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3 publications

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    New Generation Nanocrystalline Silicon Carbide for Implants and Prostheses

    By Nikesh A. Shah, Kacha Pinank, K. N. Rathod, Chirag Savaliya, Davit Dhruv, D. D. Pandya, J. H. Markna, N. A. Shah

    Abstract: Nanocrystalline silicon carbide (SiC) is an aspirant material for artificial heart valves primarily due to its low weight, high strength, acute hardness, wear resistance, inertness (SiC does not react with biological fluids), and deterioration resistance. Oxide ceramic materials such as alumina (Al2O3) and zirconia (ZrO2) are often used for medical applications like implants and prostheses because of their terrific biocompatibility and high wear resistance. Unfortunately, oxide ceramics cannot be used …

    Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 5, Issue 3, 2015 · pp. 11–18 Read article

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    Study on Dielectric Properties of Nanostructured Composite of ZnO-La0.45Pr0.25Sr0.3MnO3 Bulk Ceramic

    By J.H Markna, Davit Dhruv, R. V. Ramani, Sanjay Kansara, Dhiren Pandeya, N.A Shah

    Abstract: In this study, nanostructured bulk composites of ZnO-La0.45Pr0.25Sr0.3MnO3 (LPSMO) were studied. These nanostructured composites were prepared by chemical solution technique. Nano particles of ZnO and LPSMO were mixed in weight ratio of 9:1 to prepare nanocomposite ceramic. Compared with pristine ZNO, nanocomposite of ZnO-LPSMO showed enhanced dielectric constant. The spin polarization (in ferromagnetic region) based quantum tunneling effect is used to explain the experimental results. Enhanced dielectric properties in nanocomposite …

    Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 22–25 Read article

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    Effect of Sintering Temperature on Current-Voltage Characteristics of Nanostructured Manganites

    By Zalak Joshi, Davit Dhruv, N. A. Shah

    Abstract: Normal 0 false false false EN-IN X-NONE GU MicrosoftInternetExplorer4 In the present communication, nanostructured Y0.95Ca0.05MnO3 manganites using low cost sol-gel method have been synthesized. Samples were sintered at different temperatures in order to change the particle size of the samples. The crystallite size is found to increase with sintering temperature due to crystal agglomeration effect. To understand the transport properties of the presently studied samples, current-voltage (I-V) characteristics have been …

    Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 1, 2014 · pp. 1–5 Read article

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