Dr. Rama Nand Rai

Associate Professor
Ph D (BHU)
Tel: +91-542-26701597 (O), +91-945182155, +91-9450876760 (R), Fax:+91-542-2307321
Email Id:rn_rai@yahoo.co.in or rnrai@hotmail.com
Employee No. 17606

 
 
Academic Qualifications:
 
S. No.DegreeInstitutionYear
1.B.Sc.Purvanchal University1990
2.M.Sc.Purvanchal University 1992
3.Ph. D.Banaras Hindu University1997
 
Area of specialization/awards/achievements:
 

Research interests:

  1. Synthesis and Physicochemical Characterization of Binary Organic Materials
  2. Synthesis, Crystal Growth and Characterization of Organic-, Inorganic-, and Binary Nonlinear and Electro-optic Materials
 
Current Research Projects:
S. No.Name of the Project DurationSource of FundingAmount of Funding (Rs)
1Synthesis and Crystal Growth of Organic Nonlinear Optical Materials2007-2012 CompletedBoard of Research in Nuclear Sciences, Department of Atomic Energy, Mumbai35,00,000.00
2Synthesis and Crystal Growth of Highly Required Nonlinear and Electro-optic Materials DAST 2010 onwardsDefence Research and Development Organisation, New Delhi25,00,000.00


List of 10 major Publications:

  1. Y. Dwivedi, Shiva Kant, S. B. Rai, R. N. Rai, (2011); Synthesis, Physicochemical and Optical Characterization of Novel Fluorescing Complex: o-Phenylenediamine-Benzoin, J Fluoresc. 21 : 1255-1263
  2. Y. Dwivedi, Shiva Kant, R. N. Rai, S. B. Rai, (2010); Efficient white light generation from 2, 3-Diphenyl – 1, 2-dihydro-quinoxaline complex. Appl. Phys. B; Laser & Optics. 10 : 639-642
  3. Shiva Kant, R. S. B. Reddi, R. N. Rai, (2010); Synthesis, crystallization, thermal, solid-liquid equilibrium, and microstructural studies of organic nalogue monotectic alloy: 1, 4-diiodobenzene – succinonitrile. Fluid Phase Equilibria 291: 71-75
  4. Kausal Kumar, R.N. Rai, S.B. Rai, (2009); One and two photon pumped luminescence studies on DAST and UDAST. Appl. Phys. B; Laser & Optics. 96: 85-94
  5. R. S. B. Reddi, Shiva Kant, U. S. Rai, R. N. Rai, (2009); Crystallization, thermal, phase diagram and microstructural studies of organic analog of metal-nonmetal monotectic alloy: 4-bromochlorobenzene – succinonitrile. J. Crystal Growth 312: 95-99.
  6. R.N. Rai and K. B. R. Varma, (2005); Growth and characterization of single crystal of pentachloropyridine. J. Cryst. Growth 285: 111-116.
  7. R.N. Rai, (2004); Phase diagram, optical, nonlinear optical and physicochemical studies of organic monotectic system: pentachloropyridine-succinonitrile. J. Mater. Res. 19: 348-1355
  8. R.N. Rai and C.W. Lan, (2002); The crystal structure and properties of a new organic nonlinear optical materials. J. Mater. Res. 17(7): 1588-1591
  9. U.S. Rai and R.N. Rai, (1999); Physical chemistry of organic eutectic and monotectic; Hexamethylbenzene- Succinonitrile system. Chem. Mate. 11: 3031-3036.
  10. U.S. Rai and R.N. Rai, (1998); Chemistry and characterization of binary organic eutectics and molecular complexes the urea-m.nitrobenzoic acid system. Materials letters (Volume’s cover picture is taken from article) 34: 67-75.
 
