Manpower Details

Designation: Scientist D
Emp ID: 2049
Work Place: Hyderabad Laboratory
Specialisation:

Symposia / Conferences

  1. Synthesis and characterization of high purity Hafnium metal powder – Indian perspective, Y.Purushotham, R.Govindaiah, T.Balaji, S.Rajesh Kumar, Arbind Kumar, M.K.Sharma, M.R.P.Reddy and T.L.Prakash, International Conference on Powder Metallurgy PM07, February 9-11, 2007, Noida, India

Journals

  1. Structural, Magnetic, and Dielectric Properties of Ni0.5Zn0.5AlxFe2−xO4 Nano Ferrites, B.Rajesh Babu, K.V.Ramesh, M.S.R.Prasad, Y.Purushotham, Journal of Superconductivity and Novel Magnetism, 29 (2016) DOI 10.1007/s10948-015-3350-9

  2. Structural, morphological, physical and dielectric properties of Mn doped ZnO nanocrystals synthesized by sol-gel method, V. D. Mote, Y. Purushotham and B. N. Dole, Materials and Design 96 (2016) 99-105

  3. Electrical and Dielectric properties of non-magnetic Al3+ substituted Ni-Zn Nano ferrites for high frequency applications, B.Rajesh Babu, M.S.R. Prasad, K.V.Ramesh, Y.Purushotham, Journal of Inorganic and Organometallic Polymers and Materials, 26 (2016) 589-597

  4. Structural and optical studies of Cr doped ZnO Nanocrystals, M.R.Bodke, Y. Purushotham and B.N. Dole, International Journal of Chemistry, 4 (2015) 251-258

  5. Effect of doping on structural, physical, morphological and optical properties of Zn1-xMnxO nano-particles, V.D. Mote, J.S.Dargad, Y. Purushotham and B.N. Dole, Ceramics International, 41 (2015) 15153-15161

  6. Study of microstructure and augmentation of dc electrical resistivity due to Al3+ substitution in Ni-Zn nano ferrite system synthesized via auto combustion, B.Rajesh Babu, K.V.Ramesh, Y.Purushotham, Modern Physics Letters B, 26 (2015) 1550151-16

  7. Structural and optical properties of Cr doped ZnS nanorods, M.R.Bodke, Y. Purushotham and B.N. Dole, Journal of Ceramic Processing Research, 16 (2015) 601–604

  8. Structural, optical and antibacterial properties of Yttrium doped ZnO nanoparticles, V.D.Mote, Y.Purushotham, R.S.Shinde, B.N.Dole, Cerâmica, 61 (2015) 457-461

  9. Crystallographic and optical studies on Cr doped ZnS nanocrystals, M.R.Bodke, Y. Purushotham and B.N. Dole, Cerâmica, 60 (2014) 425-428

  10. Structural and Magnetic properties of Ni0.5Zn0.5AlxFe2-xO4 nano ferrite system, B.Rajesh Babu, M.S.R.Prasad, K.V.Ramesh, Y.Purushotham, Materials Chemistry and Physics, 148 (2014) 585-591

  11. Synthesis and characterization of Mn doped ZnO Nanoparticles, V.D. Mote, S.S.Shah, B.N. Dole and Y. Purushotham, International Journal of Nanoscience, 12 (2013) 13500041-7

  12. Structural, morphological and optical properties of Mn doped ZnS nano-crystals, V.D. Mote, Y. Purushotham and B.N. Dole, Cerâmica, 59 (2013) 395-400

  13. Structural, W-H analysis and magnetic studies of Mn substituted ZnO Nanocrystals, V.D. Mote, V.R.Huse, Y. Purushotham and B.N. Dole, International Journal of Chemistry, 2 (2013) 330-338

  14. Synthesis and characterization of Mn doped ZnS nanometer-sized particles, V.D. Mote, V.R. Huse, Y. Purushotham, S.S. Shah and B.N. Dole, AIP Conf. Proceedings, 1447 (2012) 217-218

