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Experienced chemist proficient in synthesizing complex oxide materials, utilizing both conventional and innovative techniques, while adept at elucidating their structural complexity. Demonstrated expertise in understanding structure-composition-property relationships to precisely control functional properties. With over 20 international publications in the realm of perovskite-based functional materials, specializing in structure-property correlations, particularly interested in compositional tuning and site-selective substitution in perovskites and layered perovskites. Proficient in managing unconventional synthetic methods, such as chemical engineering of layered structures via metal ion exchange, and exfoliating natural perovskite layers into 2D nanosheets. Possessing a comprehensive skill set in materials characterization, including structural analysis techniques such as X-ray diffraction and neutron powder diffraction, Raman spectroscopy, and elemental analysis methods like X-ray photoelectron spectroscopy (XPS). Additionally experienced in surface analysis techniques such as scanning electron microscopy (SEM) and atomic force microscopy (AFM), as well as thermal analysis methods like thermogravimetric analysis (TGA). Proficient in characterizing materials properties, including magnetic, resistivity, and heat capacity measurements. Engaged in beamtime activities at the Solid State Physics Experimental Hall of ISOLDE-CERN, conducting radioactive isotope implantation and perturbed angular correlation experiments. Skilled in operating equipment such as the Rigaku SmartLab X-Ray Diffractometer, Renishaw Qontor Confocal Raman Microscope, QD-SQUID-MPMS3, and QD-PPMS. Capable of handling and liquefying liquid helium and nitrogen, with experience in Quantum Design's Advanced Technology Liquefier. Actively involved in preparing and executing project proposals and beamtime proposals, as well as serving as a co-supervisor for PhD and Masters students. Additionally, experienced as a co-instructor for the Advanced Materials Laboratory (Masters Course).
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Identificação

Identificação pessoal

Nome completo
Neenu Lekshmi Prasannan

Nomes de citação

  • Prasannan, Neenu
  • P N Lekshmi
  • P Neenu Lekshmi
  • Neenu Lekshmi Prasannan
  • N. Lekshmi

Identificadores de autor

Ciência ID
DC13-8EA3-E906
ORCID iD
0000-0002-7552-8534
Google Scholar ID
https://scholar.google.co.in/citations?user=0Wlns_oAAAAJ&hl=en
Researcher Id
N-8838-2013

Endereços de correio eletrónico

  • neenulekshmi@fc.up.pt (Profissional)
  • neenu.lekshmi.prasannan@cern.ch (Profissional)
  • neenulekshmi@gmail.com (Pessoal)

Telefones

Telemóvel
  • 936349558 (Pessoal)

Moradas

  • IFIMUP, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Porto, Portugal (Profissional)

Domínios de atuação

  • Ciências Exatas - Química - Química Inorgânica
  • Ciências Exatas - Física - Física da Matéria Condensada
  • Ciências da Engenharia e Tecnologias - Nanotecnologia - Nanomateriais

Idiomas

Idioma Conversação Leitura Escrita Compreensão Peer-review
Inglês Utilizador proficiente (C1) Utilizador proficiente (C2) Utilizador proficiente (C1) Utilizador proficiente (C2) Utilizador proficiente (C1)
Português Utilizador elementar (A1) Utilizador elementar (A1) Utilizador elementar (A1) Utilizador elementar (A1)
Malaiala (Idioma materno)
Hindi Utilizador independente (B2) Utilizador proficiente (C1) Utilizador independente (B1) Utilizador proficiente (C1)
Formação
Grau Classificação
2009/08/01 - 2015/12/14
Concluído
 Doctor of Philosophy in Science (Doctor of Philosophy)
Especialização em Chemistry
University of Kerala Department of Chemistry, Índia

National Institute for Interdisciplinary Science and Technology CSIR Chemical Sciences and Technology, Índia
"MAGNETIC, DIELECTRIC AND SPIN-PHONON INTERACTIONS IN SOME RE2NiMnO6 (RE=RARE EARTH) DOUBLE PEROVSKITES" (TESE/DISSERTAÇÃO)
2004/06/05 - 2006/06/30
Concluído
 Master of Science (Master)
Especialização em Chemistry
University of Kerala Department of Chemistry, Índia
2001/06/05 - 2004/03/31
Concluído
 Bachelor in Science (Bachelor)
Especialização em Chemistry
University of Kerala, Índia
Percurso profissional

Ciência

Categoria Profissional
Instituição de acolhimento 		Empregador
2021/10 - Atual Investigador visitante (Investigação) European Organization for Nuclear Research, Suiça
European Organization for Nuclear Research, Suiça
2020/02/20 - Atual Pós-doutorado (Investigação) Universidade do Porto Faculdade de Ciências, Portugal
Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2017/01/04 - 2019/08/03 Pós-doutorado (Investigação) Indian Institute of Technology Madras, Índia
2007/06/30 - 2015/12/14 Investigador (Investigação) Council of Scientific and Industrial Research Human Resource Development Group, Índia
National Institute for Interdisciplinary Science and Technology CSIR, Índia
Projetos

