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Publications

  • 104. Anit Joseph, Aneesh Ayyappan, Thoufeeq Subair, Manikanta Pandibayal,Swapna Nair, Revathy Ramany, Manoj Raama Varma, Senoy Thomas, Pure and Sm doped CeO2 nanoparticles: An insight into the room temperature ferromagnetism and photocatalytic dye degradation, ChemistrySelect, 8, e202301020, (2023), DOI: https://doi.org/10.1002/slct.202301020

  • 103. Ramany Revathy, Manoj Raama Varma, Kuzhichalil Peethambharan Surendran, Ferromagnetic Ni Nanostructures via Chemical Reduction Methods, Materials Research Foundations, 143, 140-169, (2023) DOI: https://doi.org/10.21741/9781644902335-5

  • 102. Chinnu V. Devan, Anoop A. Nair, Ramany Revathy, Biswapriya Deb, Manoj Raama Varma, Exotic magnetic properties in zintl phase BaVSe3: A theoretically supported experimental investigation, New J. Chem., 47, 97-108, (2023), DOI: https://doi.org/10.1039/D2NJ04129D

  • 101. Ramany Revathy, Anoop A. Nair, Manoj Raama Varma, K P Surendran, Magnetism of cobalt during oxidative ageing: A theory supported experimental investigation, Mater. Sci. Eng. B,Volume 273, November 2021, 115453

  • 100. Ramany Revathy, Nandakumar Kalarikkal, Manoj Raama Varma, K P Surendran, Exotic magnetic properties and enhanced magnetoelectric coupling in Fe3O4-BaTiO3 heterostructures, J. Alloys. Compd., 

  • 99. Navya Joseph, Aswathi Kaipamangalath, Manoj RaamaVarma, SenoyThomas,Size controlled growth of barium hexaferrite platelets using salt assisted sol-gel technique, Materials Chemistry and Physics, (2021), DOI:10.1016/j.matchemphys.2021.124971124971

  • 98. Ramany Revathy, Nandakumar Kalarikkal, Manoj Raama Varma, K P Surendran, Exchange-spring mechanism and Griffiths-like phase in room-temperature magnetoelectric Ni-BaTiO3 composites, Mater. Adv., (2021) DOI: 10.1039/d1ma00264c

  • 97. Ramany Revathy, M T Rahul, Nandakumar Kalarikkal, Manoj Raama Varma, K P Surendran, Sea urchin-like Ni encapsulated with BaTiO3 to form multiferroic core-shell structures for room temperature magnetoelectric sensors, Journal of Alloys and Compounds, 881, 160579 (2021)

  • 96. Kaipamangalath Aswathi, P. Neenu Lekshmi, Matjaz Valantd, Mojca Vrčon Mihelj, Manoj R. Varma, Exotic magnetic behavior with intrinsic and extrinsic magnetodielectric effects in Pr2CuMnO6, Journal of Alloys and Compounds, 867 15912 (2021)

  • 95. Ramany Revathy, Manoj Raama Varma, K P Surendran, Observation of Cluster Glass and Griffiths-like Phase in Fe3O4 Nanostructures, Physica Status Solidi (2020), 2000341, DOI: 10.1002/pssb.202000341

  • 94. Kaipamagalath Aswathi, Jasnamol P.PalakkaL , Manoj R.Varma, Observation of Griffiths-like phase in Y2CrMnO6 perovskite, Journal of Magnetism and Magnetic Materials (2020), DOI: 10.1016/j.jmmm.2020.167276

  • 93. Navya Joseph, Kavya Kizhakkinakath Mannur  Illam, Ruchira Vedavyasa Bhat, Neethu Edathil Veetil, Aswathi Kaipamangalath, Manoj RaamaVarma, SenoyThomas, Cryogenic magnetocaloric effect of cobalt hydroxide nanoparticles embedded in a nonmagnetic polymer matrix, Journal of Physics and Chemistry of Solids, 145, (2020), 109527, DOI: 10.1016/j.jpcs.2020.109527

  • 92. Ramany Revathy, Aswathi Kaipamangalath, Manoj Raama Varma, K P Surendran, BaTiO3 nanoparticle decorated hierarchical Ni nanowire assemblies for magnetoelectric applications. New Journal of Chemistry, (2020), DOI: 10.1039/c9nj05532k

