プロフィール詳細

プロジェクトを作成

★★★★★

☆☆☆☆☆

★★★★★

☆☆☆☆☆

SK Y.に依頼

India

Hire Dr. S. K.

プロフィール概要

Preparation of oxide material and their composites with different synthesis methods, SQUID (superconducting quantum interference device), VSM (vibrating-sample magnetometer), Vector Network Analyzer (E5071C), Impedance Analyzer, (N4L NumetriQ, PSM1735), Electrometer (Keithley, 6517B), Function Generator (Scientific, SM 5070), X-Ray Diffraction (Rigaku, TTRAX III), Ferro-electric Loop (PE) tracer (Radiant Technologies Inc., 609B), Field Emission Scanning Electron Microscopy and Energy Dispersive X-ray Spectroscopy ((Hitachi S-4800)), Close Cyclic He Refrigerator(CCR), Temperature Controller (Lakeshore, 332), Lab-View, Matlab. I have published 32 international peer review journals.

専門分野

• ☆ Materials Science & Engineering
• ☆ Analytical Chemistry
• ☆ Spectroscopy
• ☆ Nanotechnology
• ☆ Microscopy
• ☆ Electron Microscopy
• ☆ Semiconductors
• ☆ Computational Physics
• ☆ Applied Physics
• ☆ X-Ray Technology

サービス

• Research

Research Scientific and Technical Research

職務経験

Research Assistant/Teaching Assistant

BRA BU

1月 2019 - 現在

学歴

PhD (Physics)

IIT Patna

12月 2013 - 現在

認定資格

• 認定資格の詳細は未入力です。

出版物

JOURNAL ARTICLE

Kumar, S., Kar, M.(2022). Magnetic phase diagram of BHF-NZFO composite at room temperature . Ceramics International. 48. (20). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 30574-30581.

Alka Singh, Kumar Mukesh Ranjan, Sunil Kumar(2021). Electrical transport mechanism of aluminum substituted barium hexaferrite magnetic semiconductor . Journal of Materials Science: Materials in Electronics. 32. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 4110--4124. Springer Science and Business Media {LLC}

Singh, A., Ranjan, K.M., Kumar, S.(2021). Electrical transport mechanism of aluminum substituted barium hexaferrite magnetic semiconductor . Journal of Materials Science: Materials in Electronics. 32. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 4110-4124.

Kumar, N., Singh, R.K., Kumar, S., Kumar, P.(2021). Tuning in optical, magnetic and Curie temperature behaviour of nickel ferrite by substitution of monovalent K⁺¹ ion of Ni_0·8K_0·2Fe₂O₄ nanomaterials for multifunctional applications . Physica B: Condensed Matter. 606.

Kumar, S., Guha, S., Supriya, S., Pradhan, L.K., Kar, M.(2020). Correlation between crystal structure parameters with magnetic and dielectric parameters of Cu-doped barium hexaferrite . Journal of Magnetism and Magnetic Materials. 499.

Guha, S., Kumar, R., Kumar, S., Pradhan, L.K., Pandey, R., Kar, M.(2020). Crystal structure and magnetic properties study on ferromagnet Fe₂MnSi_0.75Al_0.25 Heusler alloy . Physica B: Condensed Matter. 579.

Kumar, S., Supriya, S., Pradhan, L.K., Pandey, R., Kar, M.(2020). Grain size effect on magnetic and dielectric properties of barium hexaferrite (BHF) . Physica B: Condensed Matter. 579.

Manglam, M.K., Kumari, S., Pradhan, L.K., Kumar, S., Kar, M.(2020). Lattice strain caused magnetism and magnetocrystalline anisotropy in Zn modified barium hexaferrite . Physica B: Condensed Matter. 588.

Kumar, S., Kumar Pradhan, L., Kumar Manglam, M., Kar, M.(2020). Magnetic interaction between BHF (BaFe₁₂O₁₉) and BTO (BaTiO₃) in BTO – BHF nanocomposite . Journal of Magnetism and Magnetic Materials. 498.

Kumar, S., Laha, R., Kar, M.(2020). Raman Characterization of polycrystalline barium hexaferrite nanoparticles: SERS of nanoparticles in powder form . Physica B: Condensed Matter. 579.

Pandey, R., Kumar Pradhan, L., Kumari, S., Kumar Manglam, M., Kumar, S., Kar, M.(2020). Surface magnetic interactions between Bi_0.85La_0.15FeO₃ and BaFe₁₂O₁₉ nanomaterials in (1-x)Bi_0.85La_0.15FeO₃-(x)BaFe₁₂O₁₉ nanocomposites . Journal of Magnetism and Magnetic Materials. 508.