Bolsa

Designação Financiadores
2017/08/04 - 2019/08/03 Lithium-ion Battery Cycling for Chemistry-Controlled Magnetic Switching in Manganite Spinels
PDF/2017/001826
Investigador responsável
Indian Institute of Technology Madras Department of Physics, Índia
 Science and Engineering Research Board
Concluído

Projeto

Designação Financiadores
2021/01/01 - 2025/12/31 Laboratory of Physics for Materials and Emergent Technologies
LA/P/0095/2020
10.54499/LA/P/0095/2020
Centro de Física das Universidades do Minho e do Porto, Portugal

Universidade do Minho, Portugal

Universidade do Porto Faculdade de Ciências, Portugal

Universidade de Lisboa Centro de Fisíca e Engenharia de Materiais Avançados, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
Fundação para a Ciência e a Tecnologia
Em curso
2023/01/01 - 2024/12/31 Investigação em Materiais com Isótopos e Técnicas Nucleares Radioativas no ISOLDE-CERN 2021
CERN/FIS-TEC/0003/2021
10.54499/CERN/FIS-TEC/0003/2021
Universidade de Aveiro CICECO, Portugal

Universidade do Porto Faculdade de Ciências, Portugal

Universidade de Trás-os-Montes e Alto Douro, Portugal

Universidade de Aveiro, Portugal

Universidade de Trás-os-Montes e Alto Douro Centro de Química Vila Real, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal

Universidade de Lisboa Centro de Ciências e Tecnologias Nucleares, Portugal
Fundação para a Ciência e a Tecnologia
Em curso
2020/02/20 - 2022/08/09 Functional network instabilities in naturally structured perovskites
POCI-01-0145-FEDER-029454
Investigador Pós-doutorado
Universidade do Porto Faculdade de Ciências, Portugal

Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
Concluído
2018/07/01 - 2020/12/31 PORTUGAL AT ISOLDE : Materials and Nuclear Physics Research with Radioactive Isotopes and Techniques
CERN/FIS-PAR/0005/2017
Universidade do Porto Faculdade de Ciências, Portugal

Universidade de Trás-os-Montes e Alto Douro, Portugal

Laboratório de Instrumentação e Física Experimental de Partículas Pólo de Coimbra, Portugal

Universidade de Aveiro, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

Universidade de Lisboa Centro de Ciências e Tecnologias Nucleares, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2017/01/04 - 2017/08/03 Mimicking the GMR multilayer structure with novel Double layer brownmillerite systems A3BB/GaO8: Structure, magnetic and magneto-transport studies
EMR/2014/000592
Investigador Pós-doutorado
Indian Institute of Technology Madras, Índia
Concluído
2008/07 - 2009/06 Development of a molecular aggregation model for the co-precipitation synthesis of Ba(Mg1/3Ta2/3)O3 dielectric ceramic nano particles. Involved in the experimental synthesis and characterisation of dielectric ceramics
GAP 402639 (DST)
Bolseiro de Mestrado
National Institute for Interdisciplinary Science and Technology CSIR, Índia
Concluído
Produções

