Search Results - "Menon, Ranjini"

Ar irradiated Cr rich Ni alloy studied using positron annihilation spectroscopy by Saini, Sanjay, Menon, Ranjini, Sharma, S.K., Srivastava, A.P., Mukherjee, S., Nabhiraj, P.Y., Pujari, P.K., Srivastava, D., Dey, G.K.

“…The present study focuses on understanding the effect of Ar ion irradiation at room temperature on Cr rich Ni-Cr alloy. The alloy is irradiated with Ar9+ ions…”
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Characterization of compact ICP ion source for focused ion beam applications by Nabhiraj, P.Y., Menon, Ranjini, Mohan Rao, G., Mohan, S., Bhandari, R.K.

“…A compact, high brightness 13.56 MHz inductively coupled plasma ion source without any axial or radial multicusp magnetic fields is designed for the production…”
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Surface modification of titania aerogel films by oxygen plasma treatment for enhanced dye adsorption by Alwin, S., Sahaya Shajan, X., Menon, Ranjini, Nabhiraj, P.Y., Warrier, K.G.K., Mohan Rao, G.

“…Titania aerogels were synthesized by sol–gel route followed by ambient pressure subcritical drying technique. The aerogels synthesized in the present work…”
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Plasma treated TiO2 aerogel nanostructures as photoanode material and its influence on the performance of quasi-solid dye-sensitized solar cells by S., Alwin, X., Sahaya Shajan, Menon, Ranjini, P.Y., Nabhiraj, P.V., Ananthapadmanabhan

“…[Display omitted] •Effect of plasma treatment on structural, optical properties of titania aerogel is studied.•Plasma treated titania aerogel was employed as…”
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Effect of Ar^sup 9+^ irradiation on Zr-1Nb-1Sn-0.1Fe alloy characterized by Grazing Incidence X-ray diffraction technique by Dutta, Argha, Das, Kalipada, Gayathri, N, Menon, Ranjini, Nabhiraj, PY, Mukherjee, Paramita

“…The microstructural parameters such as domain size and microstrain have been estimated from Grazing Incidence X-ray Diffraction (GIXRD) data for Ar9+…”
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Effect of Ar 9+ irradiation on Zr-1Nb-1Sn-0.1Fe alloy characterized by Grazing Incidence X-ray diffraction technique by Dutta, Argha, Das, Kalipada, Gayathri, N., Menon, Ranjini, Nabhiraj, P.Y., Mukherjee, Paramita

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Effect of Ar9+ irradiation on Zr-1Nb-1Sn-0.1Fe alloy characterized by Grazing Incidence X-ray diffraction technique by Dutta, Argha, Das, Kalipada, Gayathri, N., Menon, Ranjini, Nabhiraj, P.Y., Mukherjee, Paramita

“…The microstructural parameters such as domain size and microstrain have been estimated from Grazing Incidence X-ray Diffraction (GIXRD) data for Ar9+…”
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High speed micro-fabrication using inductively coupled plasma ion source based focused ion beam system by Menon, Ranjini, Nabhiraj, P.Y.

“…A compact inductively coupled plasma ion source based focused ion beam system (ICP-FIB), capable of producing intense FIB of gaseous elements is developed. Ar…”
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Observation of radiation enhanced phase formation and subsequent dissolution at very high doses in Ar9+ ion irradiated Ti-modified stainless steel by Gayathri, N., Das, Kalipada, Mukherjee, P., Menon, Ranjini, Nabhiraj, P.Y.

“…Samples of Ti-modified stainless steel alloy have been irradiated using 315 KeV Ar9+ ion to varying doses resulting in high dpa levels from 100 to 400. The…”
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Development of a compact high current low emittance RF ion source by Menon, Ranjini, Nabhiraj, P.Y.