  • 91. Ramany Revathy, Aswathi Kaipamangalath, Manoj Raama Varma, K P Surendran, Synthesis and characterization of Ni-BaTiO3-PDMS composite for flexible magnetoelectric applications, AIP Conference Proceedings 2220, 110036 (2020); https://doi.org/10.1063/5.0001765

  • 90. Kaipamangalath Aswathi, Manoj R.Varma, Structural, transport and magnetic properties of Pr2CoMnO6, AIP Conference Proceedings 2220, 110035 (2020); https://doi.org/10.1063/5.0001756

  • 89. Bhagya Uthaman, G R Raji, Senoy Thomas, K G Suresh, Manoj Raama Varma, Influence of Fe addition on the microstructure, magnetic properties and magnetocaloric behaviour of Gd5Si1.7Ge2.3, Intermetallics 115 (2019), 106629

  • 88. Kaipamangalath Aswathi, Jasnamol P.PalakkaL, P Neenu Lekshmi, Manoj R.Varma, A Griffith-like phase and variable range hopping of polarons in orthorhombic perovskite Pr2CrMnO6, New Journal of Chemistry, (2019), DOI:10.1039/c9nj04059e

  • 87. Ramany Revathy, Manoj Raama Varma, K P Surendran, Effect of morphology and ageing on the magnetic properties of nickel nanowires, Materials Research Bullettin 120 (2019) 110576-1-14, DOI: 10.1016/j.materresbull.2019.110576

  • 86. Bhagya Uthaman, G R Raji, Senoy Thomas, K G Suresh, Manoj Raama Varma, Tuning the structural transitions and magnetocaloric response in Gd5Si1.7Ge2.3 alloys through cobalt addition, IEEE Transactions on magnetics, (2019) 0018-9464, DOI: 10.1016/j.jmmm.2019.03.094

  • 85. Kaipamagalath Aswathi, Jasnamol P.PalakkaL,Ramany Revathy, Manoj R.Varma, Sign reversal of magnetization in Sm2CrMnO6 perovskites, Journal of Magnetism and Magnetic Materials 483 (2019) 89-94, DOI: 10.1016/j.jmmm.2019.03.094

  • 84. Jasnamol P. Palakkal,  Cheriyedath Raj Sankar,  Manoj R. Varma,  Magnetism and magnetoresistance in Al half doped LaNiO3, Materials Chemistry and Physics 225 (2019) 316–319, DOI: 10.1016/j.matchemphys.2019.01.001

  • 83. Aswathi Kaipamagalath, Jasnamol P.PalakkaL, Manoj R.Varma, Magnetization sign reversal, exchange bias, and Griffith like phase in orthorhombic perovskite Pr2FeMnO6, Journal of Magnetism and Magnetic Materials 476 (2019) 45–53, DOI: 10.1016/j.jmmm.2018.12.044

  • 82. Jasnamol P.PalakkaL, Raj S.Cheriyedath, cP.N.Lekshmi, MatjazValant, Mojca V.Mihelj, Manoj R.Varma, Large positive and negative magnetodielectric coupling in Fe half-doped LaMnO3, Journal of Magnetism and Magnetic Materials, 474 (2019) 183–186, doi: https://doi.org/10.1016/j.jmmm.2018.10.121

  • 81. Bhagya Uthaman, Revathy R, Rojerce Brown Job and Manoj Raama Varma, Structural, dielectric and impedance spectroscopy studies in Co Doped La0.7Te0.3MnO3, AIP Conference Proceedings, 050031-1-050031-4,  2018, https://doi.org/10.1063/1.5032686

  • 80. Aswathi Kaipamagalath, Jasnamol P Palakkal, Manoj R Varma, Griffiths-like phase in high TC perovskite La2FeReO6 prepared in a controlled reducing atmosphere, AIP Conference Proceedings,120041,  2018, https://doi.org/10.1063/1.5033106