Any additional information:
 
  • Grown Single Crystals/Crystal Cored Fibers
  • Number of Ph. D. Student Guided: 01

    Membership of professional societies:

    1. Member, Chemical Research Society of India (CRSI)
    2. Member, The Indian Science Congress Association (ISCA)
    3. Member, Laser and Spectroscopy Society of India (LASSI)
    4. Member, Indian Association of Crystal Growth (IACG)


List of 10 major Publications:

  1. Y. Dwivedi, Shiva Kant, R. N. Rai, S. B. Rai, (In press); Efficient white light generation from 2, 3-Diphenyl – 1, 2-dihydro-quinoxaline complex. Appl. Phys. B; Laser & Optics
  2. Shiva Kant, R. S. B. Reddi, R. N. Rai, (2010); Synthesis, crystallization, thermal, solid-liquid equilibrium, and microstructural studies of organic nalogue monotectic alloy: 1, 4-diiodobenzene – succinonitrile. Fluid Phase equilibria 291: 71-75
  3. Kausal Kumar, R.N. Rai, S.B. Rai, (2009); One and two photon pumped luminescence studies on DAST and UDAST. Appl. Phys. B; Laser & Optics. 96: 85-94
  4. R. S. B. Reddi, Shiva Kant, U. S. Rai, R. N. Rai, (2009); Crystallization, thermal, phase diagram and microstructural studies of organic analog of metal-nonmetal monotectic alloy: 4-bromochlorobenzene – succinonitrile. J. Crystal Growth 312: 95-99.
  5. R.N. Rai and K. B. R. Varma, (2005); Growth and characterization of single crystal of pentachloropyridine. J. Cryst. Growth 285: 111-116.
  6. R.N. Rai, (2004); Phase diagram, optical, nonlinear optical and physicochemical studies of organic monotectic system: pentachloropyridine-succinonitrile. J. Mater. Res. 19: 348-1355
  7. R.N. Rai and C.W. Lan, (2002); The crystal structure and properties of a new organic nonlinear optical materials. J. Mater. Res. 17(7): 1588-1591
  8. U.S. Rai and R.N. Rai, (1999); Physical chemistry of organic eutectic and monotectic; Hexamethylbenzene- Succinonitrile system. Chem. Mate. 11: 3031-3036.
  9. U.S. Rai and R.N. Rai, (1998); Physical chemistry of organic analog of metal-metal eutectic and monotectic alloys. J. Crystal Growth 191: 234-242.
  10. U.S. Rai and R.N. Rai, (1998); Chemistry and characterization of binary organic eutectics and molecular complexes the urea-m.nitrobenzoic acid system. Materials letters (Volume’s cover picture is taken from article) 34: 67-75.
Full List of Publications:
  1. Synthesis, crystal growth, structural and physicochemical studies of novel binary organic complex: 4-chloroaniline-3-hydroxy-4-methoxybenzaldehyde K.P. Sharma, R.S.B. Reddi, S. Bhattacharya and R.N. Rai, J. Solid State Chemistry, doi:10.1016/j.jssc.2012.02.019
  2. Synthesis and characterization of novel binary organic monotectic and eutectic alloys K.P. Sharma and R.N. Rai, Thermochimica Acta, 535 (2012) 66-70
  3. Phase Equilibria, Crystallization, Thermal and Microstructural Studies of Monotectic Organic Analog of Nonmetal-Nonmetal System; urea-4- bromo2-nitroaniline R.S.B. Reddi, S. Ganesamoorthy, P.K. Gupta, R.N. Rai, Fluid Phase Equilibria 313 (2012) 121-126
  4. Solid-Liquid equilibrium, Thermal and Physicochemical Studies of Organic Eutectics R. S. B. Reddi, V S A Kumar Satuluri, R. N. Rai, J Therm Anal Calorim 107(2012) 183-188
  5. Thermal, physicochemical and microstructural studies of binary organic eutectic systems R. S. B. Reddi, V S A Kumar Satuluri, U. S. Rai, R. N. Rai, J Therm Anal Calorim 107 (2012) 377-385