  15. Williamson-Hall analysis in estimation of lattice strain in nanometer-sized ZnO particles, V.D. Mote, Y. Purushotham and B.N. Dole, Journal of Theoretical and Applied Physics, 6 (2012) 1-8

  16. Synthesis and characterization of Pr substituted Gd-123 high-Tc superconductors, V.R.Huse, V.D. Mote, Y. Purushotham and B.N. Dole, Cerâmica, 58 (2012) 381

  17. Synthesis and estimation of Co doped ZnO Nanocrystals by Williamson-Hall analysis, V.D. Mote,, V.R.Huse, Y. Purushotham and B.N. Dole, International Journal of Chemistry, 1 (2012) 374

  18. Structural studies of Mn doped ZnO nanoparticles, B.N.Dole, V.D.Mote, V.R.Huse, Y.Purushotham, M.L.Kande, K.M.Jadhav and S.S.Shah, Current Applied Physics, 11 (2011) 762 – 766

  19. Structural and morphological studies on Mn substituted ZnO nanometer-sized crystals, V.D.Mote, Y.Purushotham, and B.N.Dole, Crystal Research and Technology, 6 (2011) 705–710

  20. Synthesis and structural Study on Co substituted ZnO Nanoscale Crustals, V.D. Mote, V.R. Huse, Y. Purushotham and B.N. Dole, Asian Journal of Chemistry, 23 (2011) 5595-5597

  21. Quality improvements in Tantalum powder by Automation of Sodium Reduction System, Y.Purushotham, K.Ravindranath, R.Govindaiah, Arbind Kumar and T.L.Prakash, International Journal of Refractory Metals and Hard Materials, 27 (2009) 571 - 576

  22. Effect of phosphorus addition on physical and electrical properties of Tantalum powder, Y.Purushotham, R.Govindaiah, Arbind Kumar and T.L.Prakash, Modern Physics Letters B, 21 (2007) 1431 - 1435

  23. Elastic behavior of Pr substituted Y-123 Superconducting Materials, B.N.Dole, Y.Purushotham, P.Venugopal Reddy and S.S.Shah, Modern Physics Letters B, 20 (2006) 843 - 847

  24. Dielectric formation and electrical characterization of sintered Tantalum slugs, R.Govindaiah, T.Balaji, Arbind Kumar, N.Parasuram, Y.Purushotham, M.K.Sharma and T.L.Prakash, Modern Physics Letters B, 19 (2005) 1 – 6

  25. Structural and magnetic properties of NiZn ferrites prepared by Microwave sintering, Monica Sorescu, L.Diamandescu, R. Peelamedu, Rustum Roy and Purushotham Yadoji, Journal of Magnetism and Magnetic Materials, 279 (2004) 195 – 201

  26. Temperature dependent thermoelectric power of CuO, ZnO and TiO2 substituted for PbO in eutectic Lead Vanadate glass system, K.V.Ramesh, D.L.Sastry and Y.Purushotham, International Journal of Modern Physics B, 18 (2004) 3327 - 3341

  27. Microwave sintering of Ni-Zn ferrites: comparison with conventional sintering, Purushotham Yadoji, Ramesh Peelamedu, Dinesh Agrawal, Rustum Roy, Materials Science and Engineering B, 98 (2003) 269 – 278

  28. Ultralow dielectric constant nickel-zinc ferrites using microwave sintering, Ramesh Peelamedu, Crig Grimes, Dinesh Agrawal, Rustum Roy, Purushotham Yadoji, Journal of Materials Research, 18 (2003) 2292 – 2295

  29. Lower dielectric constant Ni-Zn ferrites, obtained by systematic use of Microwave sintering, Purushotham Yadoji, Ramesh Peelamedu, Dinesh Agrawal, Rustum Roy, Ceramic Transactions, 154 (2003) 101 - 112