Pandey, R., Pradhan, L.K., Kumar, S., Supriya, S., Singh, R.K., Kar, M.(2019). Correlation between lattice strain and physical (magnetic, dielectric, and magnetodielectric) properties of perovskite-spinel (Bi_0.85La_0.15FeO₃)_(1-x)-(NiFe₂O₄)_(x) composites . Journal of Applied Physics. 125. (24).

Pradhan, L.K., Pandey, R., Kumar, S., Kumari, S., Kar, M.(2019). Evidence of compositional fluctuation induced relaxor antiferroelectric to antiferroelectric ordering in Bi _0.5 Na _0.5 TiO ₃ –Bi _0.5 K _0.5 TiO ₃ based lead free ferroelectric . Journal of Materials Science: Materials in Electronics. 30. (10). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 9547-9557.

Kumar, S., Kumar Manglam, M., Supriya, S., Kumar Satyapal, H., Kumar Singh, R., Kar, M.(2019). Lattice strain mediated dielectric and magnetic properties in La doped barium hexaferrite . Journal of Magnetism and Magnetic Materials. 473. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 312-319.

Guha, S., Kumar, S., Datta, S., Manglam, M.K., Kar, M.(2019). Metal to semimetal transition and magnetic critical behavior at room temperature in the full Heusler alloy Fe₂MnSi . Journal of Physics D: Applied Physics. 52. (50).

Pradhan, L.K., Pandey, R., Kumar, S., Kar, M.(2019). Role of tricritical triple point type morphotropic phase boundary (multiple crystalline phases) on energy storage density in Bi_0.5Na_0.5TiO₃ based solid solution . Materials Research Express. 6. (9).

Supriya, S., Kumar, S., Kar, M.(2019). Structural and Electrical Properties of CFO Nanoparticle- Filled PVA . Journal of Electronic Materials.

Singh, R.K., Kumar, S., Aman, A.K., Karim, S.M., Kumar, S., Kar, M.(2019). Study on physical properties of Ayurvedic nanocrystalline Tamra Bhasma by employing modern scientific tools . Journal of Ayurveda and Integrative Medicine. 10. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 88-93.

Pandey, R., Pradhan, L.K., Kumar, S., Kar, M.(2018). Crystal structure, magnetic and dielectric properties of (1-x) BiFe_0.80Ti_0.20O₃ – (x)Co_0.5Ni_0.5Fe₂O₄ multiferroic composites . Journal of Alloys and Compounds. 762. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 668-677.

Kumar, S., Supriya, S., Pandey, R., Pradhan, L.K., Singh, R.K., Kar, M.(2018). Effect of lattice strain on structural and magnetic properties of Ca substituted barium hexaferrite . Journal of Magnetism and Magnetic Materials. 458. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 30-38.

Kumar, S., Supriya, S., Kar, M.(2018). Enhancement of dielectric constant in polymer-ceramic nanocomposite for flexible electronics and energy storage applications . Composites Science and Technology. 157. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 48-56.

Supriya, S., Kumar, S., Pradhan, L.K., Pandey, R., Kar, M.(2018). Multiple electrical phase transitions in nanocrystalline aluminium-substituted cobalt ferrite . International Journal of Modern Physics B. 32. (32).

Pradhan, L.K., Pandey, R., Kumar, S., Supriya, S., Kar, M.(2018). Octahedral distortion due to oxygen vacancy reduction in La³⁺ modified BNT-BTO solid solutions near morphotropic phase boundary . Journal of Physics D: Applied Physics. 51. (37).

Kumar, S., Supriya, S., Kar, M.(2018). PVDF, Barium Hexaferrites, and rGO Nanocomposite for High Energy Density Capacitor . IEEE Transactions on Nanotechnology. 17. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1129-1132.

Kumar, S., Supriya, S., Kar, M.(2017). Correlation between temperature dependent dielectric and DC resistivity of Cr substituted barium hexaferrite . Materials Research Express. 4. (12).

Kumar, S., Supriya, S., Pradhan, L.K., Kar, M.(2017). Effect of microstructure on electrical properties of Li and Cr substituted nickel oxide . Journal of Materials Science: Materials in Electronics. 28. (22). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 16679-16688.

Supriya, S., Kumar, S., Kar, M.(2017). Electrical Properties and Dipole Relaxation Behavior of Zinc-Substituted Cobalt Ferrite . Journal of Electronic Materials. 46. (12). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 6884-6894.