  6. Structural, Thermal and optical properties of Er 3+/Yb 3+ codoped oxyhalide tellurite glass, glass ceramic and ceramic Chetan Joshi, R.N. Rai and S.B. Rai,J. Quantitative Spectroscopic & Radiative Transfer 113 (2012) 397-404.
  7. Synthesis, Characterization, and Drug Release Properties of Poly(N- Isopropylacrylamide) Gels Prepared in Methanol-Water Cononsolvent Medium, Chandrasekar Biswas, Vijaykumar Patel, Niraj Kumar Viswakarma, Avinish Mishra, Rajasekhar Bhimireddi, RamaNand Rai, Biswajit Ray (2012) J. Applied Polymer Science DOI 10.1002/app
  8. Some physicochemical and thermal studies on organic analog of a nonmetal-nonmetal monotectic alloy; 2-cyanoacetamide-4- chloronitrobenzene system Manjeet Singh, R.N. Rai, U.S. Rai, American J. Analytical Chemistry 2 (2011) 953-961
  9. Synthesis, Physicochemical and Optical Characterization of Novel Fluorescing Complex: o-Phenylenediamine-Benzoin Y. Dwivedi, Shiva Kant, S. B. Rai, R. N. Rai, J Fluorescence, 21 (2011) 1255-1263
  10. Solid-liquid equilibrium and thermochemical studies of organic analogue of metal- nonmetal system: succinonitrile-pentachloronitrobenzene Shiva Kant and R.N. Rai, J. Thermochimica. Acta 512 (2011) 49-54
  11. Crystal growth and nonlinear optical studies of m. Dinitrobenzene doped urea organic material R.N. Rai, R. Madunri, R.S.B. Reddi, V.S.A. Kumar Satuluri, S. Ganesamoorthy, P.K. Gupta, J. Crystal Growth 321 (2011) 72-77
  12. Novel organic monotectic alloy and its thermal, physicochemical and microstructural studies K. P. Sharma and R. N. Rai, J. Materials Science 46 (2011) 1551-1556
  13. Thermal, physicochemical and microstructural studies of organic analog of nonmetal- nonmetal monotectic alloys K. P. Sharma, R.S.B. Reddi, Shiva Kant, R.N. Rai, J. Thermochimica. Acta 498 (2010) 112-116
  14. Synthesis, crystallization, thermal, solid-liquid equilibrium, and microstructural studies of organic analogue monotectic alloy: 1, 4-diiodobenzene – succinonitrile Shiva Kant, R. S. B. Reddi, R. N. Rai, Fluid Phase Equilibria 291 (2010) 71-75
  15. Efficient white light generation from 2, 3-Diphenyl –1, 2-dihydro- quinoxaline complex Y. Dwivedi, Shiva Kant, R. N. Rai, S. B. Rai, Appl. Phys. B; Laser & Optics , 101 (2010) 639-642
  16. One and two photon pumped luminescence studies on DAST and UDAST Kausal Kumar, R.N. Rai, S.B. Rai, Appl. Phys. B; Laser & Optics 96 (2009) 85-94.
  17. Crystallization, thermal, phase diagram and microstructural studies of organic analog of metal-nonmetal monotectic alloy: 4-bromochlorobenzene – succinonitrile R. S. B. Reddi, Shiva Kant, U. S. Rai, R. N. Rai, J. Crystal Growth 312 (2009) 95-99
  18. Thermal, solid-liquid equilibrium, crystallization, and microstructural studies of organic monotectic alloy: 4, 4'-dibromobiphenyl – succinonitrile R. N. Rai, R. S. B. Reddi, J. Thermochimica. Acta, 496 (2009) 13-17
  19. Growth and characterization of single crystal of pentachloropyridine R.N. Rai and K. B. R. Varma, J. Cryst. Growth 285 (2005) 111-116.
  20. Phase diagram, optical, nonlinear optical and physicochemical studies of organic monotectic system: pentachloropyridine-succinonitrile R.N. Rai, J. Mater. Res. 19 (2004) 1348-1355.
  21. Morphology, Solubility, and Nonlinear Optical Properties of DAST Grown from Mixed Solvents R.N. Rai J.M. Jeng, C.Y Tai and C.W. Lan J.Chin. Inst. Chem. Engrs 33(2002)461-468.
  22. Synthesis and crystal growth of binary organic NLO material UNBA R.N. Rai, P. Ramasamy and C.W. Lan J. Cryst. Growth 235 (2002) 499-504.