  30. Studies on the oxygen pick-up of vibratory disk milled capacitor grade Tantalum powder, T.Balaji, Y.Purushotham, R.Govindaiah, M.K.Sharma, Arbind Kumar and T.L.Prakash, Modern Physics Letters B, 17 (2003) 1399 - 1403

  31. Effect of Nb2O5 on the Elastic behaviour of PZT Ferroelectric Materials, Y.Purushotham, O.P.Thakur, Chandra Prakash and P.Venugopal Reddy, Modern Physics Letters B, 16 (2002) 79 – 85

  32. Sintering and electrical properties of Tantalum anodes for capacitor applications, T.Balaji, R.Govindaiah, M.K.Sharma, Y.Purushotham, Arbind Kumar and T.L.Prakash, Materials Letters, 56 (2002) 560 – 563

  33. A metallothermic route for producing capacitor grade Tantalum powder, Y.Purushotham, T.Balaji, Arbind Kumar and T.L.Prakash, Transactions of The Indian Institute of Metals, 55 (2002) 301-305

  34. Hydriding, powder processing and dehydriding of Tantalum for capacitor applications, T.Balaji, Y.Purushotham, Arbind Kumar, R.Govindaiah, M.K.Sharma and T.L.Prakash, Metals, Materials and Processes, 14 (2002) 155 – 162

  35. Chemical and physical properties of Tantalum, Y.Purushotham, T.Balaji, Arbind Kumar, R.Govindaiah, M.K.Sharma, V.C.Sethi and T.L.Prakash, Modern Physics Letters B, 15 (2001) 867-871

  36. Elastic behaviour of LiMgZn and LiMgTiZn ferrites, Nitendar Kumar, Y.Purushotham, Pran Kishan and P.V.Reddy, Journal of Magnetism and Magnetic Materials, 192 (1999) 116 – 120

  37. Elastic behaviour of some substituted Sr-Zn W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, Modern Physics Letters B, 13 (1999) 991 – 998

  38. Electrical and elastic behaviour of In and Al substituted Mg-Mn ferrites, Y.Purushotham, Mahavir Singh, S.P.Sud and P.V.Reddy, International Journal of Modern Physics B, 12 (1998) 2247-2262

  39. Electrical conduction mechanism in LiMgZn and LiMgTiZn ferrites, Nitender Kumar, Pran Kishan, Y.Purushotham, P.V.Reddy and Z.H.Zaidi, Journal of The Magnetics Society of Japan, 22 (1998) 26-28

  40. Orientation of the magnetic ions in monovalent and divalent doped Sr-Zn W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, Journal of The Magnetics Society of Japan, 22 (1998) 46-48

  41. Elastic behaviour of some substituted Nickel ferrites, K.V.P.Rao, Y.Purushotham and J.S.Chandel, Crystal Research and Technology, 31 (1996) 329-333

  42. Charge transport and conduction mechanism of some substituted strontium W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, International Journal of Modern Physics B, 10 (1996) 319-336

  43. The influence of spin-reorientation on the dielectric behaviour of cobalt substituted W-type Ba-Zn hexagonal ferrites, V.D.Reddy, Y.Purushotham, M.B.Reddy and P.V.Reddy, Modern Physics Letters B, 10 (1996) 1461-1470

  44. Electrical transport properties of germanium substituted lithium ferrites, Y.Purushotham, Pran Kishan, Nitendar Kumar and P.V.Reddy, Materials Letters, 22 (1995) 47-54

  45. Elastic behaviour of germanium substituted lithium ferrites, Y.Purushotham, P.V.Reddy, Pran Kishan and Nitendar Kumar, Modern Physics Letters B, 9 (1995) 39-44

  46. Ultrasonic investigation of titanium substituted lithium magnesium ferrites, Y.Purushotham, V.D.Reddy, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy, Physica Status Solidi (a), 148 (1995) K17-K21

  47. Elastic behaviour of titanium substituted magnesium ferrites, Y.Purushotham, V.D.Reddy, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy, Materials Research Bulletin, 30 (1995) 1015-1022

