Research Publications
List of Research Publications
International Journals
31. Mn and Al co-doped CdS:Cr nanoparticles for spintronic applications, B. Poornaprakash,
K. Subramanyam, Y.L. Kim, M. Siva Pratap Reddy, Materials Science in Semiconductor
Processing, 134 (2021) 106055. (Elsevier Publication)
30. Boosting solar driven hydrogen evolution rate of CdS nanorods adorned with MoS2 and SnS2
nanostructures, M. Ramanadha, K. Subramanyam, R.P. Vijayalakshmi, Colloid and Interface
Science Communications, 43 (2021) 100437. (Elsevier Publication)
29. Photoluminescence and hydrogen evolution properties of ZnS:Eu quantum dots, B.
Poornaprakash, K. Subramanyam, Y.L. Kim, M. Siva Pratap Reddy, Ceramics International, 47
(2021) 28976-28984. (Elsevier Publication)
28. Doping-induced photocatalytic activity and hydrogen evolution of ZnS: V nanoparticles, B.
Poornaprakash, K. Subramanyam, Y.L. Kim, M. Siva Pratap Reddy, Ceramics International, 47
(2021) 26438-26446. (Elsevier Publication)
27. Enhanced Solar Driven Hydrogen Evolution Rate by Integrating Dual Co-Catalysts (MoS2,
SeS2) on CdS Nanorods, M. Ramanadha, K. Subramanyam, R.P. Vijayalakshmi, Colloids and
Surfaces A: Physicochemical and Engineering Aspects, 625 (2021) 126852. (Elsevier
Publication)
26. Robust ferromagnetism of ZnO:(Ni+Er) diluted magnetic semiconductor nanoparticles for
spintronics applications, B. Poornaprakash, K. Subramanyam, Y.L. Kim, M. Siva Pratap Reddy,
Ceramics International, 47 (2021) 18557-18564. (Elsevier Publication)
25. Room temperature ferromagnetism and enhanced photocatalytic activity of ZnO:Ga nanorods,
B. Poornaprakash, K. Subramanyam, Y.L. Kim, M. Siva Pratap Reddy, Applied Physics A
127 (2021) 64. (Springer Publication)
24. Enhanced photoluminescence characteristics and intrinsic ferromagnetism in Co-substituted CeO2
nanoparticles, B. Poornaprakash, K. Subramanyam*, Y.L. Kim, M. Siva Pratap Reddy, Materials
Science in Semiconductor Processing, 123 (2021) 105566 (Elsevier Publication)
23. Influence of transition metals co-doping on CeO2 magnetic and photocatalytic activities, K. Subramanyam*, N. Sreelekha, D. Amaranatha Reddy, B. Poornaprakash, R.P. Vijayalakshmi, Ceramics International, 46 (2020) 5086-5097. (Elsevier Publication)
22. Enhanced photocatalytic activity and hydrogen evolution of CdS nanoparticles through Er doping, B. Poornaprakash, U. Chalapathi, K. Subramanyam, S. V. Prabhakar Vattikuti, Si-Hyun Park, Ceramics International, 46 (2020) 21728-21735. (Elsevier Publication)
21. Effects of Ce incorporation on the structural, morphological, optical, magnetic, and photocatalytic characteristics of ZnO nanoparticles, B. Poornaprakash, U. Chalapathi, K. Subramanyam, S. V. Prabhakar Vattikuti, Si-Hyun Park, Materials Research Express, 6(2019)125075. (IOP Publication)
20. Wurtzite phase Co-doped ZnO nanorods: Morphological, structural, optical, magnetic, and enhanced photocatalytic characteristics, B. Poornaprakash, U. Chalapathi, K. Subramanyam, S. V. Prabhakar Vattikuti, Si-Hyun Park, Ceramics International 46, (2020) 2931-2939. (Elsevier Publication)
19. Achieving enhanced ferromagnetism in ZnTbO nanoparticles through Cu co-doping, B. Poornaprakash, K. Subramanyam, S.V. Prabhakar, M. Siva Pratap Reddy, Ceramics International 45, (2019) 16347-16352. (Elsevier Publication)
18. Decorating MoS2-CoSe2 nanostructures on 1D-CdS nanorods for boosting Photocatalytic Hydrogen
evolution rate, M. Ramanadha, K. Subramanyam, R.P. Vijayalakshmi, Journal of Molecular Liquids, 289 (2019) 111164. (Elsevier Publication)
17. Benchmark Analysis on Magnetic and Photoluminescence Properties of Selective Metal Ions
Doped ZnS Nanoparticles, K. Subramanyam*, K. Manoj Kumar, J Supercond Nov Magn, 31
(2018) 4972-4977. (Springer Publication)