  23. Physical chemistry of binary organic eutectic and monotectic alloys; 1,2,4,5-tetrachlorobengene and resorcinol system U.S. Rai, Pinky Padey and R.N. Rai, Materials Letters 53 (2002) 83-90.
  24. The crystal structure and properties of a new organic nonlinear optical materials R.N. Rai and C.W. Lan, J. Mater. Res. 17(7) (2002) 1588-1591.
  25. Thermal, miscibility gap and microstructural studies of organic analog of metal-nonmetal system: p-dibromobenzene – succinonitrile R.N. Rai, U.S. Rai and K. B. R. Varma, Thermochim Acta 387 (2002) 101-107.
  26. Microstructural and dielectric properties of hot pressed organic composite; benzil- 4-aminobenzophenone R.N. Rai, T.S. Panchapagesan and K. B. R. Varma, Materials Science: Materials in Electronics 12 (2001) 505-509.
  27. Thermal and dielectric studies on binary organic system: benzil- m-nitroaniline R.N. Rai and K. B. R. Varma, Materials Letters 48 (2001) 356-361.
  28. Solid-liquid equilibrium diagram and thermochemical properties of organic eutectic in a monotectic system R.N. Rai and U. S. Rai, Thermochim Acta 363 (2000) 23-28.
  29. Phase diagram and dielectric properties of binary organic materials R.N. Rai and K. B. R. Varma, Materials Letters 44 (2000) 284-293.
  30. Physical chemistry of binary organic eutectic and monotectic alloys; 1,2,4,5-tetrachlorobengene - ?- naphthol and 1,2,4,5-tetramethylbenzene - succinonitrile system U.S. Rai, Pinky Padey and R.N. Rai, J. Cryst. Growth, 220 (2000) 610-618.
  31. Physical chemistry of organic eutectic and monotectic; Hexamethylbenzene- Succinonitrile system U.S. Rai and R.N. Rai, Chem. Mate. 11 (1999) 3031-3036.
  32. Some physicochemical studies on organic eutectics and molecular complex; urea-p-nitrophenol system U.S. Rai and R.N. Rai, J. Mater. Res. 14 (1999) 1299-1305.
  33. Physical chemistry of organic eutectics U.S. Rai and R.N. Rai, Journal of Thermal Analysis 53 (1998) 883-893.
  34. Physical chemistry of organic analog of metal-metal eutectic and monotectic alloys U.S. Rai and R.N. Rai, J. Crystal Growth 191 (1998) 234-242.
  35. Studies on physicochemical properties of the organic eutectics and 1:1 molecular complex of urea-resorcinol system U.S. Rai and R.N. Rai, Molecular Materials 9 (1998) 235-250.
  36. Chemistry and characterization of binary organic eutectics and molecular complexes the urea- m.nitrobenzoic acid system U.S. Rai and R.N. Rai, Materials letters (Volume’s cover picture) 34 (1998) 67-75.
  37. Chemistry and characterization of binary organic eutectics U.S. Rai and R.N. Rai, Asian Journal of Chemistry 10(3) (1998) 421-431
  38. Phase diagram and thermochemical properties of organic eutectic in a monotectic system U.S. Rai and R.N. Rai, Bull. Mater. Sci. 21(3) (1998) 203-206
  39. Some physicochemical studies on organic analog of metal-nonmetal eutectics U.S. Rai and R.N. Rai, Cryst. Res. Techn. 32 (1997) 821-829
  40. Solidification behaviour of binary organic eutectics U.S. Rai and R.N. Rai, Polish Journal of Applied Chemistry XL (1996) 281-287.
  41. Studies on physicochemical properties of the eutectic and monotectic in the urea- p-chloronitrobenzene system U.S. Rai and R.N. Rai, J. Cryst. Growth 169 (1996) 563-569
  42. Some physicochemical studies on binary organic eutectic and 1:1 addition compounds; urea-p.nitrophenol and urea-m-nitrobenzoic acid systems U.S. Rai and R.N. Rai, ACH-Models in Chemistry 133(4) (1996) 341-349.
  43. Solidification behaviour of binary organic monotectic alloys U.S. Rai and R.N. Rai, Thermochim Acta 277 (1996) 209-217.