“…•An ICP ion source with modified plasma chamber is investigated for its performance.•Increased extracted current is observed with small size of plasma…”
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Synchrotron GIXRD and slow positron beam characterisation of Ar ion irradiated pure V and V-4Cr-4Ti alloy: Candidate structural material for Fusion reactor application by Mandal, Sudipta, Sharma, S.K., Gayathri, N., Sudarshan, K., Mukherjee, P., Pujari, P.K., Menon, Ranjini, Nabhiraj, P.Y., Sagdeo, Archna

“…•Pure V and V-4Cr-4Ti irradiated with Ar ion to 0.4, 2.3, 8.4 and 23 dpa.•Depth wise characterisation by Synchrotron GIXRD and Slow positron beam.•Asymmetry in…”
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Novel microporous surface and blue emission of argon ion implanted polyvinylacohol/bionanohydroxyapatite coatings by Karthikeyan, K.R., Arul, K. Thanigai, Ramya, J. Ramana, Nabhiraj, P.Y., Menon, Ranjini, Krishna, J.B.M., Kalkura, S. Narayana

“…PVA/HAp based bionanocomposite coatings (PHAp) are prepared by the microwave-assisted deposition technique. The surface of the coatings is modified using low…”
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Depth-resolved slow positron beam analysis of ECR proton and argon implanted graphite and boron nitride system by Ganguly, Bichitra Nandi, Menon, Ranjini, Yalagoud, Nabhiraj P., Bandyopadhyay, Sujit Kumar, Anwand, Wolfgang, Brauer, Gerhard

“…Layered materials and sp2 hybridized structures like graphite and hexagonal‐boron nitride (h‐BN) have been subjected to electron cyclotron resonance (ECR) ion…”
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Surface stiffening and enhanced photoluminescence of ion implanted cellulose – polyvinyl alcohol – silica composite by Shanthini, G.M., Sakthivel, N., Menon, Ranjini, Nabhiraj, P.Y., Gómez-Tejedor, J.A., Meseguer-Dueñas, J.M., Gómez Ribelles, J.L., Krishna, J.B.M., Kalkura, S. Narayana

“…•Synthesis of a novel composite of cotton cellulose, PVA and mesoporous silica.•Rarely utilized low energy ion implantation was employed in enhancing the…”
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Influence of low-energy Argon ions on thermal and surface properties of polycarbonate films by Raveesha, P. M., Nabhiraj, P. Y., Menon, Ranjini, Praveena, S. D., Sanjeev, Ganesh

“…Low-energy Argon ions from electron cyclotron resonance ion source were bombarded on polycarbonate films. The interaction of ions with the surface of the…”
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Improvements in the angular current density of inductively coupled plasma ion source for focused heavy ion beams by Menon, Ranjini, Nabhiraj, P.Y., Bhandari, R.K.

“…A compact inductively coupled plasma ion source (ICPIS) is developed for producing high current micron size beams for high speed micromachining applications…”
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Optimization of ion energy spread in inductively coupled plasma source designed for focused ion beam applications by Nabhiraj, P.Y., Menon, Ranjini, Mohan Rao, G., Mohan, S., Bhandari, R.K.

“…The ion energy distribution of inductively coupled plasma ion source for focused ion beam application is measured using a four grid retarding field energy…”
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Ion implantation induced phase transformation and enhanced crystallinity of as deposited copper oxide thin films by pulsed laser deposition by Bind, Umesh Chandra, Dutta, Raj Kumar, Sekhon, Gurpreet Kaur, Yadav, Kanhaiya Lal, Krishna, J.B.M., Menon, Ranjini, Nabhiraj, P.Y.

“…•Thin films of copper oxide deposited by pulsed laser deposition at 350°C.•Amorphous copper oxide transformed to crystalline Cu2O phase by low energy ion…”
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Micro fabrication by low energy ion beam from plasma based ion sources by Nabhiraj, P Y, Menon, R, Rao, G M, Mohan, S, Bhandari, R K

“…An inductively coupled plasma ion source based micro machining system is being developed. The system parameters, in which mainly the source parameters like…”
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Multimodal approach in the therapy of stage III female breast cancers by Shanta, V, Krishnamurthi, S, Sastry, D V, Menon, R

“…One thousand thirty-seven female breast cancers were treated at the Cancer Institute (WIA), Madras, between 1965 and 1978. Five hundred twenty-one of them (ie,…”
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