Aleksandr Sipatov | Experimental methods | Best Researcher Award

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Prof. Aleksandr Sipatov | Experimental methods | Best Researcher Award

Professor at National Technical Univercity “Kharkiv Polytechnic Institute” | Ukraine

Dr. Alexander Yurievich Sipatov is a distinguished Professor in the Metal and Semiconductor Physics Department at the National Technical University “Kharkov Polytechnic Institute” (KPI), Ukraine. Born on March 21, 1957, in Nizhny Novgorod, Russia, Dr. Sipatov has had a long and illustrious career spanning over several decades in the field of semiconductor physics and nanostructures. His work has made notable contributions to the development of quantum effects and the exploration of superconductivity and thermoelectric properties in semiconductor multilayer nanostructures.

👨‍🎓Profile

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Scopus

ORCID

Early Academic Pursuits 🎓

Dr. Sipatov’s academic journey began at the National Technical University “Kharkov Polytechnic Institute” (KPI), where he earned his Engineer-Physicist degree in 1980. He pursued postgraduate studies at KPI, completing his Ph.D. in 1986 and later achieving the title of Doctor of Science in 2007. Between 1995 and 1998, Dr. Sipatov was awarded a Postdoctoral stipend to further hone his expertise and research skills. His academic achievements laid the foundation for a highly successful career in semiconductor physics.

Professional Endeavors 💼

Dr. Sipatov’s professional career at KPI began in 1980 as an Engineer, and his role rapidly evolved over the years. He served as a Junior Researcher from 1983 to 1990, a Researcher from 1990 to 1992, and as a Senior Researcher from 1992 to 1995 and 1998 to 2007. His increasing responsibilities and leadership roles included becoming a Leading Researcher from 2007 to 2012 and the Head of the Technical Cryophysics Department at KPI from 2012 to 2020. Since 2020, he has held the position of Professor at KPI, where he continues to contribute significantly to both teaching and research.

Contributions and Research Focus 🔬

Dr. Sipatov’s research focuses on the growth, structure, and electronic, optic, magnetic, and thermoelectric properties of semiconductor multilayer nanostructures, particularly chalcogenides of elements such as lead (Pb), tin (Sn), bismuth (Bi), europium (Eu), and ytterbium (Yb). His studies have led to several groundbreaking discoveries, including:

  1. Energy Spectrum Quantization in thin films, notably in PbS films and PbS-EuS superlattices, identified by shifts in the photoluminescence edge.
  2. Resonant Tunneling phenomena observed through negative differential resistance in PbS-EuS double barrier tunneling structures.
  3. The discovery of superconductivity in IV-VI superlattices, with Tc values between 3-6 K.

Currently, Dr. Sipatov is investigating the thermoelectric and magnetic properties of semiconductor thin films and nanostructures, which have important applications in energy efficiency and advanced electronics.

Impact and Influence 🌍

Dr. Sipatov’s work has had a profound impact on quantum physics and the field of nanostructures. His findings have broadened the understanding of quantum effects in semiconductors, contributing to advances in quantum technologies and low-temperature physics. Furthermore, his contributions to superconductivity have opened up new avenues for research in quantum computing and energy-efficient technologies. The interdisciplinary nature of his work positions him as a key figure in nanoscience, with direct implications for industries ranging from electronics to energy storage.

Academic Cites 📚

Dr. Sipatov is a highly published researcher with more than 60 publications in peer-reviewed journals, showcasing his dedication to advancing scientific knowledge. His work is indexed in Scopus (ID: 7004596183), highlighting his significant influence and recognition in the scientific community. His research continues to be cited by scholars worldwide, cementing his reputation as a thought leader in semiconductor physics and nanotechnology.

Research Skills 🔧

Dr. Sipatov possesses a broad range of specialized research skills, including:

  • Material Synthesis and Growth of semiconductor multilayer nanostructures.
  • Expertise in quantum effects such as energy spectrum quantization and resonant tunneling.
  • Advanced techniques for studying superconductivity and the magnetic properties of semiconductor materials.
  • Deep understanding of thermoelectric phenomena and their practical applications.

His expertise in low-temperature physics and nanoelectronics places him at the cutting edge of research in these fields.

Teaching Experience 📖

As a Professor at KPI, Dr. Sipatov has dedicated a significant portion of his career to teaching and mentoring the next generation of scientists and engineers. His leadership as the Head of the Technical Cryophysics Department between 2012 and 2020 provided an invaluable platform for the development of young researchers in the field of semiconductor physics. Through his courses and research supervision, Dr. Sipatov has influenced countless students, shaping the future of material science and nanotechnology.