Invited Talks/Lectures :
  1. Future directions of solvent free synthesis and phase diagram study to develop the novel organic materials “International Conference on Recent Trends in Advanced Materials ICRAM-2012”, Organized by School of Advanced Sciences, VIT University, Vellore, Feb. 20-22, (2012) page 33.
  2. Role of Spectroscopic Studies in Identification of Organic Molecular Complex and their Studies “Rajarshi Udai Pratap Singh Memorial 2nd International Workshop on Spectroscopic Signatures of Molecular Complexs/Ions In Our Atmosphere And Beyond”, Organized by Udai Pratap Autonomous College, Varanasi, India, Feb. 7-10, (2012) page 42
  3. Thermal Analysis and Material Science 11th National Convection of Chemistry Teachers (NCCT-2011)And National Seminar on “Emerging Trends in Green Chemistry”, Organized by Deptartment of Chemistry, A.N. College, Patna, Oct. 15-17, (2011)
  4. Solvent free synthesis, crystal growth and fluorescence study of novel binary organic complex National Conference on Futuristic Materials, held at Sharda University, Greater Noida, Sep. 15-17, (2011)
  5. Recent Trends in Synthesis of Organic Materials and their Devices “RTMD-2011”, Organized by AIAS and ASET, AUUP, Noida, May19-20, (2011)
  6. Laser Materials and Worthy of Physical Chemistry “National Seminar on Advances in Laser, Spectroscopy & Nanomaterials”, Department of Physics, Nehru Gram Bharati University, Allahabad, March, 5-7, 2011
  7. Role of Organic Materials in Advancement of Science National Conference on Current Concepts and Frontier Advances in Science Educational Research, T.D. Postgraduate College, Jaunpur, U.P., March 5-6 (2011)
  8. Nonlinear Optical Crystal for Detection and Generation of Terahertz Wave and Applications Meghnad Saha Memorial International Symposium-cum-Workshop on Laser Induced Breakdown Spectroscopy MMISLIBS-2010, Department of Physics, University of Allahabad, Allahabad, Dec 21-23 (2010)
  9. Engineering of Organic NLO Materials and Crystal Growth for Laser Applications National Conference on Laser and Optical Science, Department of Physics, D.H.S.K. College, Dibrugarh, Assam, October 11-13 (2010)
  10. Synthesis of Novel Organic Optical Material & Role of Temperature Gradient and Growth Rate on Crystal quality 14th National Seminar on Crystal Growth, NSCG-XIV, VIT University, Tamilnadu, Mar 10-12 (2010)
  11. Application of Nonlinear Optical Crystal in service of Society National Conference on Application of Material Science in Service of the Society-second series, Department of Chemistry, C.M.P. Degree College, Allahabad, Sep, 12-13 (2010)
  12. Atomic packing and Crystal Defects 11th Refresher course in Chemistry, BRBA, Bihar University, Muzaffarpur, 6-7th April 2009
  13. Physical Chemistry and Electronic Materials 11th Refresher course in Chemistry, BRBA, Bihar University, Muzaffarpur, 6-7th April 2009
  14. New Trends in Synthesis of Organic NLO Laser Materials and their Crystal Growth Meghnad Saha Memorial Symposium on Emerging trend in Laser and Spectroscopy and Application, Deptartment of Physics, Allahabad University, March, 23-25 (2009) 43
  15. Role of physical chemistry in crystal growth Twelfth National Seminar on Crystal Growth, SSN, College of Engineering, Tamilnadu, Dec. 21-23(2007)128
  16. Organic NLO materials and crystal growth R.N. Rai, Tenth National Seminar on Crystal Growth,(With International Participation) Kongu Engg. College, Perundurai, Erode, Jan. 27-29, (2005) page 10
  17. Crystal growth of binary organic compounds R.N. Rai, Ninth National Seminar on Crystal Growth, Crystal growth Centre Anna University Chennai, Feb. 24-26, (2003) page 29