16. Transition of Magnetic Characteristics from Paramagnetic State to Ferromagnetic Phase in
Ce1−xNixO2 Nanoparticles, P. L. Madhav, K. Subramanyam*, N. Sreelekha, D. Amaranatha
Reddy, G. Murali, R.P. Vijayalakshmi, J Supercond Nov Magn, 26 (2017) 4375-4381. (Springer
Publication)
15. Chemical synthesis, structural, optical, magnetic characteristics and enhanced visible light active photocatalysis of Ni doped CuS nanoparticles, K. Subramanyam*, N. Sreelekha, D. Amaranatha Reddy, G. Murali, R.P. Vijayalakshmi, Solid State Sciences 65 (2017) 68-78. (Elsevier Publication)
14. Experimental Investigation of Graphene coated Al cuboid crammed with PCM`s for Efficient Thermal Energy Storage and Conversion, Ch. Abhinav, K. Vamsi Krishna Reddy, G. Goutham Raju, K. Subramanyam*, IRJET, 4 (2017) 396-402. (International Publication)
13. Influence of Mn Doping on Structural, Photoluminescence and Magnetic Characteristics of Covellite-Phase CuS Nanoparticles, K. Subramanyam*, N. Sreelekha, D. Amaranatha Reddy, G. Murali, R.P. Vijayalakshmi, J Supercond Nov Magn, 26 (2017) 4296-4301. (Springer Publication)
12. Structural and photoluminescence characteristics of Cu doped CdS nanoparticles, K. Raviteja, K. Subramanyam*, N. Sreelekha, D. Amaranatha Reddy, G. Murali, R.P. Vijayalakshmi, Advanced Science Letters 24 (2018) 5657-5660. (American Scientific Publications)
11. Efficient photocatalytic degradation of rhodamine-B by Fe doped CuS diluted magnetic
semiconductor nanoparticles under the simulated sunlight irradiation, N. Sreelekha, K.
Subramanyam, D. Amaranatha Reddy, G. Murali, R.P. Vijayalakshmi, Solid State Sciences 62
(2016) 71-81. (Elsevier Publication)
10. Synthesis, structural, optical, and magnetic properties of Co doped, Sm doped and Co+Sm
co-doped ZnS nanoparticles, B. Poornaprakash, P.T. Poojitha, U. Chalapathi, K. Subramanyam,
Si- Hyun Park, Physica- E, 83 (2016) 180-185. (Elsevier Publication)
9. Structural, optical, magnetic and photocatalytic properties of Co doped CuS diluted magnetic
semiconductor nanoparticles, N. Sreelekha, K. Subramanyam, D. Amaranatha Reddy, G. Murali,
R.P. Vijayalakshmi, Applied Surface Science 378 (2016) 330–340. (Elsevier Publication)
8. Synthesis and characterization of CuInS2 nanoparticles as potential candidates for photocatalyst and
photovoltaic materials, V. Rajendar, K. Subramanyam, D. Amaranatha Reddy, G. Murali,
R.P. Vijayalakshmi, Chalcogenide Letters 13 (2016) 467-475. (Forum of Chalcogeniders
Publications)
7. Dopant Induced Room Temperature Ferromagnetism in Spintronic SnO2: Co Nanoparticles” by E. Pradyumna, N. Sreelekha, D. Amaranatha Reddy, K.R. Gunasekhar, K. Subramanyam*., International Journal of Advanced Engineering and Nano Technology (IJAENT) ISSN: 2347-6389, 11 (2015) 22. (BEIES Publications)
6. Influence of Co co-doping on structural, optical and magnetic properties of SnO2: Cr nanoparticles,
K. Subramanyam, N. Sreelekha, D. Amaranatha Reddy, G. Murali, R.P. Vijayalakshmi,
Superlattices and Microstructures, 82 (2015) 207–218. (Elsevier Publication)
5. Structural, optical and magnetic properties of chromium and manganese co-doped SnO2
nanoparticles, K. Subramanyam, N. Sreelekha, D. Amaranatha Reddy, G. Murali, B.
Poornaprakash, S. Ramu, R.P. Vijayalakshmi, Solid State Sciences, 39 (2015) 74-81. (Elsevier
Publication)
4. Enhanced room temperature ferromagnetism in polyethylene glycol capped Sn0.99-xCuxCr0.01O2
nanoparticles, K. Subramanyam, N. Sreelekha, D. Amaranatha Reddy, G. Murali, R.P.
Vijayalakshmi, International Journal of Innovative Technology and Exploring Engineering
(IJITEE), 4 (2014) 27-32. (BEIES Publications)
3. Structural, optical and magnetic properties of Cr doped SnO2 nanoparticles stabilized with
polyethylene glycol, K. Subramanyam, N. Sreelekha, G. Murali, D. Amaranatha Reddy, R.P.