  • 79. Jasnamol Pezhumkattil Palakkal, Aswathi Kaipamangalath, Cheriyedath Raj Sankar, Manoj R Varma, Structural, magnetic, and magnetotransport properties of LaFe0. 5Ni0. 5O3, Ceramics International 44 (2018) 22401–22405, https://doi.org/10.1016/j.ceramint.2018.09.005

  • 78. Jasnamol P Palakkal, Cheriyedath Raj Sankar, Manoj R Varma, Memory and aging effects of molecular nanomagnet Mn12 benzoate, AIP Conference Proceedings, 120050,  2018,  https://doi.org/10.1063/1.5033115

  • 77. Vijayakumar Sajitha Aswathy, Cheriyedath Raj Sankar, Manoj Raama Varma, Electronic structure and low temperature magnetoresistance of polycrystalline TlMQ2 (M = Sc, Bi, Q = Se, Te), AIP Conference Proceedings, 2018.

  • 76. G.R. Raji , Bhagya Uthaman , Rojerce Brown Job , Senoy Thomas , K.G. Suresh , Manoj Raama Varma, Magnetocaloric effect and critical behavior study in NiMnSnIn Heusler alloys, Intermetallics 100 (2018) 116–125

  • 75. Jasnamol Pezhumkattil Palakkal, Ajeesh Parayancheri Paulose, MatjazValant, Artem Badasyan, Manoj RaamaVarma, Unusual magnetodielectric effects in La2CuMnO6 induced by a dynamic crossover in dielectric relaxation at TC, Materials Research Bulletin, Volume 100, April 2018, Pages 226-233

  • 74. Jasnamol Pezhumkattil Palakkal, Cheriyedath Raj Sankar, Ajeesh Parayancheri Paulose, Manoj Raama Varma, Hopping conduction and spin glass behavior of La2FeMnO6, J.Alloys.Comp.  S0925-8388(18)30211-1, DOI: 10.1016/j.jallcom.2018.01.210, Reference: JALCOM 44674

  • 73. Y. Venkateswara, Sachin Gupta, S. Shanmukharao Samatham, Manoj Raama Varma, Enamullah ,K. G. Suresh,and Aftab Alam, Competing magnetic and spin-gapless semiconducting behavior in fully compensated ferrimagnetic CrVTiAl: Theory and experiment, PHYSICAL REVIEW B 97, 054407 (2018)

  • 72. Jasnamol Pezhumkattil Palakkal, Cheriyedath Raj Sankar, and Manoj Raama Varma, Multiple magnetic transitions, Griffiths-like phase, and magnetoresistance in La2CrMnO6, Journal of Applied Physics,122, 073907 (2017),doi: 10.1063/1.4999031

  • 71. Vijayakumar Sajitha Aswathy, Cheriyedath Raj Sankar, Manoj Raama Varma, Abdeljalil Assoud, Mario Bieringer and Holger Kleinke, Thermoelectric properties and thermal stability of layered chalcogenides,  TlScQ2, Q = Se, Te,  Dalton Trans.,  2017, 46, 17053-17060 http://dx.doi.org/10.1039/C7DT03446F

  • 70. Rahul S., Syju Thomas, Devadas K.M., Neson Varghese, Ajeesh P. Paulose, Manoj Raama Varma, Syamaprasad U. Tackling the agglomeration of Mg2Si dopant in MgB2 superconductor using cast Mg–Si alloy, Materials Research Bulletin 93 (2017) 296–302

  • 69. S. Rahul, K. M. Devadas, Syju Thomas, Neson Varghese, U. Syamaprasad,  A comparative study on the effects of n C, n SiC and BRH on the structural and superconducting properties of MgB2 PIT wires, Materials Chemistry and Physics, Volume 200, 1 October 2017, Pages 395-401

  • 68. Aswathi Kaippamagalath, , Jasnamol P. Palakkal , Ajeesh P. Paulose, and Manoj R. Varma, Structural and magnetic properties of multiferroic Y2NiMnO6 double perovskites, Ferroelectrics,  2017, VOL. 518, 1–7,https://doi.org/10.1080/00150193.2017.1360679

  • 67. BhagyaUthaman, P. Manju, Senoy Thomas, Deepshikha Jaiswal Nagar, K. G. Suresh and Manoj Raama Varma, Observation of short range ferromagnetic interactions and magnetocaloric effect in cobalt substituted Gd5Si2Ge2 ,  Phys. Chem. Chem. Phys. DOI: 10.1039/c7cp00849j 2017.

