Research Experience
Specialization : Materials Chemistry
Research Interest : Colossal Magneto Resistive Materials, Calcium Phosphate based biomaterials,
Energy Related Materials, Magnetoelectric Materials
Research Publications / Presentations in Conferences/Symposia/Seminar: 70
Journals and Proceeding papers: 34 Presentations in Conferences/Symposia/Seminar : 36
In Journals & Conference Proceedings:
34. Saiqua Siddiqui, Divyanshu Singh, Priyanka Singh and Brajendra Singh
“Structural, optical, microstructure and giant dielectric behavior of parent, Cu and Sr doped La0.55Li0.35TiO3-δ”
Journal of the American Ceramic Society 106 (11), 6732 - 6742, 2023 Impact Factor : 4.18
https://doi.org/10.1111/jace.19296
https://drive.google.com/file/d/1E0IaQuQN0CuiWIgOA_IHC5DaoqC2NtVj/view?usp=drive_link
33. Brajendra Singh, Priyanka Singh, Saiqua Siddiqui, Divyanshu Singh and Mukul Gupta
“Wastewater treatment using Fe doped perovskite manganites by photocatalytic degradation of methyl orange, crystal violet and indigo carmine dyes in tungsten bulb / sun light”
Journal of Rare Earths 41, 1311-1322, 2023 Impact Factor : 4.63
https://doi.org/10.1016/j.jre.2022.09.010
https://drive.google.com/file/d/1xcBkCiyNbDHLg9CkeGkhedOqX2pnGKab/view?usp=drive_link
32. Brajendra Singh, Priyanka Singh, Divyanshu Singh, Mukul Gupta
Proceedings of the theme meeting on spectroscopy using Indus synchrotron radiation, 54, PP-21, 2023
https://inis.iaea.org/search/search.aspx?orig_q=RN:54066027
31 . Priyanka Singh, Brajendra Singh and Mukul Gupta
“Fe+3-Mn+4 and Ti+4 - Mn+3 interactions effect on the structural, electronic, magnetic and magnetoelectronic properties of perovskite manganites”
Ceramics International 48, 4074, 2022 Impact Factor : 5.53
https://doi.org/10.1016/j.ceramint.2021.10.197
https://drive.google.com/file/d/1uD2jDe4F8Z5BSd_E-bTQGUQpmbZeFJ_y/view?usp=drive_link
30. Priyanka Singh, Brajendra Singh and Mukul Gupta
“Chemical disorder induced positive magnetoimpedance in La0.7Pb0.3Mn0.35Fe0.65O3-d and La0.7Pb0.3Mn0.3Fe0.7O3-d manganites”
The European Physical Journal Applied Physics 93, 30601, 2021 Impact Factor : 1.16
https://drive.google.com/file/d/1AkYfgBVgxovSuYptdol6X5F3-PweWrD0/view?usp=drive_link
29. Brajendra Singh , Priyanka Singh, Saiqua Siddiqui, Parasmani Rajput and Mukul Gupta
“Effect of acetone and methanol environment on the electrical properties of Fe doped hydroxyapatite”
International Journal of Ceramic Engineering & Science 3, 120-127, 2021 Cite Score (Scopus) : 3.0
https://drive.google.com/file/d/10Bufkzpmox5ywQKtAnhof_L0aKuucwIP/view?usp=drive_link
(Scopus Indexed _American Ceramic Society published Journal)
28. Brajendra Singh, Priyanka Singh and Mukul Gupta
“Raman and X-ray absorption spectroscopy investigations on the structure and Ru-Mn valence states in Li2Mn0.9Ru0.1O3”
Journal of Applied Spectroscopy 88 (4), 863-869, 2021 Impact Factor : 0.81
https://drive.google.com/file/d/1wnqnPdNEu4UreDOyPHOZiQNrpX2TMnnn/view?usp=drive_link
27. Priyanka Singh and Brajendra Singh
“Structural and photocatalytic dye degradation properties of Li2Mn0.95Ru0.05O3”
Materials Today: Proceedings 43(5), 3173-3176, 2021 Cite Score : 3.2
https://drive.google.com/file/d/1gbPrEpi0fkQSSOCDYsBJ0FUamtQYCw9q/view?usp=drive_link
26. Saiqua Siddiqui, Priyanka Singh and Brajendra Singh
“Li Ion Conduction Studies in Zr Doped Titanate Perovskite Oxides”
Journal of International Academy of Physical Sciences 25, 373 – 385, 2021
25. Brajendra Singh and Priyanka Singh
“Ru doping effect on the structural, electronic, transport, optical and dye degradation properties of layered Li2MnO3”