Publicações

Artigo em conferência
  1. Kurian, Mahima M.; Neenu Lekshmi Prasannan; Santhosh, P. N.. "Structure, Magnetism and Electrical Transport of Electron Doped SrCo0.5Nb0.5O3". 2023.
    10.1109/intermag50591.2023.10265025
Artigo em revista
  1. Oliveira, João; Silva, Bruna M.; Rebelo, Tiago; Rodrigues, Pedro V.; Baptista, Rosa M. F.; Rodrigues, Manuel J. L. F.; Belsley, Michael; et al. Autor correspondente: Almeida, Bernardo G.. "Structural, Magnetic, and Dielectric Properties of Laser-Ablated CoFe2O4/BaTiO3 Bilayers Deposited over Highly Doped Si(100)". Materials 17 23 (2024): 5707. http://dx.doi.org/10.3390/ma17235707.
    10.3390/ma17235707
  2. Barbosa, M. C. B.; da Silva, E. Lora; Neenu Lekshmi Prasannan; Marcondes, M. L.; Assali, L. V. C.; Petrilli, H. M.; Lopes, A. M. L.; Araújo, J. P.. "Pressure-Induced Phase Transformations of Quasi-2D Sr3Hf2O7". The Journal of Physical Chemistry C 127 31 (2023): 15435-15442. http://dx.doi.org/10.1021/acs.jpcc.3c01596.
    10.1021/acs.jpcc.3c01596
  3. Silva, B.M.; Oliveira, J.; Rebelo, T.; Isfahani, V.B.; Rocha-Rodrigues, P.; Neenu Lekshmi Prasannan; Belo, J.H.; et al. "Synthesis, structural and dielectric properties of Ca3Mn2O7 thin films prepared by pulsed laser deposition". Materials Research Bulletin 158 (2023): 112066. http://dx.doi.org/10.1016/j.materresbull.2022.112066.
    Publicado • 10.1016/j.materresbull.2022.112066
  4. Das, Ranjana R.; Neenu Lekshmi, P.; Bera, A.K.; Yusuf, S.M.; Chatterji, Tapan; Santhosh, P.N.. "Magnetic rare-earth ion mediated 4f-3d interlayer coupling and giant exchange bias in single layered Ruddlesden-Popper perovskites SrLnCo0.5Mn0.5O4 (Ln = Pr, Nd)". Journal of Alloys and Compounds 910 (2022): 164798. http://dx.doi.org/10.1016/j.jallcom.2022.164798.
    Publicado • 10.1016/j.jallcom.2022.164798
  5. Das, Ranjana R.; P Neenu Lekshmi; Santhosh, P.N.. Autor correspondente: Santhosh, P.N.. "Strong spin-phonon coupling and large dielectric constant observed in quasi-two-dimensional layered perovskite SrLaCo0.5Mn0.5O4". Journal of Alloys and Compounds 874 (2021): 159736. http://dx.doi.org/10.1016/j.jallcom.2021.159736.
    10.1016/j.jallcom.2021.159736
  6. Aswathi, Kaipamangalath; P Neenu Lekshmi; Valant, Matjaz; Mihelj, Mojca Vrcon; Varma, Manoj R.. Autor correspondente: Varma, Manoj R.. "Exotic magnetic behavior with intrinsic and extrinsic magnetodielectric effects in Pr2CuMnO6". Journal of Alloys and Compounds 867 (2021): 159123. http://dx.doi.org/10.1016/j.jallcom.2021.159123.
    10.1016/j.jallcom.2021.159123
  7. da Silva, Estelina Lora; Gerami, Adeleh Mokhles; Lekshmi, P. Neenu; Marcondes, Michel L.; Assali, Lucy V. C.; Petrilli, Helena M.; Correia, Joao Guilherme; Lopes, Armandina M. L.; Araújo, João P.. "Group Theory Analysis to Study Phase Transitions of Quasi-2D Sr3Hf2O7". Nanomaterials 11 4 (2021): 897. http://dx.doi.org/10.3390/nano11040897.
    10.3390/nano11040897
  8. V. K., Anusree; Das, Ranjana R.; Neenu Lekshmi, P.; Dhal, Ramchandra; Colin, Claire V.; Santhosh, P. N.. "Giant exchange bias effect in Ruddlesden-Popper oxides SrLaFe0.25+xMn0.25Co0.5-xO4 ( x=0,0.25 ): Role of the cluster glass magnetic phase in a quasi-two-dimensional perovskite". Physical Review B 102 13 (2020): http://dx.doi.org/10.1103/physrevb.102.134405.
    10.1103/physrevb.102.134405
  9. Dhal, Ramchandra; Neenu Lekshmi, P.; Das, Amitabh; Chatterji, Tapan; Sinha, Anil K.; Santhosh, P.N.. "Synthesis, structure and magnetic properties of a novel double layered brownmillerite Ca2LaFe1.75Cr0.25GaO8". Materials Research Bulletin 129 (2020): 110847. http://dx.doi.org/10.1016/j.materresbull.2020.110847.
    10.1016/j.materresbull.2020.110847
  10. Anusree, V. K.; Neenu Lekshmi, P.; Bhat, Shwetha G.; Wagh, Aditya A.; Das, Gangadhar; Santhosh, P. N.. "Dielectric relaxation, magneto-dielectric coupling, and pyrocurrent anomaly in point defect controlled HoCrO3". Journal of Applied Physics 127 19 (2020): 194105. http://dx.doi.org/10.1063/1.5144227.
    10.1063/1.5144227
  11. Chandran, Karthika; Prakash, Pulkit; Neenu Lekshmi, P.; Das, Amitabh; Santhosh, P.N.. "Near room temperature spin reorientation and temperature evolution of magnetic structure in Mn substituted HoFeO3". Journal of Magnetism and Magnetic Materials 500 (2020): 166415. http://dx.doi.org/10.1016/j.jmmm.2020.166415.
    10.1016/j.jmmm.2020.166415
  12. Prasannan, Neenu. "High temperature spin reorientation, magnetization reversal and magnetocaloric effect in 50% Mn substituted polycrystalline ErFeO3". Journal of Solid State Chemistry (2019): http://dx.doi.org/10.1016/j.jssc.2019.120910.
    10.1016/j.jssc.2019.120910
  13. Prasannan, Neenu. "Superparamagnetic clusters at room temperature, anomalous magnetic coercivity and spin-flop transition in novel dilute antiferromagnetic nanoparticles of La2Fe0.875Cr0.125GaO6". Journal of Magnetism and Magnetic Materials (2019): http://dx.doi.org/10.1016/j.jmmm.2019.02.060.
    10.1016/j.jmmm.2019.02.060
  14. Prasannan, Neenu. "Large positive and negative magnetodielectric coupling in Fe half-doped LaMnO3". Journal of Magnetism and Magnetic Materials (2019): http://dx.doi.org/10.1016/j.jmmm.2018.10.121.