  48. Electrical transport properties of some substituted nickel ferrites, Y.Purushotham, J.S.Chandel, S.P.Sud, V.K.Babbar, K.V.Reddy and P.V.Reddy, Materials Science and Engineering B, 34 (1995) 67-73

  49. Charge transport and conduction mechanism of copper substituted magnesium aluminium ferrites, Y.Purushotham, V.D.Reddy, V.N.Mulay, K.B.Reddy and P.V.Reddy, International Journal of Modern Physics B, 6 (1993) 3461-3472

  50. Electrical conductivity and thermopower studies of titanium substituted lithium magnesium ferrites, Y.Purushotham, M.B.Reddy, Pran Kishan, D.R.Sagar and P.V.Reddy, Materials Letters, 17 (1993) 341-345

  51. Thermopower and electrical conductivity of titanium substituted magnesium ferrites, Y.Purushotham, V.D.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy, Physica Status Solidi (a), 140 (1993) K89-K94

  52. Electrical transport properties of some metallic glasses, P.Venugopal Reddy, S.Shekhar and Y.Purushotham, Modern Physics Letters B, 7 (1993) 1295-1299

Books / Proceedings

  1. Development of high pure Zinc for detector applications, Y.Purushotham and S.T.Ali, International Conference on Environmental Impact of Advanced Materials and Energy Technologies, 19-21 January 2017, Hyderabad

  2. Studies on Microwave and Conventional Sintered Ni-Zn Ferrites, Y.Purushotham, National Seminar “Recent Advances in Smart Materials and Probing Techniques” (RASMPT-2015), 21-22 August 2015, Telangana University (South Campus), Bhiknoor.

  3. Comparative studies on microwave and conventional sintered Cu substituted Ni-Zn ferrites, Y.Purushotham, International Conference on Nano, Bio & Materials Science, January 8-10, 2014, Nizam College, Osmania University, Hyderabad.

  4. Quality improvement in Ni-Zn ferrites by microwave sintering, Y.Purushotham, National Seminar on Physics & Quality of Life, 24-25 February 2014, Osmania University College for Women, Hyderabad

  5. Microwave sintering of Tantalum powder, comparison with conventional sintering, Y.Purushotham, International Conference on Stractural and Physical Properties of Solids (SPPS-2013), 18-20 November 2013, Indian School of Mines, Dhanbad

  6. Crystallographic, FTIR and Optical Property Studies on Co doped ZnS Nanometer- sized Crystals, V.D.Mote, Y.Purushotham and B.N.Dole, AIP Conf. Proceedings, 1512 (2013) 188

  7. The crystallographic study of Pr substituted Eu – 123 High Tc Cuprate Superconductor, V.R.Huse, V.D.Mote, Y.Purushotham, K.M.Jadhav, B.N.Dole and S. S. Shah, AIP Conf. Proceedings, 1349 (2011) 897-898

  8. Effect of temperature on the structural properties of Mn substituted ZnO nanoparticles, V.D. Mote, V.R. Huse, Y. Purushotham, K.M. Jadhav, B.N. Dole and S.S. Shah, AIP Conf. Proceedings, 1349 (2011) 323-324

  9. Microwave sintering and characterization of ceramics and metal powders, Y. Purushotham, National Seminar on Recent Advances in Green Chemistry, Aligning Science, Education, Industry and Society, November 15–16, 2010, Satavahana University, Karimnagar.

  10. Microwave sintering and characterization of tantalum metal powder, Y.Purushotham, R.Govindaiah, Arbind Kumar and T.L.Prakash, 21st Annual General Meeting of Materials Research Society of India, February 9-11, 2010, Sardar Patel University, Vallabh Vidyanagar.