Springer Nature Applied Sciences 2, 506, 2020 Impact Factor : 2.26
24. Brajendra Singh, Shilpee Nishad and Saiqua Siddiqui
“Ionic conductivity studies of La0.55Li0.40ZrO3-d and Zr doped La0.55Li0.40TiO3-d”
Orissa Journal of Physics 27, 15, 2020
23. Brajendra Singh, Aditya Tandon, Priyanka Singh and Anand K. Pandey
“Electronic and magnetic field dependent dielectric properties of Zn0.95Fe0.05O”
Journal of Electronic Materials, 47, 7224, 2018 Impact Factor : 2.04
22. Brajendra Singh, Aditya Tandon, Anand K. Pandey and Priyanka Singh
“Enhanced dielectric constant and structural transformation in Fe-doped hydroxyapatite synthesized by wet chemical method”
Journal of Materials Science, 53, 8807, 2018 Impact Factor : 4.68
21. Brajendra Singh
“Ru4+ induced colossal magnetoimpedance in Ru doped perovskite manganite at room temperature”
Physical Chemistry Chemical Physics 18, 12947, 2016 Impact Factor : 3.94
20. Brajendra Singh
" ChemInform Abstract : Structural, transport, magnetic and magnetoelectric properties of CaMn1-xFexO3-δ (0.0 ≤ x ≤ 0.4)"
ChemInform 46 (30), 2015
19. Brajendra Singh
"Room temperature large positive and negative magnetocapacitance in CaMn0.95Fe0.05O3-δ”
Materials Letters, 156, 76, 2015 Impact Factor : 3.57
18. Brajendra Singh
"Structural, transport, magnetic and magnetoelectric properties of CaMn1-xFexO3-δ (0.0 ≤ x ≤ 0.4)"
RSC Advances, 5, 39938-45, 2015 Impact Factor : 4.03
17. Brajendra Singh, Samayendra Kumar, Naresh Saha, Bikramjit Basu and Rajeev Gupta
"Phase stability of Silver particles embedded Calcium Phosphate Bioceramics"
Bulletin of Materials Science 38, 1, 2015 Impact Factor : 1.87
16. Brajendra Singh, Samayendra Kumar, Bikramjit Basu and Rajeev Gupta
“Conductivity Studies of Silve, Potassium, and Magnesium Doped Hydroxyapatite”
Int. J. Appl. Ceram. Technol. 12, 319, 2015 Impact Factor : 2.32
15. Brajendra Singh, Samayendra Kumar, Bikramjit Basu and Rajeev Gupta
Enhanced ionic conduction in Hydroxyapatites”
Materials Letters 95, 100, 2013 Impact Factor : 3.57
14. Brajendra Singh and S.S. Manoharan
“Structural transformation and magnetic properties of CaMn1-xFexO3-d (0.0 ≤ x ≤ 0.5)”
Materials Letters 65, 2029, 2011 Impact Factor : 3.57
13. Brajendra Singh, S. Sundar Manoharan, S. H. Lim and L. G. Salamanca-Riba
“Magnetoresistance studies and optimization of deposition parameters of pulsed electron deposited La0.6Pb0.4Mn0.8Ru0.2O3 thin films”
The European Physical Journal: Applied Physics 55, 20301, 2011 Impact Factor : 1.16
12. Brajendra Singh, Ashutosh Kumar Dubey, Samayendra Kumar, Naresh Saha, Bikramjit Basu and Rajeev Gupta
“In vitro biocompatibility and antimicrobial activity of wet chemically prepared Ca10-xAgx(PO4)6(OH)2 (0.0 £ x £ 0.5) hydroxyapatites”
Materials Science & Engineering: C 31, 1320, 2011 Impact Factor : 8.47
11. Brajendra Singh, Samayendra Kumar, Bikramjit Basu and Rajeev Gupta
“Impedance spectroscopy and structural studies on silver doped hydroxyapatite”
Mater. Res. Soc. Symp. Proc. Volume 1239, Warrendale, PA, VV07 – 18, 2010
10. M.V.V. Reddy, S. Sundar Manoharan, Jimmy John, Brajendra Singh, G.V. Subba Rao and M.V.R. Chaudari
“Synthesis, characterization and electrochemical cycling behavior of the Ru doped spinel, Li [Mn2-xRux]O4 (x = 0.0, 0.1 and 0.25)"
Journal of the Electrochemical Society, 156, A652, 2009 Impact Factor : 4.37
9. S. Sundar Manoharan, Brajendra Singh, Vimlesh Chandra, A. Zimmer, S-H. Lim and L. G. Salamanca-Riba,
“Magnetoresistive behavior in hole doped La1-xPbxMn0.8Ru0.2O3 (0.2 £ x £ 0.4) epitaxial thin films”
Journal of Applied Physics 103, 07F709, 2008 Impact Factor : 2.87