    10.1016/j.jmmm.2018.10.121
  15. Prasannan, Neenu. "Competing short-range magnetic correlations, metamagnetic behavior and spin-phonon coupling in Nd2CoMnO6 double perovskite". Journal of Alloys and Compounds (2019): http://dx.doi.org/10.1016/j.jallcom.2018.09.171.
    10.1016/j.jallcom.2018.09.171
  16. Prasannan, Neenu. "A Griffiths-like phase and variable range hopping of polarons in orthorhombic perovskite Pr2CrMnO6". New Journal of Chemistry (2019): http://dx.doi.org/10.1039/c9nj04059e.
    10.1039/c9nj04059e
  17. Dhal, Ramchandra; Lekshmi, P. Neenu; Singh, Ripandeep; Das, A.; Sinha, A. K.; Santhosh, P. N.. "Crystal and magnetic structure of novel Brownmillerite, Ca2Fe0.875Cr0.125GaO5: An approach towards natural GMR layers in bulk metal oxides". Journal of Solid State Chemistry 265 (2018): 417-423. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000441485200055&KeyUID=WOS:000441485200055.
    10.1016/j.jssc.2018.06.013
  18. Das, Ranjana R.; Lekshmi, P. Neenu; Santhosh, P. N.. "Exchange bias and spin-phonon coupling in complex glassy layered perovskite SrLaMn0.5Ni0.5O4". Aip Advances 8 10 (2018): http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000448957900064&KeyUID=WOS:000448957900064.
    10.1063/1.5043037
  19. Palakkal, Jasnamol Pezhumkattil; Lekshmi, P. Neenu; Thomas, Senoy; Valant, Matjaz; Suresh, K. G.; Varma, Manoj Raama. "Polarons induced electronic transport, dielectric relaxation and magnetodielectric coupling in spin frustrated Ba2FeWO6". Materials Research Bulletin 76 (2016): 161-168. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000374195700023&KeyUID=WOS:000374195700023.
    10.1016/j.materresbull.2015.12.013
  20. Prasannan, Neenu. "Colossal Magneto-Dielectricity in La2NiMnO6 Probed by Raman Spectroscopy". Materials Science Forum (2015): http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.513.
    10.4028/www.scientific.net/msf.830-831.513
  21. Palakkal, Jasnamol Pezhumkattil; Lekshmi, P. Neenu; Thomas, Senoy; Suresh, K. G.; Varma, Manoj Raama. "Observation of high-temperature magnetic transition and existence of ferromagnetic short-range correlations above transition in double perovskite La2FeMnO6". Rsc Advances 5 128 (2015): 105531-105536. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000366965200004&KeyUID=WOS:000366965200004.
    10.1039/c5ra24092a
  22. Lekshmi, P. Neenu; Vasundhara, M.; Varma, Manoj Raama; Suresh, K. G.; Valant, M.. "Structural, magnetic and dielectric properties of rare earth based double perovskites RE2NiMnO6 (RE, La, pr, Sm, Tb)". Physica B-Condensed Matter 448 (2014): 285-289. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000339655000070&KeyUID=WOS:000339655000070.
    10.1016/j.physb.2014.04.057
  23. Lekshmi, P. Neenu; Raji, G. R.; Vasundhara, M.; Varma, Manoj Raama; Pillai, S. Savitha; Valant, M.. "Re-entrant spin glass behaviour and magneto-dielectric effect in insulating Sm2NiMnO6 double perovskite". Journal of Materials Chemistry C 1 40 (2013): 6565-6574. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324940000010&KeyUID=WOS:000324940000010.
    10.1039/c3tc31203h
  24. Lekshmi, Neenu; Pillai, S. Savitha; Suresh, K. G.; Santhosh, P. N.; Varma, Manoj Raama. "Room temperature relaxor ferroelectricity and spin glass behavior in Sr2FeTiO6 double perovskite". Journal of Alloys and Compounds 522 (2012): 90-95. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000300952200017&KeyUID=WOS:000300952200017.
    10.1016/j.jallcom.2012.01.091
Capítulo de livro
  1. Varma, Manoj Raama; Reshmi C P; P Neenu Lekshmi. Autor correspondente: Varma, Manoj Raama. "Sinterability and Dielectric Properties of ZnNb2O6 - Glass Ceramic Composites". In Advances in Ceramics - Synthesis and Characterization, Processing and Specific Applications, editado por Costas Sikalidis. Croácia: InTech, 2011.
    Publicado
Poster em conferência
  1. Cesário, António; Rocha-Rodrigues, Pedro; Moreira, R. P.; Prasannan, Neenu; Silva de Sousa, Pedro; J.G. Correia; E. Lora da Silva; et al. "Local Probing of Structural Phase Transitions in Naturally Layered Perovskite Oxides". Trabalho apresentado em ISOLDE Workshop and Users Meeting 2023, 2023.
  2. Silva de Sousa, Pedro; Cesário, António; Assali, L.V.C.; Rocha-Rodrigues, Pedro; E. Lora da Silva; Prasannan, Neenu; J.G. Correia; et al. "Ab-initio Study on CsNdNb2 O7 and CsLaNb2 O7 Dion-Jacobson Perovskites". Trabalho apresentado em ISOLDE Workshop and Users Meeting 2023, 2023.
  3. Cesário, António; Silva de Sousa, Pedro; Prasannan, Neenu; E. Lora da Silva; Rocha-Rodrigues, Pedro; Correia, João; Araújo, João; Armandina Maria Lima Lopes. "Combined Local Probe and Raman Study of Ca3(Mn,Ti)2O7 Perovskites". Trabalho apresentado em FÍSICA 2022 - 23a Conferência Nacional de Física e 32º Encontro Ibérico para o Ensino da Física, 2022.
  4. Silva de Sousa, Pedro; Cesário, António; Prasannan, Neenu; Silva, Estelina; Rocha-Rodrigues, Pedro; Correia, João; Araújo, João; Armandina Maria Lima Lopes. "Local probe studies and combined ab-initio calculations in CsNdNb2O7". Trabalho apresentado em FÍSICA 2022 - 23a Conferência Nacional de Física e 32º Encontro Ibérico para o Ensino da Física, 2022.
Atividades