Vijayalakshmi, Physica B, 454 (2014) 86-92. (Elsevier Publication)
2. Influence of Co doping on structural and optical properties of SnO2 nanoparticles” by
K. Subramanyam, N. Sreelekha, G.Murali, R.P. Vijayalakshmi ., International journal of
Chem Tech Research, IJCRGG ISSN: 0974-4290; 6(2014) 2051-2054.
1. Effect of Cu doping on Structural and Optical properties of CdS Nanoparticles” by
N.Sreelekha, K. Subramanyam, N. Madhusudhana Rao, G. Murali, R.P. Vijayalakshmi.,
International journal of Chem Tech Research, IJCRGG ISSN: 0974-4290; 6(2014) 2113-2116.
International & National Conferences/Seminars/Workshops attended
15. Presented an oral entitled “Comparative studies on transition metals doped CuS chalcogenide based magnetic nanoparticles towards spintronic and waste water treatment applications” in National Conference on Recent Trends in Science, Engineering & Technology (RTSET’19), at the Annamacharya Institute of Technology & Sciences (Autonomous), Tirupati, Andhra Pradesh, India on 30th & 31st October 2019.
14. Participated in two day state level workshop on Crux of Writing Journal Papers, Research
Proposals and Patents organized by Dept of Mechanical Engineering, Raghu Engineering College,
Vizag, from April 27-28th 2017.
13. Participated in three day state level workshop on sprouting affinities of nanomaterials for
Engineering and medical applications (SANEMA-2016), organized by Dept of Physics G.V.P.
Engineering college, Vizag, from Dec 22-24th, 2016.
12. Presented a poster entitled “Importance of CuS nanophotocatalyst towards waste water treatment
in pharmaceutical industries” at International conference on Emergent strategies for Impurity
profiling, Raghu Educational institutions, Visakhapatnam, during 16-17th, July 2016.
11. Presented a poster entitled “Investigations on structural and magnetic properties of Fe doped CuS
nanoparticles” at Experimental research facilities in physics, Dept. of Physics, JNTU vizianagarm,
during 1-2nd , July 2016.
10. Presented a poster entitled “Influence of Co doping on structural and magnetic properties of
CuS nanoparticles” in Two day National conference on advanced functional Materials (NCAFM –
2016), Sri Venkateswara University, Tirupati on Mar. 23-24th, 2016.
9. Presented a poster entitled “Repercussion of Mn doping on structural and magnetic properties of
SnO2 Nanoparticles” in UGC Sponsored National Conference on Recent Trends in Materials
Science (RTMS-2015), Dept. of Physics, S.V. Degree and P.G colleges, Kadapa, on March 1-2,
2015.
8. Presented an oral entitled “Controlled synthesis of novel spherical shape Sn1-xNixO2 nanoparticles
and its structural and magnetic properties” in National seminar on recent advances in functional
materials (RAFM-2015) Yogi Vemana University, Kadapa, during March -15, 2015.
7. Presented an oral entitled “Room temperature ferromagnetism in polyethylene glycol capped
Sn1-xCoxO2 nanoparticles” at International conference on Nanoscience and Engineering
applications (ICONSEA-2014), CNST-IST, JNTU-Hyderabad, during June 26-28, 2014.
6. Presented an oral entitled “Influence of Co doping on structural and optical properties of SnO2
nanoparticles” at International conference on materials and characterization techniques
(ICMCT-2014) VIT University, Vellore, during March 11-12, 2014.
5. Presented a poster entitled “Structural and optical properties Cr and Mn co-doping of SnO2
nanoparticles” in Two day National seminar on The Role of Nanotechnology in the field of
Physical and Bio-sciences, Dept. of Physics, Besant Theosophical college, Madanapalle, A.P,
on Oct-29- 30, 2014.
4. Presented a poster entitled “Effect of Cr doping on structural and optical properties of SnO2
nanoparticles” in One day National Workshop on Advanced Materials Characterization
Techniques (AMCT – 2013), Sri Venkateswara University, Tirupati on Mar. 23, 2013.
3. Presented a poster entitled “structural and optical properties Cr and Cu co-doping of SnO2
nanoparticles” in One day National seminar on Nanomaterials and Nanotechnology (NSNNT-
2013), Dept. of Physics, Govt. Degree & PG college, puttur, A. P, on oct-2, 2013.
2. Participated in Two day state level workshop on Experiments for young engineers and
Scientists-Exp (EYES), organized by Dept of Physics and electronics, P.V.K.N. Govt. Degree
college, Chittoor from Nov 15-16, 2013.
1. Presented an poster entitled “Effect of capping agents on structural and optical properties of ZnS
nanoparticles” at International Conference on Nanomaterials and Biosensors (ICNM-2013) Raghu
Educational institutions, Visakhapatnam, during 11-13th, May 2013.