Legacy and Future Contributions 🔮

Dr. Sipatov’s research legacy lies in his innovative contributions to the understanding of quantum effects in semiconductor nanostructures and superconductivity. His work on thermoelectric and magnetic properties holds the potential to revolutionize energy-efficient technologies and next-generation electronics. Moving forward, his future contributions are likely to focus on advanced materials for quantum computing and renewable energy solutions, continuing to drive progress in sustainable technologies and nanoscience.

Publications Top Notes

Interdiffusion in chalcogenide semiconductor superlattice nanostructures

  • Authors: A.Y. Sipatov, L.E. Konotopsky, E. Moroz, V.V. Volobuev
    Journal: Solid State Communications
    Year: 2025

Quantum interference phenomena and electron – electron interaction in topological insulator Bi2Se3 thin polycrystalline films

  • Authors: O.I. Rogachova, O. Pavlosiuk, A.V. Meriuts, K.V. Novak, D. Kaczorowski
    Journal: Thin Solid Films
    Year: 2022

Growth mechanism, structure and thermoelectric properties of thermally evaporated Bi2(Te0.9 Se01)3 thin films

  • Authors: O.I. Rogachova, S. Kryvonohov, A.G. Fedorov, O.N. Nashchekina, K.V. Novak
    Journal: Functional Materials
    Year: 2022

Effect of aging on thermoelectric properties of the Bi2Te3 polycrystals and thin films

  • Authors: O.I. Rogachova, K.V. Novak, A.N. Doroshenko, T.I. Khramova, S.A. Saenko
    Journal: Functional Materials
    Year: 2021

Size effects and thermoelectric properties of Bi0.98Sb0.02 thin films

  • Authors: O.I. Rogachova, K.V. Novak, D.S. Orlova, O.N. Nashchekina, G.V. Lisachuk
    Journal: Journal of Thermoelectricity
    Year: 2020

 

Mohaddeseh Shahabi Nejad | Nanomaterial | Member

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Dr. Mohaddeseh Shahabi Nejad | Nanomaterial | Member

PHD at Shahid Bahonar University of Kerman, Iran

Mohaddeseh Shahabi Nejad, an accomplished researcher and educator, holds a Ph.D. in Organic Chemistry from Shahid Bahonar University of Kerman. With expertise in material preparation and characterization, she has led impactful projects on nanocomposites for environmental remediation. As Head of the Laboratory of Classic Processing Processes at IBKO Company, she conducts chemical analysis and oversees research initiatives. Additionally, Mohaddeseh serves as a dedicated teacher at Shahid Bahonar University and Applied Sciences University of Kerman, imparting knowledge in chemistry and laboratory procedures. Her contributions have earned her numerous accolades, including recognition as a top researcher and Ph.D. student in her field.

Professional Profiles:

Education

Ph.D. in Organic Chemistry Shahid Bahonar University of Kerman [2013 – 2018] Final grade: 18.25/20 Thesis: Synthesis of nanoparticles and ionic liquids immobilized on magnetic supports and their application in organic reactions M.Sc. in Organic Chemistry Isfahan University of Technology [2008 – 2012] Thesis: Synthesis and characterization of modified bentonite & silica supported Au nanoparticles and use them in the solvent-free oxidation of cyclohexene with molecular oxygen B.Sc. in Chemistry Shahid Bahonar University of Kerman [2003 – 2008] HONOURS AND AWARDS Top Researcher with a Skill-Building approach in Kerman Province [2022] The Selected Research for the cover image of Applied Organometallic Chemistry (ISI, IF: 4.105, Q1) [2019] Top Ph.D. Student of Chemistry Department (Organic Chemistry Group) [2018]

Work Experiences

Head of the Laboratory of Classic Processing Processes Research and Processing Center of IBKO Company [2021 – Current] City: Kerman Country: Iran Conduct chemical analysis of minerals and geochemistry samples

HONOURS AND AWARDS

Top Researcher with a Skill-Building approach in Kerman Province [2022] The Selected Research for the cover image of Applied Organometallic Chemistry (ISI, IF: 4.105, Q1) [2019] Top Ph.D. Student of Chemistry Department (Organic Chemistry Group) [2018]

PROFESSIONAL SKILLS

Graphene & Graphene Oxide Carbon Quantum Dots Polymers and Composites Covalent Organic Framework Graphitic Carbon Nitride Biochar Metal & Metal Oxide Nanoparticles Nanocatalyst & Photocatalyst

Research Interests

Mining Analysis, Water Treatment, Carbon-Based Materials, Polymers & Composites, Metal & Metal Oxide Nanoparticles, Catalysis and Photocatalysis.