  • 66. Rahul S., Syju Thomas, Devadas K.M., Neson Varghese, Ajeesh P. Paulose, Manoj Raama Varma, Syamaprasad U, Tackling the agglomeration of Mg2Si dopant in MgB2 superconductor using cast Mg–Si alloy, Materials Research Bulletin 93 (2017) 296–302.

  • 65. G.R.Raji, Ajeesh P. Paulose, Rojerce Brown Job, Senoy Thomas, K.G. Suresh, Manoj Raama Varma, Phase transformations, inverse magnetocaloric effect and critical behavior of Ni50Mn36Sn14−xSix Heusler alloys, Intermetallics, Volume 82, March 2017, Pages 59–67

  • 64. I.J. Induja, K.P. Surendrana, M.R. Varmaa, M.T. Sebastian, Low κ, low loss alumina-glass composite with low CTE for LTCC microelectronic applications, Ceramics International 43 (2017) 736–740

  • 63. Ramakrishnan (R), Jinesh (K B), Devaki (S J) AndVarma (M R). 'Facile Strategy for the Fabrication of Efficient Nonvolatile Bistable Memory Devices Based on PolyvinylCarbazole-Zinc Oxide. 'Physica Status Solidi A- Applications and Materials Science, 2016, 213(9):2414-2424

  • 62. Induja I. Jayapalan Nair,  Manoj R. Varma, Mailadil T. Sebastian, Low cost room temperature curable alumina ink for printed  electronic applications,  J Mater Sci: Mater Electron, September 2016, Volume 27, Issue 9, pp 9891–9899

  • 61. RajaramanRamakrishnan, Sudha J. Devaki, A. Aashish, Senoy Thomas, Manoj Raama Varma,andNajiya KPP, Nanostructured  semiconducting PEDOT−TiO2 / ZnO Hybrid Composites for Nanodevice Applications, J. Phys. Chem. C 2016, 120, 4199−4210

  • 60. G. R. Raji, BhagyaUthaman, Rajesh Kumar Rajan, Sharannia M. P, Senoy Thomas,  K. G. Suresh  and Manoj Raama Varma, Martensitic transition, spin glass behavior and enhanced exchange bias in Si substituted Ni50Mn36Sn14 Heusler alloys RSC Adv., 2016, 6, 32037-32045

  • 59. Jasnamo lPezhumkattilPalakkal, P. NeenuLekshmi, Senoy Thomas, MatjazValant, K.G. Suresh, Manoj Raama Varma, Polarons induced electronic transport, dielectric relaxation and magnetodielectric coupling in spin frustrated Ba2FeWO6, Materials Research Bulletin 76 (2016) 161–168

  • 58. Enamullah,  Y. Venkateswara, Sachin Gupta, Manoj Raama Varma, Prashant Singh, K. G. Suresh, and AftabAlam, Electronic structure, magnetism, and antisite disorder in CoFeCrGe and CoMnCrAl quaternary Heusler alloys, Physical Review B 92, 224413 (1-7) (2015)

  • 57. Jasnamol Pezhumkattil Palakkal, P. NeenuLekshmi, Senoy Thomas, K. G. Suresh and Manoj Raama Varma, Observation of high-temperature magnetic transition and existence of ferromagnetic short range correlations above transition in double perovsite La2FeMnO6, RSC Adv., 2015, 5, 105531–105536

  • 56. BhagyaUthaman, K.S.Anand, Rajesh Kumar Rajan, Htet H. Kyaw, Senoy Thomas, Salim Al-Harthi, K.G.Suresh and Manoj Raama Varma, “Structural properties, magnetic interactions, magnetocaloric effect and critical behaviour of Cobalt doped La0.7Te0.3MnO3” RSC Adv., 2015, 5, 86144–86155

  • 55. B. G. Ganga, Manoj Raama Varma and P. N. Santhosh,Evidence of reduced antiferromagnetic transition in mesocrystals of CuO synthesized by a surfactant-free soution phase method, CrystEngComm,  17 7086-7093 (2015)