Papers Published/Presented in Conferences :
  1. Synthesis of nonhygroscopic urea via formation of solid solution, particle size and second harmonic generation study. R.S.B. Reddi, R.N. Rai, “International Conference on Recent Trends in Advanced Materials ICRAM-2012”, Organized by School of Advanced Sciences, VIT University, Vellore, Feb. 20-22, (2012) P-114
  2. Binary Organic for NLO Applications: Overview on the growth and Characterization U.S. Rai, K.D Mandal, R.N. Rai, O.P. Singh, R.N. Singh, Namwar Singh and Narsingh Bahadu Singh, “National Symposium on Advanced Functional Materials NSAFM-2012”, Department of Chemistry, Banaras Hindu University, Varanasi, Feb. 11-12, (2012) P-8
  3. Synthesis, crystal growth and physicochemical studies of binary organic 1:1 complex: m-nitroaniline-3-hydroxy-4-methoxybenzaldehyde K.P. Sharma, R.N. Rai, “National Symposium on Advanced Functional Materials NSAFM-2012”, Department of Chemistry, Banaras Hindu University, Varanasi, Feb. 11-12, (2012) P-33
  4. Spectroscopic studies of newly synthesized organic complex V.K. Gupta, R.N. Rai, “Rajarshi Udai Pratap Singh Memorial 2nd International Workshop on Spectroscopic Signatures of Molecular Complexs/Ions In Our Atmosphere And Beyond”, Organized by Udai Pratap Autonomous College, Varanasi, India, Feb. 7-10, (2012) P-96
  5. Formation of Novel Binary Organic Addition Compound at Elevated Temperature and its Physicochemical Characterization Shiva Kant, R. S. B. Reddi, K. P. Sharma, R. N. Rai, International Conference on Chemistry; Frontiers and Challenges, Department of Chemistry, Aligarh Muslim University, Aligarh, UP, India, Mar 5-6 (2011)
  6. Synthesis, Crystal Growth and Fluorescence Studies of Novel Organic Complex R.S.B. Reddi, S. Ganeshmoorthy, R.N. Rai, Meghnad Saha Memorial International Symposium-cum-Workshop on Laser Induced Breakdown Spectroscopy MISLIBS- 2010, Department of Physics, University of Allahabad, Allahabad, Dec 21-23 (2010)
  7. Organic Glass of Novel Binary 1:1 Complex and its Physicochemical study Shiva Kant, K. P. Sharma, R. S. B. Reddi and R. N. Rai, International Conference on Multifunctional Materials ICMM-2010, Department of Physics, BHU, Varanasi, Dec 7-9 (2010)
  8. Crystal Growth, Optical and Fluorescence Study of Novel 1:1 Molar Binary Organic Material K. P. Sharma, Shiva Kant, R. S. B. Reddi and R. N. Rai, International Conference on Multifunctional Materials ICMM-2010, Department of Physics, BHU, Varanasi, Dec 7-9 (2010)
  9. Phase Equilibria and Thermal Analysis of Binary Organic Eutectic System R. S. B. Reddi, Shiva Kant, S. Ganeshmoorthy and R. N. Rai, Seventeenth National Symposium & Workshop on Thermal Analysis, THERMANS 2010, Kurukshtra University, Kurukshtra, Haryana, Mar 9-13 (2010) P-78
  10. Synthesis and Characterization of Novel White Light Emitting Organic Material Shiva kant, Y. Dwivedi, S. B. Rai and R. N. Rai, International Conference on Recent Trends in Materials and Characterization, RETMAC-2010, National Institute of Technology Karnataka, Surthkal, Feb 14-15 (2010) P-75
  11. Crystal Growth and Fluorescence Properties of Binary Organic Materials Shiva Kan, R. S. B. Reddi, S. Ganeshmoorthy and R. N. Rai, 12th CRSI National Symposium in Chemistry & 4th CRSI-RSC Symposium in Chemistry, IICT, Hyderabad Feb 4-7 (2010) PP-233