Research Focus:

Mohaddeseh Shahabi Nejad’s research primarily focuses on the synthesis and application of advanced nanomaterials for environmental remediation and catalysis. Her work encompasses various areas, including the fabrication of nanocomposites for adsorption of antibiotics and heavy metal ions from aqueous solutions, as well as the green synthesis of nanoparticles for organic dye reduction. Additionally, she explores the design and characterization of magnetic nanocatalysts for C-N and C-C cross-coupling reactions, highlighting her expertise in materials science and catalytic chemistry. Through her innovative research, Mohaddeseh contributes significantly to the development of sustainable solutions for environmental challenges and catalytic processes.

Publications

  1. Effect of modified nanocellulose on improving mechanical properties of flowable dental composite resin, Publication: 2024.
  2. Biochar/g-C3N4 nano hetero-structure decorated with pt nanoparticles for diazinon photodegradation and E. coli photodeactivation under visible light, Publication: 2023.
  3. Cellulose-wrapped graphene oxide as efficient adsorbents for pharmaceutical contaminants, Publication: 2023.
  4. Fabrication of covalently linked ruthenium complex onto carbon nitride nanotubes for the photocatalytic degradation of tetracycline antibiotic, Publication: 2022.
  5. Architecture of chitosan chains with sulfur‐doped carbon dots along with decorating CeO2 nanoparticles for the photocatalytic application, Publication: 2022.
  6. Enhanced visible-light photocatalytic activity of ZnS/S-graphene quantum dots reinforced with Ag2S nanoparticles, Publication: 2022.
  7. Oriented growth of copper & nickel-impregnated δ-MnO2 nanofilaments anchored onto sulfur-doped biochar template as hybrid adsorbents for removing phenolic compounds by, Publication: 2022.
  8. Assembly of CuO nanorods onto poly (glycidylmethacrylate)@ polyaniline core–shell microspheres: Photocatalytic degradation of paracetamol, Publication: 2021.
  9. Green synthesis of Ag nanoparticles on the modified graphene oxide using Capparis spinosa fruit extract for catalytic reduction of organic dyes, Publication: 2021.
  10. Adsorption of tetracycline antibiotic from aqueous solutions onto vitamin B6-upgraded biochar derived from date palm leaves, Publication: 2020.
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Badis Kahouadji | Synthesis of nanomaterials

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Dr. Badis Kahouadji: Leading Researcher in Synthesis of nanomaterials

Researcher-Teacher in the Department of Technology at A. Mira University of Bejaia, Algeria.

🎉👨‍🔬🏆 Congratulations, Dr. Badis Kahouadji, on winning the esteemed ”Best Researcher Award” from ScienceFather! 🏅 Your dedication, innovative research, and scholarly contributions have truly made a significant impact in your field. 🌐 Your commitment to advancing knowledge and pushing the boundaries of research is commendable. 🚀 Here’s to your continued success in shaping the future of academia and making invaluable contributions to your field. Well done! 🎊👏

👨‍🎓🔬 Dr. Badis Kahouadji, a distinguished academic and researcher in the field of Experimental Methods, holds the position of Researcher-Teacher in the Department of Technology at A. Mira University of Bejaia, Algeria. 🌍 His academic journey has been marked by a profound dedication to advancing the synthesis of nanomaterials, specifically in the synthesis by sol-gel method. His focus extends to the structural and optic properties study of ortho-phosphates scintillators LnPO4 (Ln = Y, Lu, La, and Gd) doped by trivalent rare earths ions. 🧪💡 Your contributions to the field are truly commendable! 🌟 Keep shining in your pursuit of knowledge and innovation! 👏🎓

Professional Profiles:

Academic studies and diplomas

  • Doctorate Diploma : A.Mira university of Bejaia –Algeria
  • Research Laboratory: Luminescence Laboratory- Laser Department (Nuclear Research Center of Algies -NRCA-)

Scientific Activities and Experience

  • Permanant Reasercher-Teacher at A.Mira university
  • Participation in the national course entitled ‘’ National Training course on the fight against the illicit traffic of the nuclear matters and other radioactive materials ‘’ from March 4th to 07th , 2012 in Algiers (COMMENA)

Peer Reviewer & Academic Engagements

  • Citations: 75 (All), 75 (Since 2018)
  • h-index: 5 (All), 5 (Since 2018)
  • i10-index: 2 (All), 2 (Since 2018)

Publications: 64 documents indexed in Scopus.

