Parasharam M. Shirage

Indian Institute of Technology Indore

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Akira Iyo

National Institute of Advanced Industrial Science and Technology

118

Hiroshi Eisaki

National Institute of Advanced Industrial Science and Technology

T. Ito

National Institute of Advanced Industrial Science and Technology

Y. Tanaka

National Institute of Advanced Industrial Science and Technology

Kunihiro Kihou

National Institute of Advanced Industrial Science and Technology

Somaditya Sen

Indian Institute of Technology Indore

Hidekazu Mukuda

Osaka University

Kiichi Miyazawa

Tokyo University of Science

Abhishek Srivastava

Materials Research Group (United States)

Archana Kanwade

Indian Institute of Technology Indore

Cooperative Institutions

Indian Institute of Technology Indore

The University of Tokyo

National Institute of Advanced Industrial Science and Technology

Osaka University

Japan Science and Technology Agency

Devi Ahilya Vishwavidyalaya

Tokyo University of Science

Shivaji University

Hiroshima University

Suzuki (Japan)

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Insights and perspectives on graphene-PVDF based nanocomposite materials for harvesting mechanical energy

Journal of Alloys and Compounds (2022)

Manojit Pusty Parasharam M. Shirage

Nanogenerator

Polyvinylidene fluoride

Poling

Polymer nanocomposite

Characterization

10.1016/j.jallcom.2022.164060

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Citations (73)

Unveiling the physicochemical and electrochemical features of sodium deficient-Na0.8Fe(SO4)2 as cathode for sodium-ion batteries

Next research. (2025)

Jena Akash Kumar Satrughna Archana R. Kanwade Shraddha M. Rajore Manish Kumar Tiwari Yuta Ito

10.1016/j.nexres.2025.100210

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Superconductivity at 43 K at ambient pressure in the iron-based layered compoundLa1−xYxFeAsOy

Physical Review B (2008)

Parasharam M. Shirage Kiichi Miyazawa T. Ito Hiroshi Eisaki Akira Iyo

Effect of Y substitution on the La-based iron oxypnictide superconductor ${\text{LaFeAsO}}_{0.6}$ is studied. Replacement of ${\text{La}}^{3+}$ $(1.16\text{ }\text{\AA{}})$ by smaller ${\text{Y}}^{3+}$ $(1.019\text{ }\text{\AA{}})$ in a form of ${\text{La}}_{1\ensuremath{-}x}{\text{Y}}_{x}{\text{FeAsO}}_{0.6}$ results in the decrease in lattice parameters, which likely causes pressure effect into the system. Superconducting transition temperature $({T}_{c})$ increases monotonically with $x$, eventually up to 43.1 K for $x=0.5$. This ${T}_{c}$ is comparable to the highest ${T}_{c}$ reported for Y-free F-doped ${\text{LaFeAsO}}_{1\ensuremath{-}x}{\text{F}}_{x}$ under high pressure. The present results provide an alternative and much simpler way to achieve higher ${T}_{c}$ in the La-based oxypnictide superconductors.

Transition temperature

Lattice (music)

10.1103/physrevb.78.172503

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Citations (48)

A review on synergy of transition metal oxide nanostructured materials: Effective and coherent choice for supercapacitor electrodes

Journal of Energy Storage (2022)

Lichchhavi Archana Kanwade Parasharam M. Shirage

10.1016/j.est.2022.105692

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Citations (121)

Delving into judiciously extracted inexpensive micro-algal dyes for DSSCs: Spectral decipherment and time-oriented extraction systems

Sustainable Energy Technologies and Assessments (2024)

Rahul Chauhan Parasharam M. Shirage Kiran Bala

Sonication

Scenedesmus

10.1016/j.seta.2024.103746

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Vortex melting line and anisotropy of a Ba₂Ca₃Cu₄O₈(O_1−yF_y)₂multilayered superconductor

Superconductor Science and Technology (2008)

D. D. Shivagan Parasharam M. Shirage A. Crisan Y. Tanaka Akira Iyo

We have measured the vortex melting lines of high-pressure-synthesized Ba2Ca3Cu4O8(O1−yFy)2 (nominal composition, 2y = 1.3, 1.6 and 2.0) F(2y)-0234 multilayered high-Tc superconductor using fundamental and third harmonic susceptibility responses carried out on preferentially oriented crystallites with very low ac field amplitude (5 µT) and in applied dc fields up to 6 T. The vortex melting lines of all three F-substituted samples show interesting doping dependence and are very well described by the commonly accepted theory of melting lines. Interestingly, we discovered that the models describing the temperature dependence of the in-plane London penetration depth also depend on the doping level: the 3D XY model for the nearly-optimum-doped sample [F(1.3)], the mean-field theory for the under-doped sample [F(1.6)] and the two-fluid model for the heavily-under-doped sample [F(2.0)]. We found that the vortex melting lines in F-0234 are determined by the interplay in the coupling of pancake vortices through the charge reservoir layer (CRL), and through the block of inner CuO2 planes (IPs), respectively. The anisotropy values (47 for the near-optimally-doped sample) derived from experimental vortex melting lines are consistent with the values obtained by first-principles electronic-band-structure calculations.

Line (geometry)

10.1088/0953-2048/21/9/095002

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Citations (3)

Natural dyes for dye-sensitized solar cells (DSSCs): An overview of extraction, characterization and performance

Nano-Structures & Nano-Objects (2024)

Ujjwal Mukund Mahajan Kamal Prajapat Mahesh Dhonde Kirti Sahu Parasharam M. Shirage

Characterization

10.1016/j.nanoso.2024.101111

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Citations (17)

High-T_cSuperconductivity withT_c= 52 K under Antiferromagnetic Order in Five-Layered Cuprate Ba₂Ca₄Cu₅O₁₀(F,O)₂withT_N= 175 K:¹⁹F- and Cu-NMR Studies

Journal of the Physical Society of Japan (2011)

Sunao Shimizu Shin-ichiro Tabata Hidekazu Mukuda Yoshio Kitaoka Parasharam M. Shirage

We report on the observation of high-T_c superconductivity (SC) emerging with the background of an antiferromagnetic (AFM) order in the five-layered cuprate Ba_2Ca_4Cu_5O_10(F,O)_2 through 19F-NMR and zero-field Cu-NMR studies. The measurements of spectrum and nuclear spin-lattice relaxation rates 19(1/T_1) of 19F-NMR give convincing evidence for the AFM order taking place below T_N = 175 K and for the onset of SC below T_c = 52 K, hence both coexisting. The zero-field Cu-NMR study has revealed that AFM moments at Cu sites are 0.14 mu_B at outer CuO_2 layers and 0.20 mu_B at inner ones. We remark that an intimate coupling exists between the AFM state and the SC order parameter below T_c = 52 K; the spin alignment in the AFM state is presumably changed in the SC-AFM mixed state.

10.1143/jpsj.80.043706

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Citations (22)

Facile preparation of hexagonal WO3 nanopillars and its reduced graphene oxide nanocomposites for high-performance supercapacitor

Journal of Energy Storage (2022)

Prateek Bhojane Parasharam M. Shirage

Nanopillar

10.1016/j.est.2022.105649

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Citations (26)

CCDC 1901705: Experimental Crystal Structure Determination

The Cambridge Structural Database (2021)

Dibya Yadav Rahul Kumar Singh Suryabhan Singh Parasharam M. Shirage Amrendra K. Singh

10.5517/ccdc.csd.cc21twb3

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