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Content available A note on optical materials for photolithography applications
100%
Jain A. , Roszkiewicz A. , Nasalski W.
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2018
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tom nr 3
1--41
EN
Optical lithography or photolithography is well-established optical tool for patterning of substrates, layers or photonic crystals. Therefore, the materials involved in these processes play an important role, especially for the possibility of their further advancements and optimisation. In this review article, we discuss on the role and significance of photoresist materials from various perspectives like their performance in photonic applications and their dependence on various physical and chemical parameters. Further, several emerging now two-dimensional materials like graphene has also been discussed from photonic point of view. We aim to give a short overview of recent developments of such materials in this field.
PL
Fotolitografia jest dobrze znanym procesem pozwalającym na tworzenie wzorów na podłożach, warstwach czy kryształach fotonicznych. W związku z tym materiały wykorzystywane w tym procesie pełnią istotną rolę, zwłaszcza ze względu na dalszy możliwy rozwój dziedziny oraz optymalizację procesu. W tym artykule przeglądowym omawiamy rolę i znaczenie fotorezystu z różnych perspektyw, np. jego wydajność w zastosowaniach fotonicznych czy zależność od różnych parametrów fizycznych i chemicznych. Ponadto, omawiamy wiele powstających obecnie dwuwymiarowych materiałów, jak grafen, z punktu widzenia fotoniki. Naszym celem jest przedstawienie krótkiego przeglądu ostatnich osiągnięć w dziedzinie tego typu materiałów wykorzystywanych w fotolitografii.
2
Content available remote Nonlinear flexural analysis of laminated composite plates
100%
Pandey R. , Shukla K. K. , Jain A.
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2008
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tom Vol. 13, no 3
707-733
EN
The paper presents an analytical-numerical solution of the nonlinear flexural response of the moderately thick laminated co-rectangular plates subjected to mechanical and thermo-mechanical loadings. It also investigates the effects of non-linear elastic supports on flexural response of laminated composite plates. The problem is formulated using higher order shear deformation theory (HSDT) and von Karman's nonlinearity. The governing nonlinear coupled partial differential equations are linearized utilizing quadratic extrapolation technique. The spatial descretisation of the linear differential equations is carried out using the fast converging finite double Chebyshev series. Numerical results depicting the central displacements and moments of laminated composite plates for different boundary conditions are presented. Effects of plate geometry, elastic foundation parameters, and temperature dependent mechanical and thermal properties of material on the flexural response are presented.
3
Content available remote Changes of structural, optical and electrical properties of sol-gel derived ZnO films with their thickness
100%
Jain A. , Sagar P. , Mehra R. M.
Materials Science Poland
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2007
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tom Vol. 25, No. 1
233--242
EN
Zinc oxide (ZnO) films having thickness in the range from 15 nm to 208 nm have been fabricated by the sol-gel technique by varying number of sequentially deposited layers. The structural, optical and electrical properties of ZnO films were investigated as a function of film thickness. The crystallinity and degree of orientation of the ZnO films were closely related to the film thickness. The textures of the films improved only at an optimum thickness. At lower thicknesses, the roughness of the film became very large and led to the presence of possible voids having porous microstructure. The absorption in UV region depended strongly on sequential layers and increased with the increase of film thickness. Films thinner than ca. 60 nm exhibit morphology and behaviour different from thicker ones. A marked increase in resistivity for thinner films can predominantly be attributed to surface scattering and the decrease in carrier concentration.
4
Content available remote On common fixed point theorems for semi-compatible mappings in Menger space
100%
Singh B. , Jain A. , Lodha B.
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tom Vol. 50, [Z] 2
127-139
EN
In this paper, the concept of semi-compatibility and weak compatibility in Menger space has been applied to prove a common fixed point theorem for six self maps. Our result generalizes and extends the result of Pathak and Verma [6].
5
Underlying mechanism of plant–microbe crosstalk in shaping microbial ecology of the rhizosphere
100%
Jain A. , Chakraborty J. , Das S.
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tom 42
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nr 01
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