Selective Publications (JOURNALS)

  • International publication: www.waset.org/Publication/9997875 Structural and Optical Properties Of Ce3+doped YPO4 : Nanophosphors Synthesis by Sol Gel Method’’ , B. Kahouadji, L. Guerbous, L. Lamiri, A. Mendoud ,International Journal of mathematical, Computational, Physical and Quantum, Engineering, Vol 8,N° 4,2014.
  • International publication: www.jyotiacademicpress.org/jyotic/journalview/28/abstract/34/60/155 THERMAL ANNEALING AND SUBSTRATE NATURE EFFECTS ON STRUCTURAL PROPERTIES, MORPHOLOGICAL AND PHOTOLUMINESCENCE OF PLANAR THIN FILM PHOSPHORS DEPOSED BY SOL-GEL METHOD , Author(s) : L. Guerbous, A. Boukerika, M. Taibeche, A. Sari, Y. Larbah, M. Seraiche, M. S. E. Hamroun, S. Saadi, L. Lamiri and B. Kahouadji Pages : [149] – [182] Received : December 24, 2016; Revised January 13, 2017
  • International publication:
    Badis Kahouadji , Lamine Mebarki , Lyes Benharrat , Jai Prakash , Hendrik C. Swart ,
    Abdelhalim Zoukel , Salim Ouhenia , Lamiri Lyes , Lakhdar Guerbous , Dirk Poelman ,
    Flexible and luminescent polymer nanocomposite films (YPO4:Pr3+/ polystyrene):
    Investigation of structural, morphological and photoluminescence properties for solid-state
    lighting applications, Optical Materials 143 (2023) 114251,
    doi.org/10.1016/j.optmat.2023.114251.
  • International publication:
    Lyes Lamiri , Badis Kahouadji , Mourad Berd , Abdelmoumen Abdellatif, Lotfi Benchallal ,
    Lakhdar Guerbous , Salim Ouhenia , Abdelhafid Souici , Leila Amiour , Abdelhalim Zoukel ,
    Madani Samah , Structural, morphological and photoluminescence characterizations of
    Sm3þ doped Y2O3 nano-sized phosphors synthesized by ultrasound assisted sol-gel method,
    Journal of Rare Earths,https://doi.org/10.1016/j.jre.2022.03.006.
  • International publication:
    Density Functional Theory Study of Gold Doped Armchair Graphene
    Nanoribbons with Vacancies.
    L. Benchallal , S. Haffad , F. Boubenider , L. Lamiri, H. Zitoune , B. Kahouadji ,
    M. Samah, Journal of Computational and Theoretical Nanoscience 15(5):1484-1489.
  • International publication:
    Effect of Vacancies on Electronic and Magnetic Properties of Hydrogen Passivated
    Graphene Nanoribbons.
    S. Haffad , L. Benchallal , F. Boubenider , L. Lamiri, H. Zitoune , B. Kahouadji , M. Samah,
    ACTA PHYSICA POLONICA A,5(2018)133.
  • International publication:
    Optical Materials Annealing effect on the photoluminescence properties of Ce 3+ doped
    YPO4 nanophosphors.
    B. Kahouadjia, L. Guerbousb, Dragana J. Jovanović, Miroslav D. Dramićanin, M. Samaha,L.
    Lamiria, L. Benchallala, Milena Marinović Cincović, Optical Materials 91 (2019) 35–41.
  • International publication:
    B. Kahouadjia, L. Guerbousb, Dragana J. Jovanović, Miroslav D. Dramićanin,A.H.Souici,
    Photoluminescence properties of nano-sized (Lu1-xYx)PO4:Pr3+ (x=10, 20, 30, 40, 50 at. %)
    phosphor powders, Optical Materials 109 (2020) 110252.
  • International publication:
    Mourad Berd, Kamal Moussi, Youcef Aouabdia, Lotfi Benchallal, Ghiles Chahi, Badis
    Kahouadji, From metallic to semiconductor conversion of single –walled carbon nanotubes
    by chlorination, Chemical Physics Letters, Volume 781, 16 October 2021, 138988
  • International publication:
    Badis Kahouadji, Lakhdar Guerbous, Dragana J. Jovanović, Miroslav D Dramicanin,
    Temperature dependence of red emission in YPO4:Pr3+ nanopowders, Journal of
    Luminescence, Volume 241, January 2022, 118499.