo Dutta, T. P. Sinha and S. K. Bandyopadhayay (2009), Structural and dielectric behaviour of barium substituted lead zinc niobate ceramics at low temperature, Indian Journal of Pure and Applied Physics, vol. 47, pp. 212-219. 

  81. Lata Agrawal. B. P. Singh and T. P. Sinha (2009), Dielectric relaxation in complex perovskite oxide In(Ni1/2Zr1/2)O3, Materials Research Bulletin, vol. 44, pp. 1858-1862. 

  82. Ashwani Kumar, S. M. Rafique and T. P. Sinha (2009), Electronic transport and ground state properties of Li-Mg binary alloy, Chinese Journal of Physics, vol. 47, pp. 215-225. 

  83. Chandrahas Bharti, Alo Dutta and T.P. Sinha (2009), Structural and Ferroelectric Properties of ComplexPerovskites Pb(1-x)Bax(Fe1/2Ta1/2)O3 (x = 0.00, 0.05, 0.1, 0.15), Ferroelectrics, vol. 392, pp. 20-32. 

  84. Ramna. Tripathi, Akhilesh Kumar, Chandrahas Bharti and T. P. Sinha (2010), Dielectric relaxation of ZnO nanostructure synthesized by soft chemical method, Current Applied Physics, vol.10, pp. 676-681.  

  85. Alo Dutta and T.P. Sinha (2010), Impedance spectroscopy study of BaMg1/3Nb2/3O3: Frequency and time domain analyses, Physica B, vol.405, pp.1475-1479. 

  86. T. Badapanda, S. K. Rout, L. S. Cavalcante, J. C. Sczancoski, S. Panigrahi, T. P. Sinha and E. Longo (2010), Structural and dielectric relaxor properties of yttrium-doped Ba(Zr0.25Ti0.75)O3 ceramics, Materials Chemistry and Physics vol. 121, pp. 147-153. 

  87. A. K. Himanshu, B. K Choudhary, D. C. Gupta, S. K. Bandyopadhayay and T. P. Sinha (2010), Impedance spectroscopy of perovskite barium substituted lead zinc niobate ceramics, Physica B, vol.405, pp.1608-1614. 

  88. Chandrahas Bharti and T. P. Sinha (2010), Dielectric Properties of Rare Earth Double Perovskite Oxide Sr2CeSbO6, Solid State Sciences  in press. 

  89. A. K. Himanshu, S. K. Bandyopadhyay, Pintu Sen, D. C. Gupta, Riya Chakraborty, Anoop K. Mukhopadhyay, B. K. Choudhary, and T. P. Sinha (2010),  Dielectric and micromechanical studies of barium titanate substituted(1-y) Pb(Zn1/3Nb2/3)O3 -yPT ferroelectric ceramics, Indian Journal of Pure and Applied Physics in press. 

  90. Alo Dutta and T. P. Sinha (2010), Magnetic structure of double perovskites Ca2MWO6 (M = Co, Ni): a first principles study, Journal of Magnetism and Magnetic Materials in press. 

  91. Alo Dutta, T.P. Sinha and Santiranjan Shannigrahi (2010), Electronic structure of Sr2AlNbO6: Dielectric and X-ray photoelectron spectroscopy study, Japanese Journal of Applied Physics in press.

 

 

Contact

tpsinha@bosemain.boseinst.ac.in

http://www.boseinst.ernet.in/tpsinha/