Apresentação oral de trabalho

Título da apresentação Nome do evento
Anfitrião (Local do evento)
2024/10/01 Electron doped double-layered perovskite manganite Ca2.8Nd0.2Mn2O7: Crystal structure, magnetism and local probing Nationaler Ionenstrahlworkshop / National Ion Beam Workshop
University of Duisburg-Essen (Duisburg, Alemanha)
2024/09/03 Layered oxide-based perovskites without inversion symmetry: possibility towards photoferroic applications CMD31-General Conference of the Condensed Matter Division of the European Physical Society
(Braga, Portugal)
2022/09/12 Electron doping effects on hybrid improper multiferroic bilayer manganite Ca3-xNdxMn2O7 Magnetism in Portugal 2022
University of Porto (Porto, Portugal)
2022/07/29 Evolution of structural and magnetic properties in electron-doped Ruddlesden Popper based bilayer manganite Ca2-xNdxMn2O7 Joint European Magnetic Symposia (JEMS)
Institute of Physics of the Polish Academy of Sciences, University of Warsaw (Warsaw, Polónia)
2022/07/28 Impact of electron doping on the magnetic and transport properties of hybrid improper ferroelectric Ca3Mn2O7 ANM 2022
University of Aveiro (Aveiro, Portugal)
2021/12/10 Structural modulation in perovskites and hybrid improper ferroelectricity Recent Advances in the Physics of Materials (RAPM-2021)
CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) (Trivandrum, Índia)
2020/06/01 Solid State Chemistry : Materials Research Virtual International Webinar on Smart Topics in Chemistry
Government Arts College, Trichy (Trichy, Índia)
2019/08/19 X-Ray powder diffraction refinement training: GSAS and Fullprof 3-day workshop on X-Ray powder diffraction refinement: AcSIR students and Skill Development Course trainees
CSIR-NIIST, Trivandrum (Trivandrum, Índia)
2019/06/13 Crystallographic and magnetic structures of anion-deficient layered perovskites Ca2Fe0.875Cr0.125GaO5 and Ca2LaFe1.75Cr0.25GaO8: A step towards natural GMR layer International Conference on Advanced Materials
(Índia)
2015/09/13 Training Session: Rietveld Refinement National Workshop on Rietveld Refinement
Srinivasa Ramanujan Institute for Basic Science (SRIBS) (Kottayam, Índia)
2014/01/28 RARE-EARTH INDUCED MAGNETIC FRUSTRATIONS IN MULTIFUNCTIONAL RE2NiMnO6 [RE=Sm, Tb] DOUBLE PEROVSKITES (Paper has been selected for the Best Paper Award Contest) 26th Kerala Science Congress 2014
Government pf Kerala (Wayanad, Índia)
2013/07/10 Obsrvation of magneto-dielectric coupling in insulationg re-entyrant spin glass Sm2NiMnO6 (Contributing Lecture) National Conference on Recent Trends in Materials Science and Technology
Indian Institute of Space Science and Technology (Trivandrum, Índia)

