1. Influence of Bi3+ doping on structural, optical, and photocatalytic degradation properties of NiWO4 nanocrystals, Hitha H, Mathew John, Anjaly Jose, Soumya Kuriakose and Thomas Varghese, Journal            of           Solid           State           Chemistry (Elsevier), 121892 (2020). https://doi.org/10.1016/j.jssc.2020.121892  (IF – 3.656)
2. Effect of Bi³⁺ substitution on structural and electrical properties of polycrystalline NiWO₄ nanoparticles, Hitha H, Mathew John, Anjaly Jose, Soumya Kuriakose, Thomas Varghese, Journal of Materials Science: Materials in Electronics (Springer), October 2020, DOI: 10.1007/s10854-020-04630-x    (IF – 2.779)
3. Structural modifications, and extended optical properties of Ni_1-xCo_xWO₄ nanoparticles, Hitha H, Mathew John, Anjaly Jose, Soumya Kuriakose, Thomas Varghese, Journal of Solid State Chemistry (Elsevier) 290, 121546 (2020) https://doi.org/10.1016/j.jssc.2020.121546

 (IF – 3.656)

4. Dependence of Dielectric Parameters and AC Conductivity on Frequency in Polycrystalline NiWO4, H.Hitha, Soumya Kuriakose, Mathew John, Anjaly Jose, and Thomas Varghese, AIP Conf. Proc. 2263, 050005 (2020); https://doi.org/10.1063/5.0016852  (IF – 0.402)
5. Structural and optical modification of NiWO₄ – Formation of NiWO4/SnPc nanocomposite for improved photocatalytic activity, Hitha H, Anjaly Jose, Mathew John, Thomas Varghese, Materials                   Chemistry                   and Physics      (Elsevier)(2019); DOI:https://doi.org/10.1016/j.matchemphys.2019.122080    (IF – 4.778)
6. Synthesis, characterization and photocatalytic activity of NiWO₄ nanoparticles, Hitha H, Anjaly   Jose,    Thomas    Varghese,    AIP    Conference    Proceedings 2082,    030017 (2019); https://doi.org/10.1063/1.5093835 (IF – 0.402)
7. Structural, optical and magnetic properties of nanophase NiWO₄ for potential applications, Hitha H, Anjali Jose, A. Sreedevi, K.P. Priyanka and Thomas Varghese, European Physical Journal B (Springer). 2018 (DOI:10.1140/epjb/e2018-90382-3) (IF – 1.398)
8. Influence of finite size and surface effects on the structural, electrical and magnetic properties of nanostructured nickel oxide, Sheena PA, Hitha H, Sreedevi A, Thomas Varghese, Journal of Materials Science: Materials in Electronics (Springer) 31, 5769–5778 (2020); DOI: 10.1007/s10854-020-03147-7  (IF – 2.779)

9. Synthesis and Characterization of La₂(WO₄)₃ Nanophosphors via Chemical Precipitation Method, Soumya Kuriakose, H.Hitha, Anjaly Jose, Mathew John, Thomas Varghese, AIP Conf. Proc. 2263, 060001 (2020); https://doi.org/10.1063/5.0016855    (IF – 0.402)
10. Structural and optical characterization of lanthanum tungstate nanoparticles synthesized by chemical precipitation route and their photocatalytic activity, Soumya Kuriakose, Hitha H, Anjali    Jose,    Mathew    John,    Thomas    Varghese,     Optical     Materials (Elsevier)(2019); https://doi.org/10.1016/j.optmat.2019.109571     (IF – 3.754)
11. Microstructural characterization and modified spectral response of cobalt doped NiO nanoparticles, Sheena PA, Hitha H, Sreedevi A, Thomas Varghese, Materials Chemistry and Physics (Elsevier) (2019); DOI: 10.1016/j.matchemphys.2019.03.033    (IF – 4.778)
12. Synthesis and characterization of iron cerium tungstate nanoparticles and their dielectric studies, Anjaly Jose, Aneesh George, Shinju Benny, H. Hitha, Thomas Varghese, AIP Conference Proceedings 2082, 030005 (2019); https://doi.org/10.1063/1.5093823  (IF – 0.402)
13. CeO₂/CoPc Nanocomposite for Potential Applications in Electronics, K. K. Babitha, K. P. Priyanka, H. Hitha, S. Rintu Mary, E. M. Mohammed, S. Sankararaman & Thomas Varghese, Journal of Electronic Materials (Springer), 2017; DOI 10.1007/s11664-017-5653-z

(IF – 2.047)

Workshop on advanced analytical techniques in materials science

      Department of Nanoscience and Technology, University of    Calicut. January 2020

2.  Workshop on material characterization techniques and data  analysis

     CUSAT. 08 and 09,  March 2019

3.  Workshop on Fourier Transform  Infrared Spectroscopy

      STIC,  CUSAT. 18  November 2016

4. Workshop on advances in nanomaterials

     University of Calicut. 25 and 26 August 2009

. Science and technology of advanced materials (STAM 20)

Paper presented: Dependence of dielectric parameters and AC conductivity on frequency in        polycrystalline NiWO₄

  MarAthanasius  college Kothamangalam. 14-16 January 2020. CUSAT

2. Optoelectronic and nanomaterials for advanced technology

  Paper presented: Synthesis, characterizati on and photocatalytic activity of  NiWO₄

   CUSAT. 03-05 January 2019

3. 29^th Kerala science congress

Marthoma College, Thiruvalla. 28-30 January 2017

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