Search Results - "Ghatak, J."

Atomic Layer Deposition of p‑Type Epitaxial Thin Films of Undoped and N‑Doped Anatase TiO2 by Vasu, K, Sreedhara, M. B, Ghatak, J, Rao, C. N. R

“…Employing atomic layer deposition, we have grown p-type epitaxial undoped and N-doped anatase TiO2(001) thin films on c-axis Al2O3 substrate. From X-ray…”
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Atomic Layer Deposition of Ultrathin Crystalline Epitaxial Films of V2O5 by Sreedhara, M. B, Ghatak, J, Bharath, B, Rao, C. N. R

“…Ultrathin epitaxial films (10–90 nm thick) of V2O5 have been grown on c-Al2O3 by atomic layer deposition using vanadyl acetylacetonate as the vanadium…”
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Atomic Layer Deposition of Ultrathin Crystalline Epitaxial Films of V 2 O 5 by Sreedhara, M B, Ghatak, J, Bharath, B, Rao, C N R

“…Ultrathin epitaxial films (10-90 nm thick) of V O have been grown on c-Al O by atomic layer deposition using vanadyl acetylacetonate as the vanadium precursor…”
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Porous Gold Nanospheres by Controlled Transmetalation Reaction: A Novel Material for Application in Cell Imaging by Shukla, Sourabh, Priscilla, Anie, Banerjee, Meenal, Bhonde, Ramesh R, Ghatak, J, Satyam, P. V, Sastry, Murali

“…Hollow shell nanostructures have numerous potential applications due to their interesting optical and electronic properties, which can be tuned by varying…”
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Ion irradiation induced evolution of nanostructure in a graded multi-trilayer system by Roy, Sumalay, Ghatak, J., Dev, B.N.

“…► Ion irradiation induced modifications in Pt/Ni/C multi-trilayers. ► Analysis by X-ray reflectivity, X-ray standing wave and transmission electron microscopy…”
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Nano tracks in fullerene film by dense electronic excitations by Kumar, P., Avasthi, D.K., Ghatak, J., Satyam, P.V., Prakash, R., Kumar, A.

“…•Observation of nano track in C60 thin film irradiated with 30MeV C60 cluster beam by HRTEM.•Average track diameter is around 20nm in C60 thin films by 30MeV…”
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Interfacial deposition of Ag on Au seeds leading to AucoreAgshell in organic media by PRATHAP CHANDRAN, S, GHATAK, J, SATYAM, P. V, SASTRY, Murali

“…A seed mediated procedure for the synthesis of hydrophobic Au(core)Ag(shell) nanoparticles in toluene is demonstrated. The reaction proceeds by way of the…”
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Medium energy Ar+-ion induced ripple formation: Role of ion energy in pattern formation by Garg, S.K., Datta, D.P., Ghatak, J., Tripathy, S.R., Kanjilal, D., Som, T.

“…•Microstructure of 60keV Ar+-ion bombarded ripple patterned silicon surfaces, as revealed by cross-sectional transmission electron microscopy and Raman…”
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Structural and magnetic characterization of mixed valence Co(II, III)xZn1−xO epitaxial thin films by Negi, D.S., Loukya, B., Dileep, K., Sahu, R., Shetty, S., Kumar, N., Ghatak, J., Pachauri, N., Gupta, A., Datta, R.

“…In this article, we report on the Co atom incorporation, secondary phase formation and composition-dependent magnetic and optical properties of mixed valence…”
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Growth of epitaxially oriented Ag nanoislands on air-oxidized Si(111)-(7×7) surfaces: Influence of short-range order on the substrate by Roy, Anupam, Bhattacharjee, K., Ghatak, J., Dev, B.N.

“…► A short-range order is observed on an oxidized Si(111)-(7×7) surface. ► The order is revealed by taking FFT of STM images. ► Ag deposition on this oxidized…”
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Observation of a universal aggregation mechanism and a possible phase transition in Au sputtered by swift heavy ions by Kuiri, P K, Joseph, B, Lenka, H P, Sahu, G, Ghatak, J, Kanjilal, D, Mahapatra, D P

“…Two exponents delta for the size distribution of n-atom clusters, Y(n) approximately n{-delta}, have been found in Au clusters sputtered from embedded Au…”
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The effects of 2 MeV Ag ion irradiation on multiwalled carbon nanotubes by Mathew, S., Bhatta, U.M., Ghatak, J., Sekhar, B.R., Dev, B.N.

“…Multiwalled carbon nanotubes were irradiated using 2 MeV Ag 2+ ions with fluences 1 × 10 15 and 1 × 10 16 ions/cm 2. The samples were characterized by…”
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MeV Au ion induced modifications at Co/Si interface by Ghatak, J., Kabiraj, D., Satyam, P.V.

“…We report on room temperature MeV Au ion induced modifications at the Co/Si interfaces. Nanometers size thin film of Co and Si were grown by ultra high vacuum…”
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The effects of 2MeV Ag ion irradiation on multiwalled carbon nanotubes by Mathew, S., Bhatta, U.M., Ghatak, J., Sekhar, B.R., Dev, B.N.

“…Multiwalled carbon nanotubes were irradiated using 2MeV Ag2+ ions with fluences 1X1015 and 1X1016ions/cm2. The samples were characterized by transmission…”
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Synchrotron X-ray induced damage in polymer (PS) thin films by Bhatta, Umananda M., Ghatak, J., Mukhopadhyay, M., Wang, Jin, Narayanan, Suresh, Satyam, P.V.

“…Thin polystyrene (PS) films ( M w = 234,000) are spin coated on silicon substrates with a Chromium (Cr) layer as a sandwiched metallic layer that produces…”
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Gd-doped SnO2 nanoparticles: Structure and magnetism by ADHIKARI, R, DAS, A. K, KARMAKAR, D, GHATAK, J

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Energy dependent sputtering of nanoclusters from a nanodisperse target by Satpati, B., Ghatak, J., Joseph, B., Som, T., Kabiraj, D., Dev, B.N., Satyam, P.V.

“…Au nanoparticles, prepared by thermal evaporation under high vacuum condition on Si substrate, are irradiated with Au ions at different ion energies. During…”
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Effect of 100MeV Au irradiation on embedded Au nanoclusters in silica glass by Joseph, B., Ghatak, J., Lenka, H.P., Kuiri, P.K., Sahu, G., Mishra, N.C., Mahapatra, D.P.

“…Embedded Au nanoclusters (NCs) in silica glass were formed by ion beam synthesis using 32keV Au− implantation to a fluence of 4×1016ionscm−2. Subsequently the…”
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MeV ion-induced strain at nanoisland-semiconductor surface and interfaces by Ghatak, J., Satpati, B., Umananda, M., Satyam, P.V., Akimoto, K., Ito, K., Emoto, T.

“…Strain at surfaces and interfaces play an important role in the optical and electronic properties of materials. MeV ion-induced strain determination in single…”
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Characterization of ion beam induced nanostructures by Ghatak, J., Satpati, B., Umananda, M., Kabiraj, D., Som, T., Dev, B.N., Akimoto, K., Ito, K., Emoto, T., Satyam, P.V.

“…Tailoring of nanostructures with energetic ion beams has become an active area of research leading to the fundamental understanding of ion–solid interactions…”
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