Orientação

Título / Tema
Papel desempenhado 		Curso (Tipo)
Instituição / Organização
2023/09 - Atual Structural modulation in Dion-Jacobson oxides for Solar Energy Utilization: From bulk 3D layered perovskites to 2D nanosheets
Coorientador de Pedro Alexandre Sousa
Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2022/08 - 2022/09 Impact of different A-site ion on the structure and functionality of Ca2.8A0.2Mn2O7 (A= Ca, Cd, La, Gd, Y): Synthesis and Structure-property correlation
Orientador de Andre da Costa Miranda
 Research Initiation Scholarship (Outra)
Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2018/01 - 2018/04 Synthesis and characterisation of disordered double perovskites, Sr2BNbO6 (B = Co, Mn, Fe)
Coorientador de Veena P V
Indian Institute of Technology Madras, Índia
2015/05 - 2015/08 SYNTHESIS AND CHARACTERIZATION OF MAGNETIC NANOPARTICLES THROUGH POLYOL PROCESS
Coorientador de ABHISHA V S
 Chemistry (Mestrado)
National Institute for Interdisciplinary Science and Technology CSIR, Índia
2013/03 - 2013/08 SYNTHESIS, STRUCTURAL AND ELECTRICALTRANSPORT PROPERTIES OF SOME RARE EARTH BASED DOUBLE PEROVSKITE OXIDES, RE2NiMnO6
Coorientador de B. R. JOTHY JISHA
 Physics (Mestrado)
National Institute for Interdisciplinary Science and Technology CSIR, Índia
2013/03 - 2013/08 Synthesis and Characterisation of Pr substituted La2-xPrxNiMnO6 and Sr doped La2-xSrxNiMnO6 Double Perovskite Oxides
Coorientador de Subin Raj
 Physics (Mestrado)
National Institute for Interdisciplinary Science and Technology CSIR, Índia

Organização de evento

Nome do evento
Tipo de evento (Tipo de participação) 		Instituição / Organização
2014/02/19 - 2014/02/21 Participated as a Student Volunteer in the organising committee. (2014/02/19 - 2014/02/21)
Conferência (Membro da Comissão Organizadora)
 National Institute for Interdisciplinary Science and Technology CSIR, Índia

Participação em evento

Descrição da atividade
Tipo de evento 		Nome do evento
Instituição / Organização
2021/09/23 - 2021/09/24 Online poster presentation: Metal ion exchange mediated structural modulation in layered perovskites: Step towards next-generation energy-efficient materials
Oficina (workshop)
 First workshop of LaPMET-Laboratory of Physics for Materials and Emergent Technologies
Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2018/12/09 - 2018/12/13 Presented work as a poster.
Conferência
 International Conference on Magnetic Materials and Applications Magma (ICMAGMA 2018)
National Institute of Science Education and Research, Índia
2015/05/13 - 2015/05/15 Presented a paper as poster which was finally selected for publication in the Materials Science Forum 830, 513-517 (2015)
Conferência
 International Conference on Advanced Materials and Manufacturing Processes for Strategic Sector (ICAMPS 2015)
Indian Institute of Metals, Índia
2015/04/23 - 2015/04/25 Presented a paper as a Poster.
Conferência
 International Conference on Science, Technology and Application of Rare Earth (ICSTAR 2015)
Rare Earth Association of India (REAI), Índia
2014/02/19 - 2014/02/21 Presented a paper as poster.
Conferência
 International Conference on Advanced Functional Materials 2014
National Institute for Interdisciplinary Science and Technology CSIR, Índia
2013/12/05 - 2013/12/07 Presented a paper titled "Structural, magnetic and dielectric properties of rare earth based double perovskites RE2NiMnO6 (RE= La, pr, Sm, Tb)" which was finally selected for publication in Elsevier publishing Journal, Physica B: Condensed Matter: P. Neenu Lekshmi et al., 448, (2014) 285-289.
Conferência
 International Conference on Magnetic Materials and Applications Magma 2013
Indian Institute of Technology Guwahati, Índia
2013/11/29 - 2013/11/30 Participated and Received Certificate of Completion
Outro
 ACS on Campus Event
National Institute for Interdisciplinary Science and Technology CSIR, Índia
2010/12/07 - 2010/12/09 Participated and presented work as a Poster.
Conferência
 International Conference on Multifunctional Materials
Banaras Hindu University, Índia
2009/12/13 - 2009/12/17 Presented a paper as a poster.
Conferência
 International Conference on Electroceramics
University of Delhi, Índia