8. S. Sundar Manoharan, Brajendra Singh, Ranjan K. Sahu, A. Zimmer, S-H. Lim and L. G. Salamanca-Riba, V. Chandra
“Effect of Ru-Mn redox interactions on the hole carrier density in Pulsed Electron deposited La1-xPbxMn0.8Ru0.2O3 (0.2 £ x £ 0.4) thin films”
Journal of Physics Condensed Matter 20, 235205, 2008 Impact Factor : 2.74
7. S. Sundar Manoharan and Brajendra Singh,
“Evidence for mixed valence states of Mn and Ru in LiMn2-xRuxO4 using X-ray Photoelectron spectroscopy”
Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry 38, 148, 2008
6. S. Sundar Manoharan, Brajendra Singh and Ranjan K. Sahu,
“Powder neutron diffraction evidence for enhanced inter plane magnetic coupling in La1.2Sr1.8Mn2-xRuxO7 layered manganites”
Journal of Applied Physics 101, 09G516, 2007 Impact Factor : 2.87
5. Brajendra Singh, S. Sundar Manoharan, R. K. Sahu, P.S.R. Krishnan, A.B. Shinde and Karishma Jain,
“Low temperature Neutron diffraction studies showing evidence for Charge Exchange -type magnetic ordering in Mn doped SrRuO3”
Journal of Applied Physics 101, 09G518, 2007 Impact Factor : 2.87
4. V. Siriguri, J. Gutierrez, J. M. Barandiaran, P. Lazpita, Brajendra Singh, Ranjan K. Sahu, S. Sundar Manoharan, P. Henry, C. Mondelli,
“Neutron diffraction evidence for double exchange coupling in Ru – substituted, La0.6Pb0.4Mn1-xRuxO3, 0 £ x £ 0.5”
Physica B 385, 408, 2006 Impact Factor : 2.98
3. S. Sundar Manoharan, Brajendra Singh, Judith Driscoll, William Branford, Lesley Cohen, and Astrid Besmehn,
“Magnetism and electronic transport in Sr4- xLa xRu2- xMnxO9: Interplay of Mn and Ru redox chemistry”
Journal of Applied Physics 97, 10A304, 2005 Impact Factor : 2.87
2. Brajendra Singh, Ranjan Kumar Sahu, S. Sundar Manoharan, K. Dörr and K.H. Müller,
“Magnetic pair making and breaking effect of Ru in, La0.7Sr0.3Mn0.9Ru0.1O3 and La0.5Sr0.5Co0.9Ru0.1O3”
Journal of Magnetism and Magnetic Material 273, 358, 2004 Impact Factor : 3.09
1. Brajendra Singh, S. Sundar Manoharan, Manju Lata Rao and S. P. Pai,
“Long range ferromagnetic ordering in Pulsed Laser Deposited La0.7Ca0.3Mn1-xRuxO3 thin films”
Physical Chemistry Chemical Physics 6, 4199, 2004 Impact Factor : 3.94
Presentations in Conferences/Symposia/Seminar:
36. Saiqua Siddiqui, Divyanshu Singh and Brajendra Singh “Increased lithium ionic conductivity with Nb and Ta doping in Garnet structured solid electrolyte oxides” The 34 Annual General Meeting of MRSI and 5thIndian Materials Conclave from December12 - 15, 2023 organized by School of materials Science and Technology, IIT BHU, Varanasi
35. Saiqua Siddiqui, Divyanshu Singh and Brajendra Singh “Lithium ion conductivity studies of Ca doped NASICON and GARNET structured materials” International Conference on Materials for Sustainable Energy Environment & Health (ICMSEEH – 23), Decemebr 8th and 9th 2023 organized at Pandit Deendayal Energy University, Gandhinagar, Gujrat
34. Brajendra Singh “Studies of mixed valence states of Mn (Mn+3/Mn+4) in Ti and Fe substituted perovskite manganites and their effects on magnetocapacitance and dye degradation” International Conference on Materials for Sustainable Energy Environment & Health (ICMSEEH – 23), Decemebr 8th and 9th 2023 organized at Pandit Deendayal Energy University, Gandhinagar, Gujrat
33. Saiqua Siddiqui, Brajendra Singh “Li ion conductivity properties of Garnet structured Niobate and Tantalate oxides” Meghnad Saha Memorial International Conference on Frontiers of Physics (MsMicFP-2023) November 22 – 24, 2023, Organized by Department of Physics, University of Allahabad.