  11. Structural properties of Cobalt dopen ZnO Nanocrystals via co-precipitation route V. D. Mote, V. R. Huse, Y. Purushotham, B. N. Dole, Indraprastha International Conclave on Nano Science and Technology, November 16 – 17, 2010, Guru Gobind Singh Indraprastha University, New Delhi

  12. Structural studies of Mn doped ZnO nanoparticles, V. D. Mote, V. R. Huse, Y. Purushotham, B. N. Dole, Indraprastha International Conclave on Nano Science and Technology, November 16 – 17, 2010, Guru Gobind Singh Indraprastha University, New Delhi

  13. Synthesis and characterization of high purity hafnium metal powder – Indian perspective, Y.Purushotham, R.Govindaiah, T.Balaji, S.Rajesh Kumar, Arbind Kumar, M.K.Sharma, M.R.P.Reddy and T.L.Prakash, Powder Metallurgy, (2009) 143-147, Editor: Prof. P.Ramakrishnan

  14. Material issues in the production of hafnium for space applications, Y.Purushotham, R.Govindaiah, S.Rajesh Kumar, M.R.P.Reddy, Arbind Kumar and T.L.Prakash, 19th Annual General Meeting of Materials Research Society of India (MRSI AGM-2008), February 14-16, 2008, Thiruvanathapuram, India

  15. Studies on the improvement of flow properties of capacitor grade tantalum powder T.Balaji, Arbind Kumar, R.Govindaiah, N.Parasuram, Y.Purushotham and T.L.Prakash, National Conference on Powder Metallurgy at Its Best (PM 2006), January 23-24, 2006, Defence Metallurgical Research Laboratory, Hyderabad

  16. Effect of sodium reduction temperature on physical and electrical properties of tantalum metal powder, Y.Purushotham, R.Govindaiah, M.K.Sharma, T.Balaji, Arbind Kumar and T.L.Prakash, National Conference on Powder Metallurgy at Its Best (PM 2006), January 23-24, 2006, Defence Metallurgical Research Laboratory, Hyderabad

  17. Studies on Microwave Sintered Cu substituted Ni-Zn Ferrites, Y.Purushotham, P.D.Ramesh, Dinesh Agrawal and T.L.Prakash, Indo-US Workshop on Microwave Processing, February 1-3, 2006, Mumbai, India.

  18. Improvement of capacitance of Tantalum powder by thermal and physical powder processing techniques, Arbind Kumar, T.Balaji , R.Govindaiah, Y.Purushotham and T.L.Prakash, 43rd National Metallurgist’s Day and 59th Annual Technical Meeting (NMD-ATM-2005), November 14-16, 2005, IIT Madras, Chennai

  19. Electrical characterization of Tantalum anodes, Arbind Kumar, R.Govindaiah, Y.Purushotham, T.Balaji, N.Parashuram and T.L.Prakash, National Conference on Materials for Electrical, Electronic & Magnetic Applications: Characterization & Measurements (MEEMA-2005), September 2-3, 2005, Defence Metallurgical Research Laboratory, Hyderabad

  20. A Technological perspective in the processing of Tantalum from Indian ores, T.Balaji, Arbind Kumar, Y.Purshotham, R.Govindaiah, M.K.Sharma, N.Parashuram and T.L.Prakash, International Conference on Non-ferrous Metals, July 8-9, 2005, Pune, India

  21. Quality improvements in Tantalum powder by Automation of Sodium Reduction System, Y.Purushotham, K.Ravindranath, Arbind Kumar and T.L.Prakash 43rd National Metallurgist’s Day and 59th Annual Technical Meeting (NMD-ATM-2005), November 14-16, 2005, IIT Madras, Chennai, India.

  22. Dielectric Formation and Electrical Characterization of Sintered Tantalum Slugs Balaji T., Arbind Kumar, Govindaiah R., Purushotham Y., Sharma M.K., Prakash T.L. 16th Annual General Meeting of Materials Research Society of India (16th AGM-MRSI), February 10-12, 2005, National Chemical Laboratory, Pune, India.

  23. Characterization study of Y-123 high purity superconducting materials, B.N.Dole, Y.Purushotham and S.S.Shah, Presented as a poster in International Symposium on Ultrapure Materials: Processing, Characterization and applications (ISUPM) at Hyderabad during November 22-23, 2004.

