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Article
Energy dependence of near-relativistic electron spectrum at geostationary orbit during the SEP events of 2005
In view of the renewed interest in the study of energetic particles in the outer radiation belt of the earth, we feel it will be helpful in looking for the energy dependence of the electron energy spectrum at ...
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Article
Relationship between interplanetary (IP) parameters and geomagnetic indices during IP shock events of 2005
In the present study, we investigate the possible relationship of IP parameters of solar wind and interplanetary magnetic field with ground-based geomagnetic indices. To carry out the study, we take all the IP...
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Article
Surface characterization of (111) and (100) textured diamond coatings deposited to silicon
The use of diamond for infrared (IR) transmitting applications is of paramount importance to the defense industries. Diamond-coated IR transmitting materials are used on smart weapons and aircraft that use sub...
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Article
Growth of (100) oriented diamond grains by the application of lateral temperature gradients across silicon substrates
Polycrystalline diamond films with a predominant (100) texture were deposited onto silicon substrates using hot-filament chemical vapor deposition. During film deposition, different temperature gradients were ...
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Article
Diamond deposition on Ni/Ni-diamond coated stainless steel substrate
Electrodeposited Ni and Ni-diamond composite layers were used as diffusion barriers for Fe to facilitate the diamond growth on stainless steel substrates. Raman spectroscopy and scanning electron microscopy sh...
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Article
Crystal field excitations in electron superconductors
We have measured the complete crystalline electric field (CEF) spectrum of Nd3+ in superconducting Nd1·85Ce0·15CuO4 and Nd2CuO3·7F0·3, and in the non-superconducting parent compound, Nd2CuO4, by neutron inelastic...
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Article
Use of Nd: YAG laser forin situ growth of thin films of Y1Ba2Cu3O7−δ
As-deposited superconducting films of Y1Ba2Cu3O7−δ with zero resistance at a temperature of ⋍ 80 K have been successfully grown using a Nd:YAG laser. A substrate temperature in the range 450–550°C was found most ...
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Article
Characterization of enterotoxin produced by four Yersinia enterocolitica strains of pig origin
All four isolates of Yersinia enterocolitica and one isolate of Y. frederiksenii from pigs were found to be enterotoxigenic. Whole-cell preparations of Y. enterocolitica isolates did not induce any change in the ...
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Article
Studies on bacteriological quality of nainital lake water in different seasons
The total coliform and E. coli load of Nainital lake water in different seasons has been studied. The variation of these organisms with season, rainfall and human activities in the catchment area were observed.
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Article
Characterization of a-Si:H thin films prepared by dc glow discharge of silane
A dc glow discharge apparatus for preparing amorphous silicon films from silane gas is described. The films are characterized by electron microscopy, infrared spectroscopy, electrical conductivity and photocon...