32. Brajendra Singh, Priyanka Singh, Saiqua Siddiqui and Mukul Gupta “Magnetic field enable efficient separation process for Fe doped perovskite manganites from water and its photocatalytic degradation properties” Meghnad Saha Memorial International Conference on Frontiers of Physics (MsMicFP-2023) November 22 – 24, 2023, Organized by Department of Physics, University of Allahabad.
31. Brajendra Singh, Priyanka Singh, Saiqua Siddiqui and Mukul Gupta “Magnetocapacitance properties of heterostructured MnO2/La0.7Pb0.3MnO3/MnO2 manganite systems” Meghnad Saha Memorial International Conference on Frontiers of Physics (MsMicFP-2023) November 22 – 24, 2023, Organized by Department of Physics, University of Allahabad.
30. Saiqua Siddiqui and Brajendra Singh “Enhanced ionic conductivity at higher frequency with Ti doping in NASICON composition Li0.7Sr0.3Zr0.5Ti1.5(PO4)3” International Conference on Materials for Energy & Sustainable Development, MESD 2023, October 27-29, 2023 organized at JNU-Conventional Centre.
29. Brajendra Singh, Priyanka Singh, Divyanshu Singh and Mukul Gupta “Tuning the ratio of Mn (Mn+3/Mn+4) valence states using Ti and Fe substitution in perovskite manganites and their effects on magnetocapacitance and dye degradation” Theme meeting “Spectroscopy Using Indus Synchrotron Radiation (SISR)-2023” from 24/03/2023 to 25/03/2023 at Raja Ramanna Centre for Advanced Technology (RRCAT), Indore
28. Brajendra Singh “Synthesis of Silver particle embedded nano hydroxyapatite for biomedical applications” 27th International Conference of the IAPS (CONIAPS-XXVII) on Hydrogen Energy and Nano Materials (October 26-28, 2021) in Department of Physics, Banaras Hindu University, Varanasi - 221005
27. Priyanka Singh and Brajendra Singh “Huge room temperature negative magneto capacitance in La0.7Pb0.3Mn0.4Fe0.6O3-ẟ and positive magneto capacitance in La0.7Pb0.3Mn0.4Ti0.6O3-ẟ” International conference “INTERMAG 2021” April 26 to 30, 2021 in Lyon, France organised and supported by IEEE magnetic society conference executive committee
26. Priyanka Singh, Saiqua Siddiqui and Brajendra Singh “Effect of ammonia environment on electrical properties of Fe doped La0.7Pb0.3MnO3 perovskite manganites” International E-Conference on Multifunctional Materials and Environment (E-ICMME-21) February 01-02, 2021 Organized by University department of chemistry, L. N. Mithila University, Darbhanga, Bihar
25. Saiqua Siddiqui, Priyanka Singh, Brajendra Singh “Enhanced ionic conductivity of Cu and Sr doped Li0.55La0.45TiO3 at room temperature” International E-Conference on Multifunctional Materials and Environment (E-ICMME-21) February 01-02, 2021 Organized by University department of chemistry, L. N. Mithila University, Darbhanga, Bihar
24. Priyanka Singh, Brajendra Singh “Structural and dye degradation properties of Li2Mn0.95Ru0.05O3” International Conference on “Cutting-edge Research in Material Science and Chemistry (CRMSC-2021)” January 11-12, 2021 Organized by Department of Chemistry, Manipal University, Jaipur, Rajasthan
23. Saiqua Siddiqui, Priyanka Singh, Brajendra Singh “Li ion conduction studies in Zr doped titanate perovskite oxides” 26th International Conference of International Academy of Physical Sciences (CONIAPS XXVI) on “Advances in Applied Physics & Earth Sciences” December18-20, 2020 organized by Manipal University Jaipur, Rajasthan
22. Priyanka Singh and Brajendra Singh “Room temperature magneto impedance in La0.7Pb0.3Mn1-xTixO3 0.4 ≤ x ≥0.6” “Workshop and National seminar on Experimental Techniques for Materials Characterization (NSETMC 2020)”, February 06-07, 2020 organized by Centre of Material Sciences, University of Allahabad and supported by National Science and Academy (NASI), Allahabad