  • 54. J. B. Anooja, P. M. Aswathy, Neson Varghese, Manoj Raama Varma and U. Syamaprasad, Structural and superconducting properties of BaF2 Doped SmFeAsO, Materials Science Forum 830 595-599 (2015)

  • 53. BhagyaUthaman and Manoj Raama Varma, “Effect of Nd Substitution on the structural and magnetocaloric properties of Gd5Si2Ge2”, Materials Science Forum 830  501-504 (2015)

  • 52. Neson Varghese, Devadas K. M., P. M. Aswathy, J. B. Anooja, Manoj Raama Varma and U. Syamaprasad, Enhanced transport current in MgB2 superconducting wire through metallic Fe addition, Materials Science Forum 830  509-512 (2015)

  • 51. G.R.Raji, BhagyaUthaman, Senoy Thomas, K.G. Suresh and Manoj Raama Varma, Magnetocaloric properties, exchange bias, and critical behavior of Ge substituted Ni5Mn36Sn14 Heusler alloys, J. Appl. Phys. 117 , 103908 1-6 (2015)

  • 50. BhagyaUthaman, G. R. Raji G.R. Senoy Thomas, K.G. Suresh and Manoj Raama Varma, Tuning the structural and magnetocaloric properties of Gd5Si2Ge2 with Nd substitution J. Appl. Phys. 117 , 013910 1-7 (2015)

  • 49. Rajaraman Ramakrishnan, AashishAravind, Sudha J. Devaki, Manoj Raama Varma, and Kiran Mohan, Facile Bioanchoring Strategy for the Preparation of Hierarchical Multiple Structured ZnO Crystals and Its Application as a Photoanode in Dye Sensitized Solar Cells, J. Phys. Chem. C, 2014, 118 (34), pp 19529–19539Publication Date (Web): August 6, 2014 (Article), DOI: 10.1021/jp503886s

  • 48. P.NeenuLekshmi, M.Vasundhara, Manoj Raama Varma, K.G.Suresh and M Valant, Structure, magnetic and dielectric properties of rare earth based double perovskites RE2NiMnO6 (RE=La,Pr,Sm and Tb), Physca B: Condensed Matter, 2014,448,285

  • 47. P. NeenuLekshmi, G. R. Raji, M. Vasundhara, Manoj Raama Varma, S. Savitha Pillai and M. Valant , Re-entrant spin glass behaviour and magneto-dielectric effect in insulating Sm2NiMnO6 double perovskite, J. Mater. Chem. C, 2013, 1 (40), 6565 – 6574.

  • 46. C. P. Reshmi, S. Savitha Pillai, K. G. Suresh, M. R. Varma, Co-existence of magnetocaloric effect and magnetoresistance in Co substituted La0.67Sr0.33MnO3 at room temperature, J. Appl. Phys. 114, 033904 (2013); doi: 10.1063/1.4813515.

  • 45. K. Hasna, S. Sasanka Kumar, Manoj Komath, Manoj Raama Varma, M. K. Jayaraj and K. Rajeev Kumar, Synthesis of chemically pure, luminescent Eu3+ doped HAp nanoparticles: a promising fluorescent probe for in vivo imaging applications, Phys. Chem. Chem. Phys., 15(2013) 8106-8111.

  • 44. P. Nisha, S. SavithaPillai, Manoj Raama Varma, K.G. Suresh, Influence of cobalt on the structural, magnetic and magnetocaloric properties of La0.67Ca0.33MnO3, Journal of Magnetism and Magnetic Materials 327 ( 2013)  189-195.

  • 43. C.P. Reshmi, S. Savitha Pillai, K.G. Suresh, Manoj Raama Varma,Room temperature magnetocaloric properties of Ni substituted La0.67Sr0.33MnO3, Solid State Sciences,  19 (2013) 130-135

  • 42. C. P. Reshmi, S. SavithaPillai, K. G. Suresh, M. R. Varma, Near room temperature magnetocaloric properties of Fe substituted La0.67Sr0.33MnO3, Mater. Res. Bull, 48 2 (2013) 889-894.