  24. Effect of container material interaction on physico-chemical characteristics of Tantalum Y.Purushotham, R.Govindaiah, M.K.Sharma, T.Balaji, Arbind Kumar and T.L.Prakash 7th Conference of the International Academy of Physical Sciences (CONIAPS VII), December 21-23, 2004, University of Allahabad, Allahabad, India

  25. Effect of phosphorus addition on physical and electrical properties of Tantalum powder Y.Purushotham, R.Govindaiah, Arbind Kumar and T.L.Prakash 15th Annual General Meeting of Materials Research Society of India (15th AGM-MRSI), February 9-11, 2004, Banaras Hindu University, Varanasi, India.

  26. Effect of particle size and impurities on the electrical properties of Tantalum – A strategic refractory metal Arbind Kumar, R.Govindaiah, M.K.Sharma, T.Balaji, Y.Purushotham and T.L.Prakash 41st National Metallurgist’s Day and 57th Annual Technical Meeting (NMD-ATM 2003), November 14-16, 2003, Science City, Kolkata, India

  27. Microwave sintering of Ni-Zn ferrites: Development of ferrites with ultra low dielectric constants Purushotham Yadoji, Ramesh Peelamedu, Dinesh Agrawal, Rustum Roy International Conference on the Science, Technology & Applications of Sintering (Sintering 2003), September 15-17, 2003 The Pennsylvania State University, USA.

  28. Processing of ultra-low dielectric constant Nickel Zinc ferrites by Microwave Sintering R.Peelamedu, Purushotham Yadoji, D.Agrawal, R.Roy 105th Annual Meeting & Exposition of The American Ceramic Society (ACerS), April 27-30, 2003, Nashville, USA.

  29. Comparison study between conventional and microwave sintered Ni-Zn Ferrites : Dielectric and Magnetic properties characterization Purushotham Yadoji, R.Peelamedu, D.Agrwal, R.Roy 105th Annual Meeting & Exposition of The American Ceramic Society (ACerS), April 27-30, 2003, Nashville, USA.

  30. Ultrasonic investigation of Ca-Zn Ferrites Md.Abdul Malik, Y.Purushotham and P.Venugopal Reddy, “10th National Symposium on Ultrasonics (X-NSU)” 15-16th March, 2001 organized by Department of Physics, Osmania University and Ultrasonics Society of India, Advances in Ultrasonics, (2001) 208-211.

  31. Elastic behaviour of Ge4+ substituted Li-Mg Ferrites, Nitendar Kumar, Y.Purushotham, P.Venugopal Reddy, Pran Kishan and Z.H.Zaidi “10th National Symposium on Ultrasonics (X-NSU)” 15-16th March, 2001 organized by Department of Physics, Osmania University and Ultrasonics Society of India, Advances in Ultrasonics, (2001) 204-207

  32. Tantalum Metallurgy – Chemical and Physical properties, Y.Purushotham, T.Balaji, Arbind Kumar and T.L.Prakash “39th National Metallurgist Day & 55th Annual technical Meeting (NMD-ATM 2001)” 18-21st November, 2001 organized by The Indian Institute of Metals, Bhubaneswar Chapter, RRL (Bhu) & NALCO, Bhubaneswar, India.

  33. Elastic behaviour of titanium substituted Li-Mg ferrites Y.Purushotham, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy 5th Annual General Meeting of Materials Research Society of India , Hyderabad (5-AGM MRSI) (1994) H40.

  34. Elastic behaviour of titanium substituted Li-Mg ferrites Y.Purushotham, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy 5th Annual General Meeting of Materials Research Society of India , Hyderabad (5-AGM MRSI) (1994) H40.

  35. Electrical transport properties of some Ba-Zn (W) hexagonal ferrites V.D.Reddy, V.N.Mulay, K.B.Reddy, Y.Purushotham and P.V.Reddy Proceedings of International Conference on Ferrites (ICF-6) (1992) 651-654.