21. Brajendra Singh and Priyanka Singh “Transformed room temperature sensing ability of hydroxyapatite ceramic with 1% Fe substitution” “Workshop and National seminar on Experimental Techniques for Materials Characterization (NSETMC 2020), February 06-07, 2020 organized by Centre of Material Sciences, University of Allahabad and supported by National Science and Academy (NASI), Allahabad
20. Brajendra Singh and Saiqua Siddiqui “High temperature Li ion conduction in Sr doped titanate perovskite oxide” “Workshop and National seminar on Experimental Techniques for Materials Characterization (NSETMC 2020), February 06-07, 2020 organized by Centre of Material Sciences, University of Allahabad and supported by National Science and Academy (NASI), Allahabad
19. Brajendra Singh and Aditya Tandon “Evidence of structural reorganization and change in dielectric constant by Fe doping at Ca site in hydroxyapatite” One Day National Seminar On New Materials & Applications (NSNMA -18) organized by Materials Research Society of India-Allahabad Chapter, University of Allahabad, Prayagraj-211002 from October 13, 2018
18. Priyanka Singh and Brajendra Singh “Study of valence state of Fe in Zn0.95Fe0.05O by X-ray absorption spectroscopy” One Day National Seminar On New Materials & Applications (NSNMA -18), organized by Materials Research Society of India-Allahabad Chapter, University of Allahabad, Prayagraj-211002 from October 13, 2018
17. Brajendra Singh and Shilpee Nishad “Li ion conduction in self-doped zirconate perovskite oxide” 2nd Meghnad Saha Memorial International Symposium-cum-Workshop on Laser Induced Breakdown Spectroscopy, (MMISLIBS-II 2018) organized by Department of Physics, University of Allahabad from 19 to 21 February, 2018
16. Brajendra Singh “Magnetoimpedance in pulsed laser deposited thin film of perovskite manganite” 2nd Meghnad Saha Memorial International Symposium-cum-Workshop on
Laser Induced Breakdown Spectroscopy, (MMISLIBS-II 2018) organized by Department of Physics, University of Allahabad from 19 to 21 February, 2018
15. Aditya Tandon, Supriya Tiwari, Brajendra Singh “Infrared spectroscopy revealed structural changes in doped Hydroxyapatite and Tri calcium Phosphate” International Conference on Emerging Materials and Applications” organized by Department of Physics, University of Allahabad from 20 to 22 February 2017
14. Brajendra Singh “Nano scale interaction of Mn+3 – Mn+4/Ru+4 induced CE type magnetic ordering in SrMn0.5Ru0.5O3 Perovskite” International Conference on Emerging Materials and Applications” organized by Department of physics, University of Allahabad from 20 to 22 February 2017
13. Brajendra Singh, Bikramjit Basu, Rajeev Gupta “Cellular viability and physical property studies of doped hydroxyapatite and tricalcium phosphate” International Conference on Emerging Materials and Applications” organized by Department of physics, University of Allahabad from 20 to 22 February 2017
12. Brajendra Singh “Magnetocapacitance studies of CaMn0.95Fe0.05O3-d” Indo-Polish seminar on Advanced Material” organized by Centre of Materials Sciences, University of Allahabad, Allahabad from
11. Brajendra Singh “AC conductivity properties of single and multi valence ions doped Hydroxyapatites” 18th International Conference of International Academy of Physical Sciences (CONIAPS XVIII) on Recent trends in physical sciences” organized by Faculty of Science, University of Allahabad, Allahabad-211002, from 22 to 24 December 2015.