  • 41. C.P. Reshmi, S. SavithaPillai , K.G. Suresh , Manoj Raama Varma, Room temperature Magnetic and magnetocaloricpropertiesofGd3_xTbxGa5O12 (x¼0, 1,2,3) garnets, Journal of Magnetism and Magnetic Materials, 324 12 (2012)1962-1966

  • 40. P. NeenuLekshmi, S.S. Pillai, K.G. Suresh, P.N.Santhosh, M.R. Varma,Room temperature  relaxor ferroelectricity and spin glass behavior in Sr2FeTiO6 double perovskite, Journal of Alloys and Compounds, Volume 522 5 (2012) 90-95

  • 39. P. Nisha , S. SavithaPillai , Manoj Raama Varma, K.G. Suresh, Critical behavior and magnetocaloric effect in La0.67Ca0.33Mn1_xCrxO3 (x = 0.1, 0.25), Solid State Sciences 14 (2012) 40-47

  • 38. P. Nisha, S. SavithaPillai, Azad Darbandi, Manoj Raama Varma, K.G. Suresh, Horst Hahn, Critical behaviour and magnetocaloric effect of nano crystalline La0.67Ca0.33Mn1−xFexO3 (x = 0.05, 0.2) synthesized by nebulized spray pyrolysis, Materials Chemistry and Physics,136 1 14 (2012) 66-74

  • 37. P. Nisha , S. SavithaPillai , K.G. Suresh , Manoj Raama Varma, Influence of Dyaddition on the magnetocaloriceffectof La0.67Ca0.33 Mn0.9V0.1O3 ceramics,Journal of Magnetism and Magnetic Materials, 324 (2012) 37–43.

  • 36. Manoj Raama Varma, C. P. Reshmi and P. NeenuLekshmi, Sinterability and Dielectric Properties of ZnNb2O6 – Glass Ceramic Composites, Advances in Ceramics –Synthesis and Characterization, Processing and Specific Applications, 277-290 (2011) Edited by: Costas Sikalidis, Publisher: In Tech Open Access Publisher , Croatia, ISBN 978-953-307-505-1.

  • 35. Nisha P, Suresh K.G and Manoj Raama Varma, Magnetocaloric effect in nanocrystallineLa0.67Ca0.33Mn0.9V0.1O3 , International Journal of Nanoscience, Volume: 10, Issues: 1-2(2011) pp. 291-294.

  • 34. M.A. Sanoj, C.P. Reshmi, K.P. Sreena, Manoj Raama Varma, Sinterability and microwave dielectric properties of nano structured 0.95MgTiO3–0.05CaTiO3 synthesised by top down and bottom up approaches, Journal of Alloys and Compounds 509 (2011) 3089–3095.

  • 33. LajinaThazhe, AnasShereef, SatyajitShukla, Chalappurath PattelathReshmi, Manoj Raama Varma, Krishna Gopinatha Suresh,, KashinathPatil, Krishna GopakumarWarrier, Magnetic Dye-Adsorbent Catalyst: Processing, Characterization,andApplication, J. Am. Ceram. Soc., Volume 93 11 (2010) 3642–36.

  • 32. Nisha P, SavithaPillai.S, Darbandi A, Misra A, Suresh K.G, Varma M.R and Hahn H, Magnetism and magnetocaloric effect in nano crystalline La0.67Ca0.33Mn0.9V0.1O3 synthesized by Nebulized Spray Pyrolysis, J. Phys. D: Appl. Phys., 43 (2010) 135001.

  • 31. MukkuttiparambilAyyappanSanoj, ChalappurathPattelathReshmi, Manoj RaamaVarma, Finite size effect on Sinterability and Dielectric Properties of ZnNb2O6 – Glass Composites, J. Am. Ceram. Soc. 92 (11): (2009) 2648-2653.

  • 30. P. Nisha, P.N. Santhosh, K.G. Suresh, C. Pavithran, Manoj RaamaVarma, Near room temperature magneto caloric effect in V doped La0.67Ca0.33MnO3 ceramics, Journal of Alloys and Compounds, 478 (2009) 566–571.

  • 29. M.A. Sanoj, Manoj RaamaVarma, Sinterabilityand microwave dielectric properties of 0.95MgTiO3–0.05CaTiO3–glass ceramic composites, Journal of Alloys and Compounds, 477 (2009) 565–569.