Curso / Disciplina lecionado

Disciplina Curso (Tipo) Instituição / Organização
2024/10 - 2024/12 Técnicas Laboratoriais Avançadas Assisted the Semester 1 Ciências da Natureza e suas Tecnologias Lab (Masters) as Co-Instructor Ciências da natureza e suas tecnologias : Técnicas Laboratoriais Avançadas (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2024/10 - 2024/12 Laboratório Avançado I Assisted the Semester 1 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2024/10 - 2024/10 Técnicas Laboratoriais Avançadas I Assisted the Semester 1 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2024/03 - 2024/06 Técnicas Laboratoriais Avançadas II Assisted the Semester 2 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas II (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2024/03 - 2024/06 Laboratório Avançado II Assisted the Semester 2 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado II (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2023/10 - 2023/12 Técnicas Laboratoriais Avançadas Assisted the Semester 1 Ciências da Natureza e suas Tecnologias Lab (Masters) as Co-Instructor Ciências da natureza e suas tecnologias: Técnicas Laboratoriais Avançadas (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2023/10 - 2023/12 Laboratório Avançado I Assisted the Semester 1 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2023/10 - 2023/12 Técnicas Laboratoriais Avançadas I Assisted the Semester 1 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2023/03 - 2023/06 Laboratório Avançado II Assisted the Semester 2 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado II (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2023/03 - 2023/06 Técnicas Laboratoriais Avançadas II Assisted the Semester 2 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas II (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2022/10 - 2022/12 Laboratório Avançado I Assisted the Semester 1 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2022/10 - 2022/12 Técnicas Laboratoriais Avançadas I Assisted the Semester 1 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas I (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2022/10 - 2022/12 Técnicas Laboratoriais Avançadas Assisted the Semester 1 Ciências da Natureza e suas Tecnologias Lab (Masters) as Co-Instructor Ciências da Natureza e suas Tecnologias: Técnicas Laboratoriais Avançadas (Mestrado) Universidade do Porto Instituto de Física de Materiais Avançados Nanotecnologia e Fotónica, Portugal
2022/03 - 2022/06 Técnicas Laboratoriais Avançadas II Assisted the Semester 2 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas II (Mestrado) Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2022/03 - 2022/06 Laboratório Avançado II Assisted the Semester 2 Física Lab (Masters) as Co-Instructor Física: Laboratório Avançado II (Mestrado) Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2021/10 - 2021/12 Laboratório Avançado I Assisted the Semester 1 Física Lab (Masters) as Co-Instructor Physics: Laboratório Avançado I (Mestrado) Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2021/10 - 2021/12 Técnicas Laboratoriais Avançadas Assisted the Semester 1 Ciências da Natureza e suas Tecnologias Lab (Masters) as Co-Instructor Ciências da Natureza e suas Tecnologias: Técnicas Laboratoriais Avançadas (Mestrado) Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2021/10 - 2021/12 Técnicas Laboratoriais Avançadas I Assisted the Semester 1 Engenharia Física Lab (Masters) as Co-Instructor Engenharia Física: Técnicas Laboratoriais Avançadas I (Mestrado) Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal

