Zobrazeno 1 - 10
of 288
pro vyhledávání: '"B.A. Dasannacharya"'
Dynamics of water molecules in Ba(ClO3)2 · H2O has been investigated through high resolution neutron scattering experiments at 6 K in the energy transfer region 5-200 mev. The libration peaks are found to be correlation split, an observation made fo
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Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 199:520-525
This article describes the design of a possible polarised light beamline for magnetic circular dichroism and photoemission experiments on a bending magnet source of 2.5 GeV storage ring, Indus-2. It will have an energy range of 30-4000 eV and will de
Autor:
B.A. Dasannacharya, Shigemasa Suga, S.M. Chaudhari, R.V. Krishnan, Yuichi Saitoh, Shin Imada, Takayuki Muro, A. Banerjee
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 199:308-312
We report magnetic circular dichroism (MCD) studies on the polycrystalline LaMn1−xAlxO3+δ series with x=0–0.2. The Mn-2p MCD was recorded in the temperature range from 45 to 300 K for samples with x=0, 0.075, 0.1 and 0.15. It was seen that unlik
Publikováno v:
Applied Surface Science. 205:309-322
An ion-beam sputtering (IBS) system has been designed and developed for preparing thin films and multilayers of various elements, alloys and compounds. The ion source used is a 3 cm diameter, hot-cathode Kaufman type 1.5 kV ion source. The system has
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 199:406-410
Photoelectron spectroscopy beamline based on a toroidal grating monochromator (TGM) is recently commissioned on Indus-1 storage ring. It has been used to carry out valence band photoemission study of Li substituted NiO. In this paper initially a brie
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 481:615-625
Monte Carlo simulation studies are carried out for beam lines for neutron powder diffraction. Programs are developed for studying the propagation of neutrons starting from reactor end of beam tube and progressing through various optical elements—co
Autor:
Satish Vitta, Ajay Gupta, P. Dubček, S.S. Talwar, N. Prasanth Kumar, S.S. Major, Heinz Amenitsch, Sigrid Bernstorff, V. Ganesan, B.A. Dasannacharya
Publikováno v:
ResearcherID
A combination of grazing incidence X-ray reflection/diffraction (GIXR/GIXD) and atomic force microscopy have been used to study the 3D structure in cadmium arachidate (CdA) and single phase zinc arachidate (ZnA) LB multilayers. The CdA multilayers ha
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 474:55-66
Quasi-elastic neutron scattering is a powerful experimental tool for studying the various dynamical motions in solids and liquids. In this paper, we have described the salient features of the quasi-elastic neutron spectrometer in operation at Dhruva
Autor:
B.A. Dasannacharya, N. P. Lalla, Makoto Seto, Taikan Harami, Makina Yabashi, Prasanna Shah, Ajay Gupta, Seishi Kikuta, Y. Yoda
Publikováno v:
Materials Science and Engineering: A. :731-734
Inelastic nuclear resonance scattering has been used to get partial vibrational density of states (PVDOS) of iron in two classes of systems: (i) quasicrystalline Al 63.5 Cu 24 Fe 12.5 , its rhombohedral approximant and Al 70 Cu 20 Fe 10 crystalline (
Autor:
B.A. Dasannacharya, V. Ganesan, S.M. Chaudhari, Mukul Gupta, Ajay Gupta, Deodatta M. Phase, T. Shripathi, M.V. Rama Rao
Publikováno v:
Scopus-Elsevier
An amorphous iron nitride thin film was deposited using reactive ion beam sputtering of iron by a beam of argon and nitrogen ions. Nitrogen content in the film as determined from conversion electron Mossbauer spectroscopy (CEMS) and X-ray photoelectr