10. Brajendra Singh “Evidence of Mn+3 valence state induced CE type magnetic ordering in SrMn0.5Ru0.5O3 Perovskite” 18th International Conference of International Academy of Physical Sciences (CONIAPS XVIII) on Recent trends in physical sciences” organized by Faculty of Science, University of Allahabad, Allahabad-211002, from 22 to 24 December 2015.
9. Brajendra Singh, “Structural studies of CaMn1-xFexO3-d (0 ≤ x ≤ 0.5)” 17th National Symposium in Chemistry (NSC-17) organised by Chemical Research Society of India from 6th February to 8th February 2015 in National Chemical Laboratory (NCL), Pune, Maharastra, INDIA.
8. Brajendra Singh, Samayendra Kumar, Bikramjit Basu, Rajeev Gupta “Structural, absorption and transport properties of silver particles embedded tricalcium phosphate” 17th National Symposium in Chemistry (NSC-17) organised by CHEMICAL RESEARCH SOCIETY OF INDIA from 6th February to 8th February 2015 in National Chemical Laboratory (NCL), Pune, Maharastra, INDIA.
7. Brajendra Singh, “Redox interactions effect of Manganese and Ruthenium mixed valences” International conference on Advanced Materials and Applications (ICAMA-2014) organized by Centre of Material Sciences University of Allahabad at conference hall of National Science and academy, Allahabad from 24 March to 26 March 2014.
6. Brajendra Singh, Samayendra Kumar, Bikramjit Basu, Rajeev Gupta “Silver embedded Calcium Phosphates for Solid State Ionics Applications” “6th Asian Conference on Electrochemical Power Sources (ACEPS-6)” organized jointly by CSIR-CECRI, Karaikudi and IISC Bangalore from 5th to 8th January 2012 at Hotel Green Park, Chennai, Tamil Nadu, INDIA.
5. Brajendra Singh, “Raman Spectroscopic studies of Ru substituted Li2MnO3” “6th Asian Conference on Electrochemical Power Sources (ACEPS-6)” organized jointly by CSIR-CECRI, Karaikudi and IISC Bangalore from 5th to 8th January 2012 at Hotel Green Park, Chennai, Tamil Nadu, INDIA.
4. Brajendra Singh, “Structural transformation and magnetic properties of CaMn1-xFexO3-d (0 ≤ x ≤ 0.5” “4th AONSA Neutron Scattering School" organized by the Asia-Oceania Neutron Scattering Association - AONSA from November 12 to 17, 2011 at Australian Nuclear Science and Technology Organization - ANSTO, Sydney, Australia.
3. Brajendra Singh and S. Sundar Manoharan “X-ray diffraction and surface studies of LiMn2-xRuxO4 ( x=0, 0.1 and 0.25)” Australian X-ray Analytical Association organized “2011 Workshops, Conference and Exhibition (AXAA-2011) February 6 - 11, 2011, Sydney, Australia.
2. Brajendra Singh and S. Sundar Manoharan “CE type antiferromagnetic ordering in SrRu0.5Mn0.5O3”Australian X-ray Analytical Association organized “2011 Workshops, Conference and Exhibition (AXAA-2011) February 6 - 11, 2011, Sydney, Australia.
1. Brajendra Singh, Samayendra Kumar, Bikramjit Basu and Rajeev Gupta “X-ray diffraction evidence of structural transformation of Hydroxyapatite into Tricalcium Phosphate”Australian X-ray Analytical Association organized “2011 Workshops, Conference and Exhibition (AXAA-2011) February 6 - 11, 2011, Sydney, Australia.