  • 28. H. Padma Kumar, Annamma John, C. Vijayakumar, J.K. Thomas, Manoj RaamaVarma, Sam Solomon , Synthesis of low loss, thermally stable CexY1-xTiTaO6 microwave ceramics, Materials Research Bulletin, 44, 2 4 (2009)  276-279.

  • 27. Hariharan Padma Kumar, Shyla Joseph, Sam Solomon, Manoj RaamaVarma, Jijimon Kumpukkatu Thomas, Synthesis, Structure Analysis, and Microwave Dielectric Properties of LnTiSbxTa1−xO6 (Ln=Ce, Pr, and Nd) Ceramics, Int. J. Appl. Ceram. Technol., 5,[4], 2008, p 347-352.

  • 26. Senoy Thomas, Saritha. K. Nair, E. Muhammad Abdul Jamal, Salim Al Harthi, Manoj RaamaVarma and M.R.Anatharaman, Size dependant plasmon resonance of silver nano particles in sol-gel silica, Nano Technology, 19,2008,075710 (7PP).

  • 25. P.C. RajathVarma, RudraSekhar Manna, D. Banerjee,  Manoj RaamaVarma  K.G. Suresh and A. K. Nigam, Magnetic properties of CoFe2O4 synthesized by solid state, citrate precursor and polymerized complex methods: A comparative study, Journal of Alloys and Compounds, Volume 453, Issues 1-2, 3 2008, Pages 298-303

  • 24. James T. Joseph, H. Padma Kumar, M.R. Varma, J.K. Thomas and Sam Solomon,  Effect of Nb2O5 substitution on the dielectric characteristics of DyTiTaO6 microwave ceramics,  Materials Letters,  62,6-7, 15, 2008, 1064-1066.

  • 23. H. Padma Kumar, J.K. Thomas, M.R.Varma and Sam Solomon Synthesis and characterization of thermally stable, high Q, NdxY1−xTiTaO6 dielectric resonators, Journal of Alloys and Compounds,  455, 1-2, 8, 2008, 475-479.

  • 22. Sam Solomon, H. Padma Kumar, Lovely Jacob, J.K. Thomas and Manoj Raama Varma, Ln(Zr1/3Ti2/3)TaO6 (Ln = Ce, Pr, Nd and Eu): A novel group of microwave ceramics, Journal of Alloys and Compounds, Volume 461, Issues 1-2, 11,  2008, Pages 675-677

  • 21. Manoj RaamaVarma, P. Nisha and P.C. RajathVarma, Sinterability studies and microwave dielectric properties of sol–gel synthesized Ba(Zn1/3Ta2/3)O3 nanoparticles, Journal of Alloys and Compounds, 457, 2008,422-428

  • 20. H. Padma Kumar, James T. Joseph, J.K. Thomas, Manoj Raama Varma, Annamma John and Sam Solomon, Influence of zinc oxide addition on LnTiTaO6 (Ln = Pr, Sm and Dy) materials for dielectric resonators, Materials Science and Engineering: B, Volume 143, Issues 1-3, 25, 2007, Pages 51-54

  • 19. K.P. Surendran, P.C. RajathVarma and Manoj Raama Varma , Solid state and solution synthesis of Ba(Mg1/3Ta2/3)O3: A comparative study, Materials Research Bulletin, Volume 42, Issue 10, 2 October 2007, Pages 1831-1844

  • 18. Manoj aamaVarma and M.T. Sebastian , Effect of dopants on microwave dielectric properties of Ba(Zn1/3Nb2/3)O3  ceramics, Journal of the European Ceramic Society,  Volume 27, Issues 8-9, 2007, Pages 2827-2833

  • 17. Manoj RaamaVarma and N. D. Kataria, Effect of dopants on the low temperature microwave dielectric properties of Ba(Zn1/3Ta2/3)O3 ceramics J. Mater. Sci.: Mater. Electron. 18, (2007), 441-446.