Supriya, S., Kumar, S., Kar, M.(2017). Impedance and DC resistivity studies on chromium substituted cobalt ferrite . Journal of Materials Science: Materials in Electronics. 28. (14). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 10652-10673.

Kumar, S., Supriya, S., Kar, M.(2017). Multiple electrical phase transitions in Al substituted barium hexaferrite . Journal of Applied Physics. 122. (22).

Supriya, S., Kumar, S., Kar, M.(2016). Correlation between AC and DC transport properties of Mn substituted cobalt ferrite . Journal of Applied Physics. 120. (21).

CONFERENCE PAPER

Manglam, M.K., Rout, S.N., Kumari, S., Kumar, S., Kar, M.(2022). Structural, magnetic and optical properties of (0.45) Ni_0.5Zn_0.5Fe₂O₄ + (0.55) BaFe₁₂O₁₉ composite . Materials Today: Proceedings. 57. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 418-421.

Pandey, R., Pradhan, L.K., Kumar, S., Kar, M.(2018). AC and DC conductivity study on Ca substituted bismuth ferrite . AIP Conference Proceedings. 1953.

Supriya, S., Kumar, S., Kar, M.(2018). Band gap engineering of zinc substituted cobalt ferrite for optoelectronic applications . 2017 IEEE 12th Nanotechnology Materials and Devices Conference, NMDC 2017. 2018-January. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 33-34.

Kumar, S., Supriya, S., Pandey, R., Pradhan, L.K., Kar, M.(2018). Crystal structure and magnetic properties of Cr doped barium hexaferrite . AIP Conference Proceedings. 1942.

Supriya, S., Kumar, S., Pandey, R., Pradhan, L.K., Kar, M.(2018). Ferroelectric like behavior in Cr substituted cobalt ferrite . AIP Conference Proceedings. 1953.

Supriya, S., Kumar, S., Kar, M.(2018). Grain size and grain boundary effect on dielectric behavior of nanocrystalline cobalt ferrite . 2017 IEEE 12th Nanotechnology Materials and Devices Conference, NMDC 2017. 2018-January. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 165-166.

Pradhan, L.K., Pandey, R., Kumar, S., Kar, M.(2018). Lead free Bi_0.5Na_0.5TiO₃ (BNT) and polyvinylidene fluoride (PVDF) based nanocomposite for energy storage applications . AIP Conference Proceedings. 1953.

Kumar, S., Supriya, S., Kar, M.(2018). PVDF, barium hexaferrites and rGO nanocomposite for high energy density capacitor . 2017 IEEE 12th Nanotechnology Materials and Devices Conference, NMDC 2017. 2018-January. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 99-100.

Pradhan, L.K., Pandey, R., Kumar, S., Supriya, S., Kar, M.(2018). Role of lattice distortion on diffuse phase transition temperatures in Bi_0.5Na_0.5TiO₃-BaTiO₃ [BNBTO] solid solutions . AIP Conference Proceedings. 1942.

Kumar, S., Supriya, S., Pradhan, L.K., Pandey, R., Kar, M.(2018). Simultaneous effect of crystal lattice and non magnetic substitution on magnetic properties of barium hexaferrite . AIP Conference Proceedings. 1953.

Pandey, R., Guha, S., Pradhan, L.K., Kumar, S., Supriya, S., Kar, M.(2018). Study of hopping type conduction from AC conductivity in multiferroic composite . AIP Conference Proceedings. 1953.

Supriya, S., Kumar, S., Kar, M.(2017). CFO-Graphene nano composite for High Performance Electrode Material . Materials Today: Proceedings. 4. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 5651-5656.

Kumar, S., Supriya, S., Kar, M.(2017). Effect of Sintering Temperature on Electrical Properties of BHF Ceramics Prepared by Modified Sol-Gel Method . Materials Today: Proceedings. 4. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 5517-5524.

Supriya, S., Kumar, S., Kar, M.(2017). Enhanced dielectric of PVDF-CoFe_1.5Cr_0.5O₄ for capacitor application . AIP Conference Proceedings. 1832.

Kumar, S., Supriya, S., Kumar, P., Kar, M.(2016). Dielectric investigations on co-substituted bismuth ferrite (Bi_1-xLa_xFe_1-xMn_xO₃) . AIP Conference Proceedings. 1728.

Supriya, S., Kumar, S., Kar, M.(2016). Grain size effect on activation energy in spinel CoFe₂O₄ ceramic . AIP Conference Proceedings. 1731.

Supriya, S., Kumar, S., Kar, M.(2016). Impedance spectroscopy studies in cobalt ferrite-reduced graphene oxide nanocomposite . AIP Conference Proceedings. 1728.