Expedição científica

Descrição da atividade Instituição / Organização
2021/12 - Atual Hands-on Experience: Magnetometry-Quantum Design-SQUID-MPMS3 Thermal and heat capacity- Quantum Design PPMS Handling cryogenic liquids (nitrogen and helium) Quantum Design's Advanced Technology Liquefier Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2021/10 - Atual Experience in Radioactive isotope implantation and carrying out Perturbed Angular Correlation (PAC) experiments at CERN – ISOLDE laboratory European Organization for Nuclear Research, Suiça
2021 - Atual Collaboration with Professor John Evans to study the phase transitions in materials using X-ray diffraction as a function of temperature Durham University, Reino Unido
2021 - Atual Collaboration with Antonio F Moreira Dos Santos, lead instrument scientist at Spallation Neutron Source, US: For Neutron diffraction experiments Oak Ridge National Laboratory Neutron Sciences Directorate, Estados Unidos
2020/03 - Atual Hands on Experience Rigaku SmartLab X-Ray Diffractometer Renishaw Qontor Confocal Raman Microscope Universidade do Porto Instituto de Física dos Materiais-Instituto de Nanociência e Nanotecnologia, Portugal
2023/01 - 2023/01 Principal Investigator: ORNL Neutron Sciences Beam Time Award: Mail-In on BL-11A POWGEN: IPTS-31237.1- “Impact of electron doping on crystal and magnetic structure of bilayer manganite Ca2.8A0.2Mn2O7 (A= La, Na): A neutron diffraction study” Oak Ridge National Laboratory, Estados Unidos
2023/01 - 2023/01 Team Member: User Beam Time: Mail-In on BL-11A POWGEN, ORNL: IPTS-31249.1- “Neutron diffraction study to probe structural distortions in the RP bilayer Ca3-xAxMn2O7 (A=Nd, Sr) and DJ triple-layer RbCa2Nb3O10” Oak Ridge National Laboratory, Estados Unidos
2022/06/04 - 2022/06/07 ORNL Neutron Sciences Beam Time Award: Team member Proposal #: IPTS-28492.1 Title: Probing lattice instabilities and structural phase transition using neutron diffraction on selected Dion Jacobson based ferroelectric oxides Days Awarded: Up to 3 days Instrument: BL-11A POWGEN Oak Ridge National Laboratory Neutron Sciences Directorate, Estados Unidos
2021/07 - 2022/01/06 Participation in SMARTX Project: SMART materials transitions probed by X-ray diffraction: The Bilateral Research Fund was created in 2020 to support the establishment and development of research links between universities and research institutes in the UK and Portugal Durham University Department of Chemistry, Reino Unido
2021/10/07 - 2021/10/19 Participation in 111mCd beam time to carry out Perturbed Angular Correlation experiments, within the aims of approved IS670 and IS647 research proposals for the study of Perovskites. European Organization for Nuclear Research, Suiça
2017/01 - 2019/12 Hand on experience: Panalytical X-ray diffractometer Indian Institute of Technology Madras, Índia
2014/07 - 2015/12 Hand on experience: Panalytical X-ray diffractometer and VSM attached Physical Property measurement system from Quantum Design
2013/03 - 2015/12 Collaboration with Prof. Matjaz Valant for Magneto-dielectric measurement Univerza v Novi Gorici, Eslovénia
2010/01 - 2014/06 Collaboration with Prof. K. G. Suresh for magnetic measurement Indian Institute of Technology Bombay, Índia
2014/02/03 - 2014/02/12 Using the measurement facilities as part of PhD work: 1. Raman spectra 2. SQUID MPMS 3. XPS University Grants Commission Department of Atomic Energy Consortium for Scientific Research, Índia

Membro de associação

Nome da associação Tipo de participação
2021/10/09 - 2024/12/31 European Organization for Nuclear Research (CERN): Experimental physics laboratory at Isotope mass Separator On-Line facility (ISOLDE) Visiting Researcher

Outro júri / avaliação

Descrição da atividade Instituição / Organização
2024/10/13 - Atual Member of the examination board for the PhD Thesis pre-submission seminar of Nicole Pereira de Lima Thesis title: Synthesis, characterization and analysis of hyperfine interactions of multiferroic rare earth manganites - HoMnO3 Universidade de São Paulo, Brasil

Revisão ad hoc de artigos em revista

Nome da revista (ISSN) Editora
2024 - Atual Journal of Electronic Materials (1543-186X) Springer
2020/01 - Atual Journal of Applied physics AIP-American institute of Physics
2018/08 - Atual Journal of Alloys and Compounds Elsevier

Tutoria

Tópico Nome do aluno
2024 - Atual Engineering Physics: Master Thesis work Jose Miguel Almeida Pereira
2024 - Atual Engineering Physics: Master Thesis work Lucas Felgueiras de Almeida
2024 - Atual PhD Thesis António Cesário
2021 - Atual PhD Thesis Ricardo Manuel Alves Pacheco Moreira
2023 - 2024 Engineering Physics: Master Thesis work Andre Miranda
2021/09 - 2022/12 Physics: Master Thesis work António Duarte Neves Cesário
2021/09 - 2022/12 Physics: Master Thesis work Pedro Alexandre Silva de Sousa
2022/08 - 2022/08 An approach towards understanding the phase and shapecontrolled growth of 2D van der Waals heterostructures by Chemical Vapor Deposition Ricardo Brandão
2021/07/07 - 2021/12/20 Materials Laboratory: Master's degree in Nanomaterials science and technology as part of the EMJMD SERP+ (Erasmus Mundus Joint Master Degree) Diego Alejandro Garzón Castellanos
2021/07/09 - 2021/07/31 Materials Laboratory: Master's degree in Nanomaterials science and technology as part of the EMJMD SERP+ (Erasmus Mundus Joint Master Degree) Jianan Qian
2021/07/09 - 2021/07/31 Materials Laboratory: Master's degree in Nanomaterials science and technology as part of the EMJMD SERP+ (Erasmus Mundus Joint Master Degree) Teodor Jianu
2017/01 - 2020/08 PhD Thesis Anusree V K
2017/01 - 2019/12 PhD Thesis RAMCHANDRA DHAL
2017/01 - 2019/04 PhD Thesis Ranjana Rani Das
2017 - 2019 PhD Thesis KARTHIKA C
2014 - 2017 PhD Thesis Jasnamol Pezhumkattil Palakkal
Distinções

Prémio

2017 National Postdoctoral Fellowship
Department of Science and Technology, Índia
2009 Junior Research Fellowship
Council of Scientific and Industrial Research Human Resource Development Group, Índia