  • 16. Manoj RaamaVarma, S. Biju and M.T.Sebastian, A novel method for synthesizing phase pure nano powders of Ba(Zn1/3Ta2/3)O3 for microwave dielectric resonator applications, J.Eur.Ceram.Soc. 26,(2006), 1903-1907

  • 15. Manoj RaamaVarma, ResmiReghunandan and M.T.Sebastian, Effect of dopants on microwave dielectric properties of Ba(Zn1/3Ta2/3)O3 Ceramics, Jap.J.Appl.Phys.,44, 1A, (2005), 298-303.

  • 14. P. V. Bijumon, V. Kohli, Om Parkash,  M. R. Varma, and M. T. Sebastian Dielectric properties of Ba5MTi3A7O30 [M = Ce, Pr, Nd, Sm, Gd, Dy and Bi; A = Nb, Ta] ceramics,  Mater. Sci. Engg.B, 113, 13-18, 2004

  • 13. Manoj Raama Varma, H. Sreemoolanathan and V.Chandrasekaran, Effect of different raw materials on the microwave dielectric properties of Ba2Ti9O20 Ceramics, J.Mater Sci. Elec.Mater. 15(6),345-349, 2004

  • 12. K. P. Surendran, Manoj Raama Varma, P. Mohanan and M.T. Sebastian., “Tailoring the microwave dielectric properties of RE1-xREx’TiNbO6 ceramics”. J. American Ceramic Society, 80,[10], 1695-99,  2003

  • 11. K. P. Surendran, Manoj Raama Varma, M. T. Sebastian and P. Mohanan “Microwave Dielectric Properties of RETiTaO6 [RE= La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y, Er, Yb, Al and In] Ceramics, J.Mater Res, Vol 17,No. 10,  2561-2566,  Oct 2002.

  • 10. Sam Solomon, Manoj Kumar,  K. P. Surendran and  M. T. Sebastian & P. “Mohanan Synthesis ,Characterization and Properties of [RE1-xRE'x ]TiNbO6 Ceramics for Dielectric Resonator Applications in Microwave Circuits”, Physics and Chemistry of Materials, 67, 291-293, 2001

  • 9. Manoj Raama Varma, R.Sasikumar and P.Kesavan Nair, and S.G.K.Pillai, “Computer simulation of TTT diagrams of some hypo eutectoid plain carbon steels” , Trans Indian Inst. Met., 54, 4, 173-178, August  2001

  • 8. M. T. Sebastian,  Manoj Raama Varma, N. Santha, I.N. Jawahar, K.P. Surendran, P.V. Bijumon. “Ceramic dielectric resonators for microwave telecommunications”, Metals Materials and Processes 13, No. 2-4, 327-338, 2001 

  • 7. RoschenSasikumar, Elizabeth Jacob , S. Savithri, Manoj Kumar and M. Ravi, Computer  Simulation of Solidification processes, Metals Materials and Processes, 13, 2001, 361-368.

  • 6. Manoj Raama Varma, R.Sasikumar and P.Kesavan Nair, and S.G.K.Pillai, “Cellular automaton simulation of microstructure evolution during austenite  decomposition under continuous cooling conditions”, Bull. Mater Sci. 24, 3, 305-312, 2001

  • 5. Manoj Kumar, R.Sasikumar and P.Kesavan Nair, “Competition between nucleation and early growth of ferrite from austenite- studies using cellular automaton simulations”,  Acta. metall. mater. 46, no.17 ,6291-6303, 1998.

  • 4. R.Sasikumar, M.Kumar, “The strength of coupling between macroscopic heat flow and equiaxed grain formation in castings”, Acta.metall.mater.,43,12, 4387-4392, 1995.

  • 3. R.SasikumarandM.Kumar, “Redistribution of particles during casting of composite melts: Effects of buoyancy and Particle pushing” Acta. Metall. Mater., 39, 11, 2508 – 2511, 1991

  • 2. R.Vasudevan and M.Kumar, Effects of ultrasonic vibrations on the age hardening behaviour of 17-4 PH martensitic stainless steels”, Scandinavian Jl. of Metallurgy, 20, 1991, 183-189.

  • 1. M.Kumar&R.Vasudevan, “ Effect of ultrasonic vibrations on the age hardening behaviour of 17-7 PH and AISI 301 steels” Harteri Technische Mitteilungen, 44, 95-98, 1989

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