  12. Studies of Solid-liquid equilibria and second harmonic generation of organic eutectic system R.S.B.Reddi and R. N. Rai, 6th National Symposium and Conference on Solid State Chemistry and Allied Areas ICCAS- 2009, VIT University, Tamilnadu, Nov. 19-21(2009) P-78
  13. Crystal cored fibers growth of organic non-linear optical material R. N. Rai, Materials Science & Technology 2008 Conference & Exhibition, American Ceramic Society, October 5-9, 2008 David L. Lawrence Convention Center Pittsburgh, Pennsylvania
  14. Growth and Characterization of Substituted Anilines for Nonlinear Optical Applications O. P. Singh, K.N.Government Post Graduate College, India; G. Singh, UP Power Corporation, India; R. N. Rai*, Materials Science & Technology 2008 Conference & Exhibition, American Ceramic Society, October 5-9, 2008
  15. Enhancement of SHG properties in binary organic material R.N. Rai, First Indo-US Workshop on Spectroscopy, Banaras Hindu University of Indial and Mississipi State university, U.S.A., Jan. 9-11 (2006)P-1
  16. Solubility measurements and crystal growth from the solution containing two solutes R.N. Rai, Satyanarayana Raju Madunuri and V.S.A. Kumar Satuluri. Eleventh National Seminar on Crystal Growth, SSN, College of Engineering, Tamilnadu, Jan. (2006)63
  17. Crystal growth of organic NLO Materials and its Characterization for Laser Applications R.N. Rai, NLS-2003, DAE-BRNS national Laser Symposium IIT Kharagpur, Dec.. 22-24,(2003) page 342
  18. Growth of low temperature phase of KY(WO4) crystal by the flux method Bhaumik, S. Ganesamoorthy, R.N. Rai, V.K. Wadhawan, DAE-BRNS Laser symposium University of Kerala, Trivandrum, Nov. 14-16, 2002, page 459-460
  19. Preparation of New Binary Organic NLO Materials and its Crystal Growth R.N. Rai and C.W. Lan, International Conference, Optica and Photonics Taiwan 01, Dec. 13-14, (2001) 14
  20. Physical Chemistry of Organic Eutectics and Molecular Complex U.S. Rai and R.N. Rai, IUMRS - ICA 98,The 5thIUMRS International Conference, October 13 - 16, (1998) 686
  21. Phase diagram and thermochemistry of binary organic eutectics U.S. Rai and R.N. Rai, IUPAC, Int. Conf. on Chemical and Biological Thermodynamics, January 5-8 (1997) 88
  22. Phase diagram and thermochemical properties of a organic eutectic alloy in monotectic system U.S. Rai and R.N. Rai, National symposium on solid state chemistry and advanced materials. Dec. 21-23, (1996) 34
  23. Some physicochemical studies on binary organic eutectics and 1:1 molecular complex : Urea- m.nitrobenzoic acid system U.S. Rai and R.N. Rai, Int. Conf. on Molecular Assoc., March, 18-20 (1996) 23B
  24. Phase diagram and thermal properties of binary organic eutectics U.S. Rai and R.N. Rai, Tenth National Symp. on thermal analysis, DMSRDE, Kanpur, Dec. 20-21 (1995) 74
  25. Phase diagram and crystallization behaviour of binary organic eutectics U.S. Rai, R.N. Rai and J.P. Pandey, Tenth National Symp. on thermal analysis DMSRDE, Kanpur, Dec. 20-21 (1995) 72
  26. Phase diagram and microstructural study of organic eutectic U.S. Rai, R.N. Rai, Seventh Annual Conference, Purvanchal Academy of Science, T.D. P.G. College, Jaunpur, 16-17 Dec. 1995